./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa --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-hotfix-svcomp22-839c364 [2021-12-06 23:23:40,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:23:40,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:23:40,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:23:40,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:23:40,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:23:40,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:23:40,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:23:40,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:23:40,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:23:40,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:23:40,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:23:40,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:23:40,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:23:40,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:23:40,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:23:40,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:23:40,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:23:40,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:23:40,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:23:40,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:23:40,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:23:40,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:23:40,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:23:40,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:23:40,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:23:40,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:23:40,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:23:40,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:23:40,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:23:40,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:23:40,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:23:40,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:23:40,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:23:40,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:23:40,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:23:40,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:23:40,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:23:40,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:23:40,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:23:40,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:23:40,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:23:40,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:23:40,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:23:40,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:23:40,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:23:40,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:23:40,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:23:40,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:23:40,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:23:40,554 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:23:40,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:23:40,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:23:40,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:23:40,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:23:40,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:23:40,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:23:40,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:23:40,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:23:40,555 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:23:40,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:23:40,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:23:40,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:23:40,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:23:40,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:23:40,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:23:40,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:23:40,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:23:40,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:23:40,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:23:40,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:23:40,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:23:40,556 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:23:40,556 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:23:40,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:23:40,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:23:40,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 [2021-12-06 23:23:40,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:23:40,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:23:40,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:23:40,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:23:40,745 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:23:40,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2021-12-06 23:23:40,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/data/fd713da82/900bd6fe9d674e52be1221a5f24b5b6b/FLAG6ed0d9725 [2021-12-06 23:23:41,301 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:23:41,301 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2021-12-06 23:23:41,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/data/fd713da82/900bd6fe9d674e52be1221a5f24b5b6b/FLAG6ed0d9725 [2021-12-06 23:23:41,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/data/fd713da82/900bd6fe9d674e52be1221a5f24b5b6b [2021-12-06 23:23:41,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:23:41,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:23:41,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:23:41,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:23:41,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:23:41,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:23:41" (1/1) ... [2021-12-06 23:23:41,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30fe09b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:41, skipping insertion in model container [2021-12-06 23:23:41,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:23:41" (1/1) ... [2021-12-06 23:23:41,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:23:41,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:23:42,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i[76081,76094] [2021-12-06 23:23:42,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:23:42,378 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:23:42,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i[76081,76094] [2021-12-06 23:23:42,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:23:42,500 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:23:42,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42 WrapperNode [2021-12-06 23:23:42,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:23:42,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:23:42,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:23:42,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:23:42,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (1/1) ... [2021-12-06 23:23:42,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (1/1) ... [2021-12-06 23:23:42,551 INFO L137 Inliner]: procedures = 486, calls = 44, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 209 [2021-12-06 23:23:42,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:23:42,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:23:42,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:23:42,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:23:42,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (1/1) ... [2021-12-06 23:23:42,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (1/1) ... [2021-12-06 23:23:42,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (1/1) ... [2021-12-06 23:23:42,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (1/1) ... [2021-12-06 23:23:42,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (1/1) ... [2021-12-06 23:23:42,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (1/1) ... [2021-12-06 23:23:42,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (1/1) ... [2021-12-06 23:23:42,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:23:42,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:23:42,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:23:42,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:23:42,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (1/1) ... [2021-12-06 23:23:42,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:23:42,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:23:42,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:23:42,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:23:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2021-12-06 23:23:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2021-12-06 23:23:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:23:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:23:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2021-12-06 23:23:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2021-12-06 23:23:42,646 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 23:23:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:23:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:23:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:23:42,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:23:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:23:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:23:42,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:23:42,649 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 23:23:42,839 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:23:42,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:23:43,049 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:23:43,058 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:23:43,058 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 23:23:43,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:23:43 BoogieIcfgContainer [2021-12-06 23:23:43,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:23:43,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:23:43,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:23:43,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:23:43,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:23:41" (1/3) ... [2021-12-06 23:23:43,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab3caa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:23:43, skipping insertion in model container [2021-12-06 23:23:43,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:23:42" (2/3) ... [2021-12-06 23:23:43,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab3caa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:23:43, skipping insertion in model container [2021-12-06 23:23:43,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:23:43" (3/3) ... [2021-12-06 23:23:43,069 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2021-12-06 23:23:43,075 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 23:23:43,075 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:23:43,075 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-12-06 23:23:43,075 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 23:23:43,111 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,111 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,111 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,111 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,112 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,112 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,112 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,112 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,113 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,113 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,113 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,113 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,113 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,113 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,114 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,114 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,114 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,114 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,114 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,115 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,115 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,115 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,115 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,115 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,116 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,116 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,116 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,116 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,116 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,116 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,117 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,117 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,117 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,117 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,117 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,118 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,118 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,118 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,118 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,119 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,119 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,119 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,119 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,119 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,120 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,120 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,120 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,120 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,120 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,120 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,120 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,121 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,121 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,121 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,123 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,124 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,124 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,124 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,124 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,124 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,125 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,125 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,125 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,125 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,125 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,125 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,125 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,126 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,126 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,126 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,126 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,126 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,126 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,127 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,127 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,127 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,127 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,127 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,127 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,127 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,128 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,128 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,128 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,128 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,128 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,128 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,129 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,129 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,129 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,129 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,129 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,129 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,129 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,130 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,130 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,130 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,130 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,130 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,130 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,130 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,131 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,131 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,131 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,131 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,131 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,131 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,132 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,132 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,132 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,132 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,132 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,132 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,132 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,133 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,133 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,133 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,133 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,133 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,133 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,133 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,134 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,134 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,134 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,134 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,134 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,134 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,134 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,134 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,135 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,135 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,135 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,135 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,135 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,135 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,135 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,136 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,136 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,136 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,136 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,136 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,136 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,137 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,137 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,137 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,137 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,138 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,138 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,138 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,138 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,138 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,138 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,138 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,138 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,139 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,139 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,139 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,139 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,139 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,139 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,140 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,140 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,140 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,140 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,140 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,140 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,140 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,141 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,141 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,141 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,141 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,141 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,141 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,141 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,142 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,142 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,142 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,142 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,142 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,142 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,143 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,143 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,143 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,143 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,143 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,143 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,144 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,144 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,144 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,144 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,144 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,144 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,144 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,145 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,145 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,145 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,145 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,145 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,145 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,145 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,146 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,146 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,146 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,146 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,146 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,146 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,146 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,147 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,147 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,147 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,147 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,147 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,147 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,147 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,148 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,148 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,148 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,148 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,148 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,148 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,148 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,149 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,149 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,149 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,149 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,149 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,149 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,149 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,150 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,150 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,150 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,150 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,150 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,150 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,151 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,151 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,151 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,151 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,151 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,151 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,151 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,151 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,154 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,155 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,155 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,155 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,155 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,155 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,155 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,156 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,156 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,156 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,156 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,156 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,156 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,156 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,156 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,157 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,157 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,157 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,157 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,157 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,157 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,157 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,160 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,161 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,161 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,161 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,161 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,161 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,161 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,162 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,162 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,163 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,163 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,163 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,163 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,163 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,163 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,167 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,168 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,168 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:23:43,172 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-12-06 23:23:43,216 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:23:43,221 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 [2021-12-06 23:23:43,221 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-12-06 23:23:43,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 353 transitions, 736 flow [2021-12-06 23:23:43,300 INFO L129 PetriNetUnfolder]: 35/363 cut-off events. [2021-12-06 23:23:43,300 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-06 23:23:43,305 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. [2021-12-06 23:23:43,305 INFO L82 GeneralOperation]: Start removeDead. Operand has 321 places, 353 transitions, 736 flow [2021-12-06 23:23:43,311 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 222 places, 238 transitions, 493 flow [2021-12-06 23:23:43,316 INFO L129 PetriNetUnfolder]: 1/41 cut-off events. [2021-12-06 23:23:43,316 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:23:43,316 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:23:43,316 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] [2021-12-06 23:23:43,317 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)] === [2021-12-06 23:23:43,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:23:43,321 INFO L85 PathProgramCache]: Analyzing trace with hash -380157774, now seen corresponding path program 1 times [2021-12-06 23:23:43,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:23:43,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984354614] [2021-12-06 23:23:43,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:23:43,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:23:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:23:43,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:23:43,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:23:43,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984354614] [2021-12-06 23:23:43,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984354614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:23:43,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:23:43,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:23:43,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661297318] [2021-12-06 23:23:43,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:23:43,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:23:43,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:23:43,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:23:43,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:23:43,624 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-06 23:23:43,629 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) [2021-12-06 23:23:43,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:23:43,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-06 23:23:43,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:23:43,781 INFO L129 PetriNetUnfolder]: 81/713 cut-off events. [2021-12-06 23:23:43,781 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-12-06 23:23:43,785 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. [2021-12-06 23:23:43,788 INFO L132 encePairwiseOnDemand]: 331/353 looper letters, 26 selfloop transitions, 12 changer transitions 0/228 dead transitions. [2021-12-06 23:23:43,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 228 transitions, 552 flow [2021-12-06 23:23:43,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:23:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 23:23:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2060 transitions. [2021-12-06 23:23:43,807 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8336705787130716 [2021-12-06 23:23:43,807 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2060 transitions. [2021-12-06 23:23:43,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2060 transitions. [2021-12-06 23:23:43,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:23:43,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2060 transitions. [2021-12-06 23:23:43,820 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) [2021-12-06 23:23:43,830 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) [2021-12-06 23:23:43,832 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) [2021-12-06 23:23:43,833 INFO L186 Difference]: Start difference. First operand has 222 places, 238 transitions, 493 flow. Second operand 7 states and 2060 transitions. [2021-12-06 23:23:43,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 228 transitions, 552 flow [2021-12-06 23:23:43,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 228 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:23:43,842 INFO L242 Difference]: Finished difference. Result has 219 places, 223 transitions, 494 flow [2021-12-06 23:23:43,844 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} [2021-12-06 23:23:43,847 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, -3 predicate places. [2021-12-06 23:23:43,847 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 223 transitions, 494 flow [2021-12-06 23:23:43,848 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) [2021-12-06 23:23:43,848 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:23:43,848 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] [2021-12-06 23:23:43,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:23:43,849 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)] === [2021-12-06 23:23:43,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:23:43,849 INFO L85 PathProgramCache]: Analyzing trace with hash -511146899, now seen corresponding path program 1 times [2021-12-06 23:23:43,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:23:43,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574547947] [2021-12-06 23:23:43,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:23:43,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:23:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:23:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:23:43,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:23:43,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574547947] [2021-12-06 23:23:43,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574547947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:23:43,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:23:43,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:23:43,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253923978] [2021-12-06 23:23:43,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:23:43,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:23:43,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:23:43,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:23:43,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:23:43,952 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-06 23:23:43,954 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) [2021-12-06 23:23:43,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:23:43,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-06 23:23:43,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:23:44,108 INFO L129 PetriNetUnfolder]: 82/736 cut-off events. [2021-12-06 23:23:44,108 INFO L130 PetriNetUnfolder]: For 61/67 co-relation queries the response was YES. [2021-12-06 23:23:44,111 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. [2021-12-06 23:23:44,114 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 27 selfloop transitions, 3 changer transitions 7/223 dead transitions. [2021-12-06 23:23:44,114 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 223 transitions, 564 flow [2021-12-06 23:23:44,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:23:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:23:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1748 transitions. [2021-12-06 23:23:44,119 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8253068932955618 [2021-12-06 23:23:44,119 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1748 transitions. [2021-12-06 23:23:44,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1748 transitions. [2021-12-06 23:23:44,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:23:44,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1748 transitions. [2021-12-06 23:23:44,124 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) [2021-12-06 23:23:44,128 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) [2021-12-06 23:23:44,130 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) [2021-12-06 23:23:44,130 INFO L186 Difference]: Start difference. First operand has 219 places, 223 transitions, 494 flow. Second operand 6 states and 1748 transitions. [2021-12-06 23:23:44,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 223 transitions, 564 flow [2021-12-06 23:23:44,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 223 transitions, 545 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:23:44,135 INFO L242 Difference]: Finished difference. Result has 217 places, 214 transitions, 461 flow [2021-12-06 23:23:44,136 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} [2021-12-06 23:23:44,136 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, -5 predicate places. [2021-12-06 23:23:44,136 INFO L470 AbstractCegarLoop]: Abstraction has has 217 places, 214 transitions, 461 flow [2021-12-06 23:23:44,137 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) [2021-12-06 23:23:44,137 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:23:44,138 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] [2021-12-06 23:23:44,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:23:44,138 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)] === [2021-12-06 23:23:44,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:23:44,138 INFO L85 PathProgramCache]: Analyzing trace with hash 53045618, now seen corresponding path program 1 times [2021-12-06 23:23:44,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:23:44,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481266550] [2021-12-06 23:23:44,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:23:44,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:23:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:23:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:23:44,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:23:44,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481266550] [2021-12-06 23:23:44,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481266550] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:23:44,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:23:44,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:23:44,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096007050] [2021-12-06 23:23:44,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:23:44,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:23:44,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:23:44,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:23:44,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:23:44,252 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-06 23:23:44,255 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) [2021-12-06 23:23:44,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:23:44,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-06 23:23:44,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:23:44,468 INFO L129 PetriNetUnfolder]: 147/1088 cut-off events. [2021-12-06 23:23:44,468 INFO L130 PetriNetUnfolder]: For 82/94 co-relation queries the response was YES. [2021-12-06 23:23:44,472 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. [2021-12-06 23:23:44,477 INFO L132 encePairwiseOnDemand]: 341/353 looper letters, 49 selfloop transitions, 20 changer transitions 0/250 dead transitions. [2021-12-06 23:23:44,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 250 transitions, 694 flow [2021-12-06 23:23:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:23:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 23:23:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2642 transitions. [2021-12-06 23:23:44,483 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.83160214038401 [2021-12-06 23:23:44,483 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2642 transitions. [2021-12-06 23:23:44,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2642 transitions. [2021-12-06 23:23:44,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:23:44,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2642 transitions. [2021-12-06 23:23:44,491 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) [2021-12-06 23:23:44,497 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) [2021-12-06 23:23:44,500 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) [2021-12-06 23:23:44,500 INFO L186 Difference]: Start difference. First operand has 217 places, 214 transitions, 461 flow. Second operand 9 states and 2642 transitions. [2021-12-06 23:23:44,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 250 transitions, 694 flow [2021-12-06 23:23:44,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 250 transitions, 688 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:23:44,505 INFO L242 Difference]: Finished difference. Result has 220 places, 229 transitions, 602 flow [2021-12-06 23:23:44,505 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} [2021-12-06 23:23:44,506 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, -2 predicate places. [2021-12-06 23:23:44,506 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 229 transitions, 602 flow [2021-12-06 23:23:44,507 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) [2021-12-06 23:23:44,507 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:23:44,507 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] [2021-12-06 23:23:44,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:23:44,508 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)] === [2021-12-06 23:23:44,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:23:44,508 INFO L85 PathProgramCache]: Analyzing trace with hash -308266431, now seen corresponding path program 1 times [2021-12-06 23:23:44,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:23:44,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691945093] [2021-12-06 23:23:44,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:23:44,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:23:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:23:44,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:23:44,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:23:44,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691945093] [2021-12-06 23:23:44,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691945093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:23:44,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:23:44,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:23:44,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721730031] [2021-12-06 23:23:44,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:23:44,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:23:44,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:23:44,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:23:44,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:23:44,587 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 353 [2021-12-06 23:23:44,588 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) [2021-12-06 23:23:44,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:23:44,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 353 [2021-12-06 23:23:44,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:23:45,033 INFO L129 PetriNetUnfolder]: 434/2987 cut-off events. [2021-12-06 23:23:45,034 INFO L130 PetriNetUnfolder]: For 1303/1357 co-relation queries the response was YES. [2021-12-06 23:23:45,048 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. [2021-12-06 23:23:45,061 INFO L132 encePairwiseOnDemand]: 342/353 looper letters, 80 selfloop transitions, 43 changer transitions 0/319 dead transitions. [2021-12-06 23:23:45,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 319 transitions, 1257 flow [2021-12-06 23:23:45,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:23:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 23:23:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2749 transitions. [2021-12-06 23:23:45,067 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8652817123072081 [2021-12-06 23:23:45,067 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2749 transitions. [2021-12-06 23:23:45,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2749 transitions. [2021-12-06 23:23:45,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:23:45,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2749 transitions. [2021-12-06 23:23:45,074 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) [2021-12-06 23:23:45,079 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) [2021-12-06 23:23:45,080 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) [2021-12-06 23:23:45,080 INFO L186 Difference]: Start difference. First operand has 220 places, 229 transitions, 602 flow. Second operand 9 states and 2749 transitions. [2021-12-06 23:23:45,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 319 transitions, 1257 flow [2021-12-06 23:23:45,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 319 transitions, 1233 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-12-06 23:23:45,091 INFO L242 Difference]: Finished difference. Result has 235 places, 265 transitions, 990 flow [2021-12-06 23:23:45,092 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} [2021-12-06 23:23:45,092 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 13 predicate places. [2021-12-06 23:23:45,093 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 265 transitions, 990 flow [2021-12-06 23:23:45,093 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) [2021-12-06 23:23:45,093 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:23:45,093 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] [2021-12-06 23:23:45,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:23:45,094 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)] === [2021-12-06 23:23:45,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:23:45,094 INFO L85 PathProgramCache]: Analyzing trace with hash 472858484, now seen corresponding path program 1 times [2021-12-06 23:23:45,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:23:45,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971638973] [2021-12-06 23:23:45,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:23:45,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:23:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:23:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:23:45,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:23:45,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971638973] [2021-12-06 23:23:45,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971638973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:23:45,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:23:45,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:23:45,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718055787] [2021-12-06 23:23:45,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:23:45,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:23:45,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:23:45,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:23:45,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:23:45,163 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-06 23:23:45,164 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) [2021-12-06 23:23:45,164 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:23:45,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-06 23:23:45,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:23:45,709 INFO L129 PetriNetUnfolder]: 517/3583 cut-off events. [2021-12-06 23:23:45,709 INFO L130 PetriNetUnfolder]: For 4462/4659 co-relation queries the response was YES. [2021-12-06 23:23:45,729 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. [2021-12-06 23:23:45,748 INFO L132 encePairwiseOnDemand]: 338/353 looper letters, 111 selfloop transitions, 46 changer transitions 0/344 dead transitions. [2021-12-06 23:23:45,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 344 transitions, 1979 flow [2021-12-06 23:23:45,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:23:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 23:23:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2652 transitions. [2021-12-06 23:23:45,754 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8347497639282342 [2021-12-06 23:23:45,754 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2652 transitions. [2021-12-06 23:23:45,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2652 transitions. [2021-12-06 23:23:45,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:23:45,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2652 transitions. [2021-12-06 23:23:45,761 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) [2021-12-06 23:23:45,767 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) [2021-12-06 23:23:45,768 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) [2021-12-06 23:23:45,769 INFO L186 Difference]: Start difference. First operand has 235 places, 265 transitions, 990 flow. Second operand 9 states and 2652 transitions. [2021-12-06 23:23:45,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 344 transitions, 1979 flow [2021-12-06 23:23:45,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 344 transitions, 1919 flow, removed 30 selfloop flow, removed 0 redundant places. [2021-12-06 23:23:45,786 INFO L242 Difference]: Finished difference. Result has 249 places, 297 transitions, 1469 flow [2021-12-06 23:23:45,787 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} [2021-12-06 23:23:45,788 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 27 predicate places. [2021-12-06 23:23:45,788 INFO L470 AbstractCegarLoop]: Abstraction has has 249 places, 297 transitions, 1469 flow [2021-12-06 23:23:45,789 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) [2021-12-06 23:23:45,789 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:23:45,789 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] [2021-12-06 23:23:45,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:23:45,789 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)] === [2021-12-06 23:23:45,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:23:45,790 INFO L85 PathProgramCache]: Analyzing trace with hash 2082705149, now seen corresponding path program 1 times [2021-12-06 23:23:45,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:23:45,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882134706] [2021-12-06 23:23:45,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:23:45,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:23:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:23:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:23:45,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:23:45,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882134706] [2021-12-06 23:23:45,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882134706] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:23:45,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:23:45,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:23:45,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490713095] [2021-12-06 23:23:45,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:23:45,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:23:45,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:23:45,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:23:45,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:23:45,895 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-06 23:23:45,896 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) [2021-12-06 23:23:45,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:23:45,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-06 23:23:45,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:23:46,460 INFO L129 PetriNetUnfolder]: 506/3566 cut-off events. [2021-12-06 23:23:46,461 INFO L130 PetriNetUnfolder]: For 5732/5951 co-relation queries the response was YES. [2021-12-06 23:23:46,480 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. [2021-12-06 23:23:46,493 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 94 selfloop transitions, 14 changer transitions 17/329 dead transitions. [2021-12-06 23:23:46,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 329 transitions, 1991 flow [2021-12-06 23:23:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 23:23:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-06 23:23:46,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2334 transitions. [2021-12-06 23:23:46,499 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8264872521246459 [2021-12-06 23:23:46,499 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2334 transitions. [2021-12-06 23:23:46,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2334 transitions. [2021-12-06 23:23:46,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:23:46,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2334 transitions. [2021-12-06 23:23:46,505 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) [2021-12-06 23:23:46,510 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) [2021-12-06 23:23:46,511 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) [2021-12-06 23:23:46,511 INFO L186 Difference]: Start difference. First operand has 249 places, 297 transitions, 1469 flow. Second operand 8 states and 2334 transitions. [2021-12-06 23:23:46,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 329 transitions, 1991 flow [2021-12-06 23:23:46,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 329 transitions, 1851 flow, removed 67 selfloop flow, removed 1 redundant places. [2021-12-06 23:23:46,533 INFO L242 Difference]: Finished difference. Result has 261 places, 302 transitions, 1430 flow [2021-12-06 23:23:46,534 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} [2021-12-06 23:23:46,534 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 39 predicate places. [2021-12-06 23:23:46,534 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 302 transitions, 1430 flow [2021-12-06 23:23:46,535 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) [2021-12-06 23:23:46,535 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:23:46,536 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] [2021-12-06 23:23:46,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:23:46,536 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)] === [2021-12-06 23:23:46,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:23:46,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1028848906, now seen corresponding path program 1 times [2021-12-06 23:23:46,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:23:46,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495814035] [2021-12-06 23:23:46,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:23:46,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:23:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:23:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:23:46,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:23:46,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495814035] [2021-12-06 23:23:46,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495814035] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:23:46,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:23:46,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:23:46,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380710391] [2021-12-06 23:23:46,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:23:46,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:23:46,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:23:46,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:23:46,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:23:46,605 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 353 [2021-12-06 23:23:46,607 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) [2021-12-06 23:23:46,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:23:46,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 353 [2021-12-06 23:23:46,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:23:47,373 INFO L129 PetriNetUnfolder]: 598/5512 cut-off events. [2021-12-06 23:23:47,373 INFO L130 PetriNetUnfolder]: For 6546/6812 co-relation queries the response was YES. [2021-12-06 23:23:47,403 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. [2021-12-06 23:23:47,417 INFO L132 encePairwiseOnDemand]: 346/353 looper letters, 28 selfloop transitions, 9 changer transitions 0/322 dead transitions. [2021-12-06 23:23:47,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 322 transitions, 1557 flow [2021-12-06 23:23:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:23:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 23:23:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2199 transitions. [2021-12-06 23:23:47,421 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8899231080534197 [2021-12-06 23:23:47,421 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2199 transitions. [2021-12-06 23:23:47,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2199 transitions. [2021-12-06 23:23:47,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:23:47,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2199 transitions. [2021-12-06 23:23:47,426 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) [2021-12-06 23:23:47,429 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) [2021-12-06 23:23:47,429 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) [2021-12-06 23:23:47,429 INFO L186 Difference]: Start difference. First operand has 261 places, 302 transitions, 1430 flow. Second operand 7 states and 2199 transitions. [2021-12-06 23:23:47,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 322 transitions, 1557 flow [2021-12-06 23:23:47,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 322 transitions, 1523 flow, removed 17 selfloop flow, removed 2 redundant places. [2021-12-06 23:23:47,460 INFO L242 Difference]: Finished difference. Result has 269 places, 310 transitions, 1464 flow [2021-12-06 23:23:47,460 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} [2021-12-06 23:23:47,461 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 47 predicate places. [2021-12-06 23:23:47,461 INFO L470 AbstractCegarLoop]: Abstraction has has 269 places, 310 transitions, 1464 flow [2021-12-06 23:23:47,461 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) [2021-12-06 23:23:47,461 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:23:47,462 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] [2021-12-06 23:23:47,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:23:47,462 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)] === [2021-12-06 23:23:47,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:23:47,462 INFO L85 PathProgramCache]: Analyzing trace with hash 31831274, now seen corresponding path program 1 times [2021-12-06 23:23:47,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:23:47,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411961545] [2021-12-06 23:23:47,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:23:47,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:23:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:23:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:23:47,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:23:47,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411961545] [2021-12-06 23:23:47,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411961545] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:23:47,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:23:47,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:23:47,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716523406] [2021-12-06 23:23:47,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:23:47,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:23:47,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:23:47,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:23:47,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:23:47,525 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 353 [2021-12-06 23:23:47,526 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) [2021-12-06 23:23:47,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:23:47,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 353 [2021-12-06 23:23:47,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:23:48,588 INFO L129 PetriNetUnfolder]: 706/6838 cut-off events. [2021-12-06 23:23:48,588 INFO L130 PetriNetUnfolder]: For 7430/7705 co-relation queries the response was YES. [2021-12-06 23:23:48,634 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. [2021-12-06 23:23:48,658 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 25 selfloop transitions, 8 changer transitions 4/319 dead transitions. [2021-12-06 23:23:48,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 319 transitions, 1515 flow [2021-12-06 23:23:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:23:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 23:23:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2188 transitions. [2021-12-06 23:23:48,663 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8854714690408741 [2021-12-06 23:23:48,663 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2188 transitions. [2021-12-06 23:23:48,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2188 transitions. [2021-12-06 23:23:48,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:23:48,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2188 transitions. [2021-12-06 23:23:48,668 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) [2021-12-06 23:23:48,671 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) [2021-12-06 23:23:48,672 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) [2021-12-06 23:23:48,672 INFO L186 Difference]: Start difference. First operand has 269 places, 310 transitions, 1464 flow. Second operand 7 states and 2188 transitions. [2021-12-06 23:23:48,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 319 transitions, 1515 flow [2021-12-06 23:23:48,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 319 transitions, 1515 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 23:23:48,708 INFO L242 Difference]: Finished difference. Result has 280 places, 307 transitions, 1424 flow [2021-12-06 23:23:48,708 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} [2021-12-06 23:23:48,709 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 58 predicate places. [2021-12-06 23:23:48,709 INFO L470 AbstractCegarLoop]: Abstraction has has 280 places, 307 transitions, 1424 flow [2021-12-06 23:23:48,710 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) [2021-12-06 23:23:48,710 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:23:48,710 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] [2021-12-06 23:23:48,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:23:48,711 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)] === [2021-12-06 23:23:48,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:23:48,711 INFO L85 PathProgramCache]: Analyzing trace with hash 24630793, now seen corresponding path program 1 times [2021-12-06 23:23:48,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:23:48,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718393858] [2021-12-06 23:23:48,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:23:48,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:23:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:23:48,739 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:23:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:23:48,817 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:23:48,817 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:23:48,818 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 14 remaining) [2021-12-06 23:23:48,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 14 remaining) [2021-12-06 23:23:48,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 14 remaining) [2021-12-06 23:23:48,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (10 of 14 remaining) [2021-12-06 23:23:48,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (9 of 14 remaining) [2021-12-06 23:23:48,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 14 remaining) [2021-12-06 23:23:48,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 14 remaining) [2021-12-06 23:23:48,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 14 remaining) [2021-12-06 23:23:48,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 14 remaining) [2021-12-06 23:23:48,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1INUSE_VIOLATION (4 of 14 remaining) [2021-12-06 23:23:48,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 14 remaining) [2021-12-06 23:23:48,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 14 remaining) [2021-12-06 23:23:48,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 14 remaining) [2021-12-06 23:23:48,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbThread1of1ForFork0Err2INUSE_VIOLATION (0 of 14 remaining) [2021-12-06 23:23:48,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:23:48,825 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:23:48,829 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 23:23:48,829 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:23:48,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:23:48 BasicIcfg [2021-12-06 23:23:48,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:23:48,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:23:48,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:23:48,906 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:23:48,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:23:43" (3/4) ... [2021-12-06 23:23:48,908 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 23:23:48,971 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:23:48,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:23:48,972 INFO L158 Benchmark]: Toolchain (without parser) took 7146.67ms. Allocated memory was 92.3MB in the beginning and 675.3MB in the end (delta: 583.0MB). Free memory was 64.9MB in the beginning and 393.7MB in the end (delta: -328.9MB). Peak memory consumption was 255.8MB. Max. memory is 16.1GB. [2021-12-06 23:23:48,973 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory was 42.4MB in the beginning and 42.4MB in the end (delta: 48.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:23:48,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.31ms. Allocated memory is still 92.3MB. Free memory was 64.7MB in the beginning and 56.2MB in the end (delta: 8.5MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-12-06 23:23:48,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.57ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 52.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 23:23:48,974 INFO L158 Benchmark]: Boogie Preprocessor took 32.53ms. Allocated memory is still 92.3MB. Free memory was 52.8MB in the beginning and 49.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:23:48,974 INFO L158 Benchmark]: RCFGBuilder took 476.03ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 49.9MB in the beginning and 70.7MB in the end (delta: -20.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 23:23:48,974 INFO L158 Benchmark]: TraceAbstraction took 5841.97ms. Allocated memory was 111.1MB in the beginning and 675.3MB in the end (delta: 564.1MB). Free memory was 70.2MB in the beginning and 409.5MB in the end (delta: -339.3MB). Peak memory consumption was 461.3MB. Max. memory is 16.1GB. [2021-12-06 23:23:48,975 INFO L158 Benchmark]: Witness Printer took 65.99ms. Allocated memory is still 675.3MB. Free memory was 409.5MB in the beginning and 393.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 23:23:48,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory was 42.4MB in the beginning and 42.4MB in the end (delta: 48.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.31ms. Allocated memory is still 92.3MB. Free memory was 64.7MB in the beginning and 56.2MB in the end (delta: 8.5MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.57ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 52.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.53ms. Allocated memory is still 92.3MB. Free memory was 52.8MB in the beginning and 49.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.03ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 49.9MB in the beginning and 70.7MB in the end (delta: -20.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5841.97ms. Allocated memory was 111.1MB in the beginning and 675.3MB in the end (delta: 564.1MB). Free memory was 70.2MB in the beginning and 409.5MB in the end (delta: -339.3MB). Peak memory consumption was 461.3MB. Max. memory is 16.1GB. * Witness Printer took 65.99ms. Allocated memory is still 675.3MB. Free memory was 409.5MB in the beginning and 393.7MB in the end (delta: 15.7MB). 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)=0, \old(expression)=1, expression=0, expression=1, ldv_usb_state=1, mutex={5:0}, pdev=7, t1={3:0}, t2={4:0}] [L1693] 2 reach_error() VAL [\old(expression)=1, \old(expression)=0, expression=0, expression=1, 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: 5.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 320 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 440 SdHoareTripleChecker+Invalid, 0.3s 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, 0.5s 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! [2021-12-06 23:23:49,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b625c0-e7dd-4698-b8f2-85dc0b6e112b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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