./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/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_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:04:27,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:04:27,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 19:04:27,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:04:27,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:04:27,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:04:27,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:04:27,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:04:27,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:04:27,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:04:27,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:04:27,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:04:27,672 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:04:27,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:04:27,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:04:27,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:04:27,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:04:27,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:04:27,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:04:27,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:04:27,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:04:27,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:04:27,681 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 19:04:27,682 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:04:27,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:04:27,682 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:04:27,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:04:27,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:04:27,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:04:27,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:04:27,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:04:27,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:04:27,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:04:27,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:04:27,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:04:27,686 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:04:27,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:04:27,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:04:27,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:04:27,688 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:04:27,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:04:27,689 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 [2024-11-08 19:04:27,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:04:27,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:04:27,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:04:27,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:04:27,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:04:27,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i Unable to find full path for "g++" [2024-11-08 19:04:29,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:04:30,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:04:30,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2024-11-08 19:04:30,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/data/4a4eab13a/605fb7d919ca4dbc8a994b444fdf1731/FLAGa1aff2072 [2024-11-08 19:04:30,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/data/4a4eab13a/605fb7d919ca4dbc8a994b444fdf1731 [2024-11-08 19:04:30,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:04:30,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:04:30,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:04:30,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:04:30,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:04:30,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:04:30" (1/1) ... [2024-11-08 19:04:30,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa9a02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:30, skipping insertion in model container [2024-11-08 19:04:30,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:04:30" (1/1) ... [2024-11-08 19:04:30,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:04:31,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:04:31,524 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:04:31,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:04:31,715 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:04:31,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31 WrapperNode [2024-11-08 19:04:31,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:04:31,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:04:31,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:04:31,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:04:31,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,807 INFO L138 Inliner]: procedures = 487, calls = 38, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 294 [2024-11-08 19:04:31,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:04:31,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:04:31,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:04:31,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:04:31,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:04:31,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:04:31,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:04:31,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:04:31,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (1/1) ... [2024-11-08 19:04:31,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:04:31,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:04:31,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:04:31,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:04:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-11-08 19:04:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-11-08 19:04:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:04:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-11-08 19:04:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-11-08 19:04:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 19:04:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:04:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 19:04:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:04:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:04:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:04:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 19:04:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:04:31,973 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:04:32,345 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:04:32,346 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:04:32,778 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:04:32,778 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:04:32,824 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:04:32,827 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:04:32,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:32 BoogieIcfgContainer [2024-11-08 19:04:32,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:04:32,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:04:32,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:04:32,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:04:32,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:04:30" (1/3) ... [2024-11-08 19:04:32,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281e4633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:04:32, skipping insertion in model container [2024-11-08 19:04:32,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:31" (2/3) ... [2024-11-08 19:04:32,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281e4633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:04:32, skipping insertion in model container [2024-11-08 19:04:32,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:32" (3/3) ... [2024-11-08 19:04:32,839 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2024-11-08 19:04:32,871 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:04:32,871 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-08 19:04:32,872 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:04:33,029 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-08 19:04:33,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 472 places, 514 transitions, 1055 flow [2024-11-08 19:04:33,252 INFO L124 PetriNetUnfolderBase]: 45/520 cut-off events. [2024-11-08 19:04:33,252 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-08 19:04:33,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 520 events. 45/520 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1454 event pairs, 0 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 367. Up to 11 conditions per place. [2024-11-08 19:04:33,264 INFO L82 GeneralOperation]: Start removeDead. Operand has 472 places, 514 transitions, 1055 flow [2024-11-08 19:04:33,276 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 323 places, 348 transitions, 712 flow [2024-11-08 19:04:33,291 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:04:33,299 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@84e6fdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:04:33,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2024-11-08 19:04:33,304 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:04:33,304 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-08 19:04:33,304 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:04:33,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:33,305 INFO L204 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] [2024-11-08 19:04:33,307 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:33,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:33,312 INFO L85 PathProgramCache]: Analyzing trace with hash -796954578, now seen corresponding path program 1 times [2024-11-08 19:04:33,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:33,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923609702] [2024-11-08 19:04:33,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:33,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:33,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:33,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923609702] [2024-11-08 19:04:33,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923609702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:33,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:33,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:33,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500299206] [2024-11-08 19:04:33,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:33,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:33,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:33,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:33,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:34,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 514 [2024-11-08 19:04:34,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 348 transitions, 712 flow. Second operand has 3 states, 3 states have (on average 443.3333333333333) internal successors, (1330), 3 states have internal predecessors, (1330), 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) [2024-11-08 19:04:34,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:34,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 514 [2024-11-08 19:04:34,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:34,415 INFO L124 PetriNetUnfolderBase]: 122/1234 cut-off events. [2024-11-08 19:04:34,415 INFO L125 PetriNetUnfolderBase]: For 33/40 co-relation queries the response was YES. [2024-11-08 19:04:34,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1444 conditions, 1234 events. 122/1234 cut-off events. For 33/40 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7314 event pairs, 76 based on Foata normal form. 115/1168 useless extension candidates. Maximal degree in co-relation 1117. Up to 185 conditions per place. [2024-11-08 19:04:34,430 INFO L140 encePairwiseOnDemand]: 493/514 looper letters, 24 selfloop transitions, 2 changer transitions 6/315 dead transitions. [2024-11-08 19:04:34,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 315 transitions, 698 flow [2024-11-08 19:04:34,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:34,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1371 transitions. [2024-11-08 19:04:34,452 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8891050583657587 [2024-11-08 19:04:34,454 INFO L175 Difference]: Start difference. First operand has 323 places, 348 transitions, 712 flow. Second operand 3 states and 1371 transitions. [2024-11-08 19:04:34,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 315 transitions, 698 flow [2024-11-08 19:04:34,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 315 transitions, 694 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:34,472 INFO L231 Difference]: Finished difference. Result has 308 places, 309 transitions, 634 flow [2024-11-08 19:04:34,474 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=308, PETRI_TRANSITIONS=309} [2024-11-08 19:04:34,480 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -15 predicate places. [2024-11-08 19:04:34,480 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 309 transitions, 634 flow [2024-11-08 19:04:34,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 443.3333333333333) internal successors, (1330), 3 states have internal predecessors, (1330), 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) [2024-11-08 19:04:34,482 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:34,482 INFO L204 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] [2024-11-08 19:04:34,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:04:34,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:34,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:34,485 INFO L85 PathProgramCache]: Analyzing trace with hash 505975955, now seen corresponding path program 1 times [2024-11-08 19:04:34,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:34,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070327498] [2024-11-08 19:04:34,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:34,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:34,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:34,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070327498] [2024-11-08 19:04:34,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070327498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:34,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:34,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:34,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542670694] [2024-11-08 19:04:34,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:34,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:34,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:34,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:34,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:34,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 514 [2024-11-08 19:04:34,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 309 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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) [2024-11-08 19:04:34,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:34,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 514 [2024-11-08 19:04:34,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:35,284 INFO L124 PetriNetUnfolderBase]: 161/1710 cut-off events. [2024-11-08 19:04:35,284 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-08 19:04:35,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1950 conditions, 1710 events. 161/1710 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 11687 event pairs, 29 based on Foata normal form. 0/1468 useless extension candidates. Maximal degree in co-relation 1916. Up to 156 conditions per place. [2024-11-08 19:04:35,301 INFO L140 encePairwiseOnDemand]: 490/514 looper letters, 30 selfloop transitions, 17 changer transitions 0/321 dead transitions. [2024-11-08 19:04:35,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 321 transitions, 753 flow [2024-11-08 19:04:35,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1338 transitions. [2024-11-08 19:04:35,305 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.867704280155642 [2024-11-08 19:04:35,306 INFO L175 Difference]: Start difference. First operand has 308 places, 309 transitions, 634 flow. Second operand 3 states and 1338 transitions. [2024-11-08 19:04:35,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 321 transitions, 753 flow [2024-11-08 19:04:35,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 321 transitions, 749 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:35,318 INFO L231 Difference]: Finished difference. Result has 301 places, 318 transitions, 748 flow [2024-11-08 19:04:35,318 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=301, PETRI_TRANSITIONS=318} [2024-11-08 19:04:35,319 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -22 predicate places. [2024-11-08 19:04:35,320 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 318 transitions, 748 flow [2024-11-08 19:04:35,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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) [2024-11-08 19:04:35,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:35,322 INFO L204 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] [2024-11-08 19:04:35,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:04:35,322 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:35,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:35,324 INFO L85 PathProgramCache]: Analyzing trace with hash -146851910, now seen corresponding path program 1 times [2024-11-08 19:04:35,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:35,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335614533] [2024-11-08 19:04:35,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:35,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:35,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:35,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:35,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335614533] [2024-11-08 19:04:35,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335614533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:35,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:35,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:35,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522198831] [2024-11-08 19:04:35,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:35,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:35,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:35,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:35,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:35,584 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 514 [2024-11-08 19:04:35,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 318 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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) [2024-11-08 19:04:35,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:35,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 514 [2024-11-08 19:04:35,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:36,110 INFO L124 PetriNetUnfolderBase]: 274/2597 cut-off events. [2024-11-08 19:04:36,110 INFO L125 PetriNetUnfolderBase]: For 480/543 co-relation queries the response was YES. [2024-11-08 19:04:36,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3358 conditions, 2597 events. 274/2597 cut-off events. For 480/543 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 20850 event pairs, 99 based on Foata normal form. 0/2232 useless extension candidates. Maximal degree in co-relation 2866. Up to 333 conditions per place. [2024-11-08 19:04:36,130 INFO L140 encePairwiseOnDemand]: 511/514 looper letters, 32 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2024-11-08 19:04:36,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 317 transitions, 814 flow [2024-11-08 19:04:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1353 transitions. [2024-11-08 19:04:36,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.877431906614786 [2024-11-08 19:04:36,135 INFO L175 Difference]: Start difference. First operand has 301 places, 318 transitions, 748 flow. Second operand 3 states and 1353 transitions. [2024-11-08 19:04:36,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 317 transitions, 814 flow [2024-11-08 19:04:36,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 317 transitions, 780 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:36,144 INFO L231 Difference]: Finished difference. Result has 300 places, 317 transitions, 716 flow [2024-11-08 19:04:36,145 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=716, PETRI_PLACES=300, PETRI_TRANSITIONS=317} [2024-11-08 19:04:36,146 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -23 predicate places. [2024-11-08 19:04:36,147 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 317 transitions, 716 flow [2024-11-08 19:04:36,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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) [2024-11-08 19:04:36,148 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:36,148 INFO L204 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] [2024-11-08 19:04:36,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:04:36,149 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:36,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:36,151 INFO L85 PathProgramCache]: Analyzing trace with hash -2126344517, now seen corresponding path program 1 times [2024-11-08 19:04:36,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:36,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743446526] [2024-11-08 19:04:36,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:36,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:36,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:36,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743446526] [2024-11-08 19:04:36,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743446526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:36,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:36,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:36,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281623746] [2024-11-08 19:04:36,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:36,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:36,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:36,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:36,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:36,284 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 514 [2024-11-08 19:04:36,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 317 transitions, 716 flow. Second operand has 3 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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) [2024-11-08 19:04:36,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:36,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 514 [2024-11-08 19:04:36,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:36,811 INFO L124 PetriNetUnfolderBase]: 264/2775 cut-off events. [2024-11-08 19:04:36,812 INFO L125 PetriNetUnfolderBase]: For 51/81 co-relation queries the response was YES. [2024-11-08 19:04:36,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3215 conditions, 2775 events. 264/2775 cut-off events. For 51/81 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 22463 event pairs, 60 based on Foata normal form. 1/2348 useless extension candidates. Maximal degree in co-relation 3176. Up to 144 conditions per place. [2024-11-08 19:04:36,838 INFO L140 encePairwiseOnDemand]: 511/514 looper letters, 17 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2024-11-08 19:04:36,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 321 transitions, 771 flow [2024-11-08 19:04:36,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1400 transitions. [2024-11-08 19:04:36,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9079118028534371 [2024-11-08 19:04:36,844 INFO L175 Difference]: Start difference. First operand has 300 places, 317 transitions, 716 flow. Second operand 3 states and 1400 transitions. [2024-11-08 19:04:36,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 321 transitions, 771 flow [2024-11-08 19:04:36,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 321 transitions, 767 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:36,853 INFO L231 Difference]: Finished difference. Result has 299 places, 316 transitions, 714 flow [2024-11-08 19:04:36,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=714, PETRI_PLACES=299, PETRI_TRANSITIONS=316} [2024-11-08 19:04:36,855 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -24 predicate places. [2024-11-08 19:04:36,855 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 316 transitions, 714 flow [2024-11-08 19:04:36,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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) [2024-11-08 19:04:36,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:36,857 INFO L204 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] [2024-11-08 19:04:36,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:04:36,857 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:36,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:36,858 INFO L85 PathProgramCache]: Analyzing trace with hash -712977134, now seen corresponding path program 1 times [2024-11-08 19:04:36,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:36,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052376915] [2024-11-08 19:04:36,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:36,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:36,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:36,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052376915] [2024-11-08 19:04:36,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052376915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:36,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:36,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:36,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015882144] [2024-11-08 19:04:36,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:36,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:36,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:36,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:36,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:37,039 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 514 [2024-11-08 19:04:37,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 316 transitions, 714 flow. Second operand has 3 states, 3 states have (on average 454.3333333333333) internal successors, (1363), 3 states have internal predecessors, (1363), 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) [2024-11-08 19:04:37,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:37,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 514 [2024-11-08 19:04:37,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:37,292 INFO L124 PetriNetUnfolderBase]: 123/1436 cut-off events. [2024-11-08 19:04:37,292 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-08 19:04:37,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1683 conditions, 1436 events. 123/1436 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9200 event pairs, 29 based on Foata normal form. 0/1246 useless extension candidates. Maximal degree in co-relation 1591. Up to 93 conditions per place. [2024-11-08 19:04:37,304 INFO L140 encePairwiseOnDemand]: 511/514 looper letters, 14 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-11-08 19:04:37,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 315 transitions, 744 flow [2024-11-08 19:04:37,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1376 transitions. [2024-11-08 19:04:37,308 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8923476005188068 [2024-11-08 19:04:37,308 INFO L175 Difference]: Start difference. First operand has 299 places, 316 transitions, 714 flow. Second operand 3 states and 1376 transitions. [2024-11-08 19:04:37,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 315 transitions, 744 flow [2024-11-08 19:04:37,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 315 transitions, 740 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:37,316 INFO L231 Difference]: Finished difference. Result has 298 places, 315 transitions, 712 flow [2024-11-08 19:04:37,317 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=712, PETRI_PLACES=298, PETRI_TRANSITIONS=315} [2024-11-08 19:04:37,317 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -25 predicate places. [2024-11-08 19:04:37,319 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 315 transitions, 712 flow [2024-11-08 19:04:37,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 454.3333333333333) internal successors, (1363), 3 states have internal predecessors, (1363), 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) [2024-11-08 19:04:37,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:37,321 INFO L204 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] [2024-11-08 19:04:37,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:04:37,321 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:37,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:37,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1654034550, now seen corresponding path program 1 times [2024-11-08 19:04:37,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:37,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560987115] [2024-11-08 19:04:37,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:37,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:37,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:37,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560987115] [2024-11-08 19:04:37,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560987115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:37,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:37,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:37,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414237441] [2024-11-08 19:04:37,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:37,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:37,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:37,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:37,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:37,462 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 464 out of 514 [2024-11-08 19:04:37,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 315 transitions, 712 flow. Second operand has 3 states, 3 states have (on average 465.3333333333333) internal successors, (1396), 3 states have internal predecessors, (1396), 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) [2024-11-08 19:04:37,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:37,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 464 of 514 [2024-11-08 19:04:37,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:37,723 INFO L124 PetriNetUnfolderBase]: 153/1505 cut-off events. [2024-11-08 19:04:37,723 INFO L125 PetriNetUnfolderBase]: For 33/56 co-relation queries the response was YES. [2024-11-08 19:04:37,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1793 conditions, 1505 events. 153/1505 cut-off events. For 33/56 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 10453 event pairs, 13 based on Foata normal form. 4/1304 useless extension candidates. Maximal degree in co-relation 1695. Up to 97 conditions per place. [2024-11-08 19:04:37,738 INFO L140 encePairwiseOnDemand]: 512/514 looper letters, 14 selfloop transitions, 1 changer transitions 19/319 dead transitions. [2024-11-08 19:04:37,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 319 transitions, 759 flow [2024-11-08 19:04:37,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:37,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1408 transitions. [2024-11-08 19:04:37,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9130998702983139 [2024-11-08 19:04:37,743 INFO L175 Difference]: Start difference. First operand has 298 places, 315 transitions, 712 flow. Second operand 3 states and 1408 transitions. [2024-11-08 19:04:37,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 319 transitions, 759 flow [2024-11-08 19:04:37,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 319 transitions, 755 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:37,750 INFO L231 Difference]: Finished difference. Result has 297 places, 295 transitions, 666 flow [2024-11-08 19:04:37,750 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=706, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=297, PETRI_TRANSITIONS=295} [2024-11-08 19:04:37,753 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -26 predicate places. [2024-11-08 19:04:37,754 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 295 transitions, 666 flow [2024-11-08 19:04:37,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 465.3333333333333) internal successors, (1396), 3 states have internal predecessors, (1396), 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) [2024-11-08 19:04:37,755 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:37,755 INFO L204 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] [2024-11-08 19:04:37,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:04:37,756 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:37,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:37,756 INFO L85 PathProgramCache]: Analyzing trace with hash 2077244241, now seen corresponding path program 1 times [2024-11-08 19:04:37,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:37,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304108134] [2024-11-08 19:04:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:37,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:37,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:37,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304108134] [2024-11-08 19:04:37,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304108134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:37,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:37,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:37,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86820640] [2024-11-08 19:04:37,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:37,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:37,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:37,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:37,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:37,924 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 514 [2024-11-08 19:04:37,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 295 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 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) [2024-11-08 19:04:37,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:37,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 514 [2024-11-08 19:04:37,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:38,177 INFO L124 PetriNetUnfolderBase]: 147/1605 cut-off events. [2024-11-08 19:04:38,177 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-08 19:04:38,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1896 conditions, 1605 events. 147/1605 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10895 event pairs, 33 based on Foata normal form. 0/1406 useless extension candidates. Maximal degree in co-relation 1823. Up to 107 conditions per place. [2024-11-08 19:04:38,194 INFO L140 encePairwiseOnDemand]: 506/514 looper letters, 16 selfloop transitions, 5 changer transitions 0/297 dead transitions. [2024-11-08 19:04:38,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 297 transitions, 712 flow [2024-11-08 19:04:38,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:38,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1359 transitions. [2024-11-08 19:04:38,198 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8813229571984436 [2024-11-08 19:04:38,199 INFO L175 Difference]: Start difference. First operand has 297 places, 295 transitions, 666 flow. Second operand 3 states and 1359 transitions. [2024-11-08 19:04:38,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 297 transitions, 712 flow [2024-11-08 19:04:38,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 297 transitions, 711 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 19:04:38,205 INFO L231 Difference]: Finished difference. Result has 278 places, 295 transitions, 686 flow [2024-11-08 19:04:38,206 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=659, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=686, PETRI_PLACES=278, PETRI_TRANSITIONS=295} [2024-11-08 19:04:38,207 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -45 predicate places. [2024-11-08 19:04:38,207 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 295 transitions, 686 flow [2024-11-08 19:04:38,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 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) [2024-11-08 19:04:38,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:38,209 INFO L204 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] [2024-11-08 19:04:38,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 19:04:38,210 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbErr7ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:38,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:38,210 INFO L85 PathProgramCache]: Analyzing trace with hash -984198411, now seen corresponding path program 1 times [2024-11-08 19:04:38,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:38,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989597705] [2024-11-08 19:04:38,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:38,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:38,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:38,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989597705] [2024-11-08 19:04:38,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989597705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:38,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:38,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:04:38,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901956456] [2024-11-08 19:04:38,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:38,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:38,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:38,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:38,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:38,425 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 452 out of 514 [2024-11-08 19:04:38,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 295 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 453.3333333333333) internal successors, (1360), 3 states have internal predecessors, (1360), 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) [2024-11-08 19:04:38,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:38,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 452 of 514 [2024-11-08 19:04:38,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:38,695 INFO L124 PetriNetUnfolderBase]: 157/1614 cut-off events. [2024-11-08 19:04:38,695 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-08 19:04:38,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1954 conditions, 1614 events. 157/1614 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10872 event pairs, 20 based on Foata normal form. 1/1411 useless extension candidates. Maximal degree in co-relation 1880. Up to 91 conditions per place. [2024-11-08 19:04:38,711 INFO L140 encePairwiseOnDemand]: 506/514 looper letters, 15 selfloop transitions, 5 changer transitions 0/299 dead transitions. [2024-11-08 19:04:38,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 299 transitions, 734 flow [2024-11-08 19:04:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1379 transitions. [2024-11-08 19:04:38,717 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8942931258106356 [2024-11-08 19:04:38,718 INFO L175 Difference]: Start difference. First operand has 278 places, 295 transitions, 686 flow. Second operand 3 states and 1379 transitions. [2024-11-08 19:04:38,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 299 transitions, 734 flow [2024-11-08 19:04:38,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 299 transitions, 729 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 19:04:38,723 INFO L231 Difference]: Finished difference. Result has 281 places, 297 transitions, 715 flow [2024-11-08 19:04:38,724 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=715, PETRI_PLACES=281, PETRI_TRANSITIONS=297} [2024-11-08 19:04:38,726 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -42 predicate places. [2024-11-08 19:04:38,726 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 297 transitions, 715 flow [2024-11-08 19:04:38,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 453.3333333333333) internal successors, (1360), 3 states have internal predecessors, (1360), 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) [2024-11-08 19:04:38,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:38,728 INFO L204 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] [2024-11-08 19:04:38,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 19:04:38,728 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread_usbErr12ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:38,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:38,729 INFO L85 PathProgramCache]: Analyzing trace with hash 648621333, now seen corresponding path program 1 times [2024-11-08 19:04:38,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:38,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398270077] [2024-11-08 19:04:38,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:38,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:38,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:38,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398270077] [2024-11-08 19:04:38,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398270077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:38,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:38,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:38,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611870145] [2024-11-08 19:04:38,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:38,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:38,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:38,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:38,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:38,968 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 514 [2024-11-08 19:04:38,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 297 transitions, 715 flow. Second operand has 3 states, 3 states have (on average 447.0) internal successors, (1341), 3 states have internal predecessors, (1341), 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) [2024-11-08 19:04:38,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:38,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 514 [2024-11-08 19:04:38,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:39,270 INFO L124 PetriNetUnfolderBase]: 194/1751 cut-off events. [2024-11-08 19:04:39,270 INFO L125 PetriNetUnfolderBase]: For 138/164 co-relation queries the response was YES. [2024-11-08 19:04:39,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2269 conditions, 1751 events. 194/1751 cut-off events. For 138/164 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 12007 event pairs, 36 based on Foata normal form. 2/1543 useless extension candidates. Maximal degree in co-relation 2190. Up to 190 conditions per place. [2024-11-08 19:04:39,287 INFO L140 encePairwiseOnDemand]: 508/514 looper letters, 30 selfloop transitions, 8 changer transitions 0/305 dead transitions. [2024-11-08 19:04:39,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 305 transitions, 817 flow [2024-11-08 19:04:39,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:39,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1364 transitions. [2024-11-08 19:04:39,291 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8845654993514915 [2024-11-08 19:04:39,291 INFO L175 Difference]: Start difference. First operand has 281 places, 297 transitions, 715 flow. Second operand 3 states and 1364 transitions. [2024-11-08 19:04:39,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 305 transitions, 817 flow [2024-11-08 19:04:39,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 305 transitions, 807 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:39,298 INFO L231 Difference]: Finished difference. Result has 283 places, 303 transitions, 773 flow [2024-11-08 19:04:39,298 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=773, PETRI_PLACES=283, PETRI_TRANSITIONS=303} [2024-11-08 19:04:39,299 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -40 predicate places. [2024-11-08 19:04:39,300 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 303 transitions, 773 flow [2024-11-08 19:04:39,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.0) internal successors, (1341), 3 states have internal predecessors, (1341), 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) [2024-11-08 19:04:39,301 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:39,301 INFO L204 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] [2024-11-08 19:04:39,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 19:04:39,302 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread_usbErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:39,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:39,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1191283786, now seen corresponding path program 1 times [2024-11-08 19:04:39,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:39,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88057263] [2024-11-08 19:04:39,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:39,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:39,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88057263] [2024-11-08 19:04:39,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88057263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:39,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:39,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:39,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997324164] [2024-11-08 19:04:39,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:39,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:39,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:39,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:39,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:39,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 514 [2024-11-08 19:04:39,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 303 transitions, 773 flow. Second operand has 3 states, 3 states have (on average 459.6666666666667) internal successors, (1379), 3 states have internal predecessors, (1379), 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) [2024-11-08 19:04:39,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:39,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 514 [2024-11-08 19:04:39,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:39,819 INFO L124 PetriNetUnfolderBase]: 175/1811 cut-off events. [2024-11-08 19:04:39,819 INFO L125 PetriNetUnfolderBase]: For 102/113 co-relation queries the response was YES. [2024-11-08 19:04:39,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 1811 events. 175/1811 cut-off events. For 102/113 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 12591 event pairs, 18 based on Foata normal form. 0/1598 useless extension candidates. Maximal degree in co-relation 2232. Up to 103 conditions per place. [2024-11-08 19:04:39,835 INFO L140 encePairwiseOnDemand]: 511/514 looper letters, 14 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-08 19:04:39,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 304 transitions, 807 flow [2024-11-08 19:04:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:39,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1391 transitions. [2024-11-08 19:04:39,839 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9020752269779507 [2024-11-08 19:04:39,839 INFO L175 Difference]: Start difference. First operand has 283 places, 303 transitions, 773 flow. Second operand 3 states and 1391 transitions. [2024-11-08 19:04:39,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 304 transitions, 807 flow [2024-11-08 19:04:39,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 304 transitions, 791 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:39,846 INFO L231 Difference]: Finished difference. Result has 282 places, 302 transitions, 759 flow [2024-11-08 19:04:39,846 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=759, PETRI_PLACES=282, PETRI_TRANSITIONS=302} [2024-11-08 19:04:39,847 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -41 predicate places. [2024-11-08 19:04:39,847 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 302 transitions, 759 flow [2024-11-08 19:04:39,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.6666666666667) internal successors, (1379), 3 states have internal predecessors, (1379), 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) [2024-11-08 19:04:39,848 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:39,848 INFO L204 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] [2024-11-08 19:04:39,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 19:04:39,848 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread_usbErr3ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:39,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:39,849 INFO L85 PathProgramCache]: Analyzing trace with hash -2008250647, now seen corresponding path program 1 times [2024-11-08 19:04:39,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:39,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255295940] [2024-11-08 19:04:39,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:39,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:39,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:39,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:39,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255295940] [2024-11-08 19:04:39,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255295940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:39,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:39,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:39,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765843481] [2024-11-08 19:04:39,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:39,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:39,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:39,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:39,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:39,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 514 [2024-11-08 19:04:39,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 302 transitions, 759 flow. Second operand has 3 states, 3 states have (on average 455.0) internal successors, (1365), 3 states have internal predecessors, (1365), 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) [2024-11-08 19:04:39,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:39,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 514 [2024-11-08 19:04:39,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:40,290 INFO L124 PetriNetUnfolderBase]: 193/1832 cut-off events. [2024-11-08 19:04:40,291 INFO L125 PetriNetUnfolderBase]: For 129/142 co-relation queries the response was YES. [2024-11-08 19:04:40,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2362 conditions, 1832 events. 193/1832 cut-off events. For 129/142 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 12981 event pairs, 27 based on Foata normal form. 0/1617 useless extension candidates. Maximal degree in co-relation 2285. Up to 127 conditions per place. [2024-11-08 19:04:40,304 INFO L140 encePairwiseOnDemand]: 511/514 looper letters, 19 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-11-08 19:04:40,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 303 transitions, 803 flow [2024-11-08 19:04:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:40,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:40,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1378 transitions. [2024-11-08 19:04:40,308 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893644617380026 [2024-11-08 19:04:40,308 INFO L175 Difference]: Start difference. First operand has 282 places, 302 transitions, 759 flow. Second operand 3 states and 1378 transitions. [2024-11-08 19:04:40,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 303 transitions, 803 flow [2024-11-08 19:04:40,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 303 transitions, 799 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:40,314 INFO L231 Difference]: Finished difference. Result has 281 places, 301 transitions, 757 flow [2024-11-08 19:04:40,315 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=753, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=757, PETRI_PLACES=281, PETRI_TRANSITIONS=301} [2024-11-08 19:04:40,316 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -42 predicate places. [2024-11-08 19:04:40,316 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 301 transitions, 757 flow [2024-11-08 19:04:40,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 455.0) internal successors, (1365), 3 states have internal predecessors, (1365), 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) [2024-11-08 19:04:40,317 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:40,317 INFO L204 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] [2024-11-08 19:04:40,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 19:04:40,318 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:40,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:40,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1584349639, now seen corresponding path program 1 times [2024-11-08 19:04:40,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:40,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377453146] [2024-11-08 19:04:40,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:40,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:40,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:40,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:40,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377453146] [2024-11-08 19:04:40,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377453146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:40,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:40,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:40,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210657290] [2024-11-08 19:04:40,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:40,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:40,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:40,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:40,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:40,519 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 514 [2024-11-08 19:04:40,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 301 transitions, 757 flow. Second operand has 3 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 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) [2024-11-08 19:04:40,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:40,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 514 [2024-11-08 19:04:40,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:40,869 INFO L124 PetriNetUnfolderBase]: 299/2254 cut-off events. [2024-11-08 19:04:40,869 INFO L125 PetriNetUnfolderBase]: For 357/476 co-relation queries the response was YES. [2024-11-08 19:04:40,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3180 conditions, 2254 events. 299/2254 cut-off events. For 357/476 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 17469 event pairs, 53 based on Foata normal form. 9/1995 useless extension candidates. Maximal degree in co-relation 3101. Up to 335 conditions per place. [2024-11-08 19:04:40,892 INFO L140 encePairwiseOnDemand]: 504/514 looper letters, 35 selfloop transitions, 16 changer transitions 0/314 dead transitions. [2024-11-08 19:04:40,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 314 transitions, 914 flow [2024-11-08 19:04:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1361 transitions. [2024-11-08 19:04:40,896 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8826199740596627 [2024-11-08 19:04:40,896 INFO L175 Difference]: Start difference. First operand has 281 places, 301 transitions, 757 flow. Second operand 3 states and 1361 transitions. [2024-11-08 19:04:40,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 314 transitions, 914 flow [2024-11-08 19:04:40,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 314 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:40,903 INFO L231 Difference]: Finished difference. Result has 283 places, 313 transitions, 895 flow [2024-11-08 19:04:40,904 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=753, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=895, PETRI_PLACES=283, PETRI_TRANSITIONS=313} [2024-11-08 19:04:40,904 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -40 predicate places. [2024-11-08 19:04:40,905 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 313 transitions, 895 flow [2024-11-08 19:04:40,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 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) [2024-11-08 19:04:40,906 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:40,906 INFO L204 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] [2024-11-08 19:04:40,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 19:04:40,906 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread_usbErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:40,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:40,908 INFO L85 PathProgramCache]: Analyzing trace with hash 975549500, now seen corresponding path program 1 times [2024-11-08 19:04:40,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:40,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087096043] [2024-11-08 19:04:40,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:40,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:40,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:40,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087096043] [2024-11-08 19:04:40,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087096043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:40,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:40,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:40,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941007394] [2024-11-08 19:04:40,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:40,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:40,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:40,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:40,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:41,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 444 out of 514 [2024-11-08 19:04:41,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 313 transitions, 895 flow. Second operand has 3 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 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) [2024-11-08 19:04:41,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:41,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 444 of 514 [2024-11-08 19:04:41,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:41,467 INFO L124 PetriNetUnfolderBase]: 310/2459 cut-off events. [2024-11-08 19:04:41,467 INFO L125 PetriNetUnfolderBase]: For 900/993 co-relation queries the response was YES. [2024-11-08 19:04:41,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3604 conditions, 2459 events. 310/2459 cut-off events. For 900/993 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 19434 event pairs, 39 based on Foata normal form. 7/2187 useless extension candidates. Maximal degree in co-relation 3524. Up to 289 conditions per place. [2024-11-08 19:04:41,490 INFO L140 encePairwiseOnDemand]: 508/514 looper letters, 44 selfloop transitions, 9 changer transitions 0/320 dead transitions. [2024-11-08 19:04:41,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 320 transitions, 1035 flow [2024-11-08 19:04:41,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:41,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:41,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1362 transitions. [2024-11-08 19:04:41,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8832684824902723 [2024-11-08 19:04:41,494 INFO L175 Difference]: Start difference. First operand has 283 places, 313 transitions, 895 flow. Second operand 3 states and 1362 transitions. [2024-11-08 19:04:41,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 320 transitions, 1035 flow [2024-11-08 19:04:41,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 320 transitions, 999 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:41,501 INFO L231 Difference]: Finished difference. Result has 285 places, 318 transitions, 937 flow [2024-11-08 19:04:41,502 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=863, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=937, PETRI_PLACES=285, PETRI_TRANSITIONS=318} [2024-11-08 19:04:41,503 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -38 predicate places. [2024-11-08 19:04:41,503 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 318 transitions, 937 flow [2024-11-08 19:04:41,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 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) [2024-11-08 19:04:41,504 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:41,505 INFO L204 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] [2024-11-08 19:04:41,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 19:04:41,505 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:41,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:41,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1054636991, now seen corresponding path program 1 times [2024-11-08 19:04:41,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:41,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554497139] [2024-11-08 19:04:41,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:41,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:41,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:41,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554497139] [2024-11-08 19:04:41,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554497139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:41,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:41,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:04:41,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457939045] [2024-11-08 19:04:41,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:41,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:04:41,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:41,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:04:41,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:04:41,709 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 514 [2024-11-08 19:04:41,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 318 transitions, 937 flow. Second operand has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 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) [2024-11-08 19:04:41,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:41,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 514 [2024-11-08 19:04:41,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:42,283 INFO L124 PetriNetUnfolderBase]: 566/3731 cut-off events. [2024-11-08 19:04:42,284 INFO L125 PetriNetUnfolderBase]: For 2189/2477 co-relation queries the response was YES. [2024-11-08 19:04:42,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5915 conditions, 3731 events. 566/3731 cut-off events. For 2189/2477 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 33750 event pairs, 142 based on Foata normal form. 10/3316 useless extension candidates. Maximal degree in co-relation 5448. Up to 601 conditions per place. [2024-11-08 19:04:42,316 INFO L140 encePairwiseOnDemand]: 508/514 looper letters, 49 selfloop transitions, 9 changer transitions 1/325 dead transitions. [2024-11-08 19:04:42,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 325 transitions, 1089 flow [2024-11-08 19:04:42,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:04:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:04:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1358 transitions. [2024-11-08 19:04:42,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.880674448767834 [2024-11-08 19:04:42,320 INFO L175 Difference]: Start difference. First operand has 285 places, 318 transitions, 937 flow. Second operand 3 states and 1358 transitions. [2024-11-08 19:04:42,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 325 transitions, 1089 flow [2024-11-08 19:04:42,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 325 transitions, 1065 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:42,330 INFO L231 Difference]: Finished difference. Result has 287 places, 322 transitions, 989 flow [2024-11-08 19:04:42,331 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=913, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=989, PETRI_PLACES=287, PETRI_TRANSITIONS=322} [2024-11-08 19:04:42,332 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -36 predicate places. [2024-11-08 19:04:42,332 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 322 transitions, 989 flow [2024-11-08 19:04:42,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 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) [2024-11-08 19:04:42,333 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:42,333 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:42,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 19:04:42,333 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread_usbErr12ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:42,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:42,334 INFO L85 PathProgramCache]: Analyzing trace with hash -382069829, now seen corresponding path program 1 times [2024-11-08 19:04:42,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:42,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138963395] [2024-11-08 19:04:42,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:42,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:42,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:42,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:42,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138963395] [2024-11-08 19:04:42,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138963395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:42,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:42,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:04:42,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625505077] [2024-11-08 19:04:42,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:42,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:04:42,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:42,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:04:42,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:04:42,493 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 457 out of 514 [2024-11-08 19:04:42,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 322 transitions, 989 flow. Second operand has 5 states, 5 states have (on average 459.4) internal successors, (2297), 5 states have internal predecessors, (2297), 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) [2024-11-08 19:04:42,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:42,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 457 of 514 [2024-11-08 19:04:42,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:43,461 INFO L124 PetriNetUnfolderBase]: 557/4613 cut-off events. [2024-11-08 19:04:43,462 INFO L125 PetriNetUnfolderBase]: For 1450/1560 co-relation queries the response was YES. [2024-11-08 19:04:43,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6727 conditions, 4613 events. 557/4613 cut-off events. For 1450/1560 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 38993 event pairs, 50 based on Foata normal form. 8/4117 useless extension candidates. Maximal degree in co-relation 6647. Up to 285 conditions per place. [2024-11-08 19:04:43,509 INFO L140 encePairwiseOnDemand]: 506/514 looper letters, 32 selfloop transitions, 8 changer transitions 0/344 dead transitions. [2024-11-08 19:04:43,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 344 transitions, 1120 flow [2024-11-08 19:04:43,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:04:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 19:04:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3240 transitions. [2024-11-08 19:04:43,515 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9005002779321846 [2024-11-08 19:04:43,515 INFO L175 Difference]: Start difference. First operand has 287 places, 322 transitions, 989 flow. Second operand 7 states and 3240 transitions. [2024-11-08 19:04:43,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 344 transitions, 1120 flow [2024-11-08 19:04:43,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 344 transitions, 1090 flow, removed 6 selfloop flow, removed 2 redundant places. [2024-11-08 19:04:43,525 INFO L231 Difference]: Finished difference. Result has 296 places, 329 transitions, 1017 flow [2024-11-08 19:04:43,526 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1017, PETRI_PLACES=296, PETRI_TRANSITIONS=329} [2024-11-08 19:04:43,526 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -27 predicate places. [2024-11-08 19:04:43,526 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 329 transitions, 1017 flow [2024-11-08 19:04:43,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 459.4) internal successors, (2297), 5 states have internal predecessors, (2297), 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) [2024-11-08 19:04:43,528 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:43,528 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:43,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 19:04:43,528 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread_usbErr12ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:43,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:43,529 INFO L85 PathProgramCache]: Analyzing trace with hash -263125647, now seen corresponding path program 1 times [2024-11-08 19:04:43,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:43,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280069332] [2024-11-08 19:04:43,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:43,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:04:43,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:04:43,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280069332] [2024-11-08 19:04:43,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280069332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:04:43,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:04:43,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:04:43,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269381005] [2024-11-08 19:04:43,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:04:43,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:04:43,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:04:43,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:04:43,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:04:43,683 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 459 out of 514 [2024-11-08 19:04:43,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 329 transitions, 1017 flow. Second operand has 5 states, 5 states have (on average 461.0) internal successors, (2305), 5 states have internal predecessors, (2305), 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) [2024-11-08 19:04:43,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:04:43,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 459 of 514 [2024-11-08 19:04:43,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:04:44,865 INFO L124 PetriNetUnfolderBase]: 887/7750 cut-off events. [2024-11-08 19:04:44,865 INFO L125 PetriNetUnfolderBase]: For 2419/2620 co-relation queries the response was YES. [2024-11-08 19:04:44,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11498 conditions, 7750 events. 887/7750 cut-off events. For 2419/2620 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 74048 event pairs, 88 based on Foata normal form. 16/6951 useless extension candidates. Maximal degree in co-relation 11414. Up to 550 conditions per place. [2024-11-08 19:04:44,928 INFO L140 encePairwiseOnDemand]: 507/514 looper letters, 34 selfloop transitions, 9 changer transitions 0/356 dead transitions. [2024-11-08 19:04:44,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 356 transitions, 1168 flow [2024-11-08 19:04:44,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:04:44,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 19:04:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3257 transitions. [2024-11-08 19:04:44,935 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.905225125069483 [2024-11-08 19:04:44,935 INFO L175 Difference]: Start difference. First operand has 296 places, 329 transitions, 1017 flow. Second operand 7 states and 3257 transitions. [2024-11-08 19:04:44,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 356 transitions, 1168 flow [2024-11-08 19:04:44,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 356 transitions, 1168 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 19:04:44,945 INFO L231 Difference]: Finished difference. Result has 308 places, 337 transitions, 1085 flow [2024-11-08 19:04:44,946 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1017, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1085, PETRI_PLACES=308, PETRI_TRANSITIONS=337} [2024-11-08 19:04:44,946 INFO L277 CegarLoopForPetriNet]: 323 programPoint places, -15 predicate places. [2024-11-08 19:04:44,946 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 337 transitions, 1085 flow [2024-11-08 19:04:44,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 461.0) internal successors, (2305), 5 states have internal predecessors, (2305), 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) [2024-11-08 19:04:44,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:04:44,948 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:44,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 19:04:44,948 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-08 19:04:44,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:04:44,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1098603218, now seen corresponding path program 1 times [2024-11-08 19:04:44,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:04:44,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649688568] [2024-11-08 19:04:44,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:04:44,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:04:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:04:44,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:04:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:04:45,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:04:45,022 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:04:45,023 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (42 of 43 remaining) [2024-11-08 19:04:45,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (41 of 43 remaining) [2024-11-08 19:04:45,025 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (40 of 43 remaining) [2024-11-08 19:04:45,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 43 remaining) [2024-11-08 19:04:45,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 43 remaining) [2024-11-08 19:04:45,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 43 remaining) [2024-11-08 19:04:45,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 43 remaining) [2024-11-08 19:04:45,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 43 remaining) [2024-11-08 19:04:45,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (34 of 43 remaining) [2024-11-08 19:04:45,026 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 43 remaining) [2024-11-08 19:04:45,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 43 remaining) [2024-11-08 19:04:45,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 43 remaining) [2024-11-08 19:04:45,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (30 of 43 remaining) [2024-11-08 19:04:45,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr12ASSERT_VIOLATIONDATA_RACE (29 of 43 remaining) [2024-11-08 19:04:45,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (28 of 43 remaining) [2024-11-08 19:04:45,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr13ASSERT_VIOLATIONDATA_RACE (27 of 43 remaining) [2024-11-08 19:04:45,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (26 of 43 remaining) [2024-11-08 19:04:45,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr11ASSERT_VIOLATIONDATA_RACE (25 of 43 remaining) [2024-11-08 19:04:45,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (24 of 43 remaining) [2024-11-08 19:04:45,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (23 of 43 remaining) [2024-11-08 19:04:45,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (22 of 43 remaining) [2024-11-08 19:04:45,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (21 of 43 remaining) [2024-11-08 19:04:45,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (20 of 43 remaining) [2024-11-08 19:04:45,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (19 of 43 remaining) [2024-11-08 19:04:45,028 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (18 of 43 remaining) [2024-11-08 19:04:45,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (17 of 43 remaining) [2024-11-08 19:04:45,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 43 remaining) [2024-11-08 19:04:45,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (15 of 43 remaining) [2024-11-08 19:04:45,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (14 of 43 remaining) [2024-11-08 19:04:45,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr12ASSERT_VIOLATIONDATA_RACE (13 of 43 remaining) [2024-11-08 19:04:45,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (12 of 43 remaining) [2024-11-08 19:04:45,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr13ASSERT_VIOLATIONDATA_RACE (11 of 43 remaining) [2024-11-08 19:04:45,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (10 of 43 remaining) [2024-11-08 19:04:45,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr11ASSERT_VIOLATIONDATA_RACE (9 of 43 remaining) [2024-11-08 19:04:45,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (8 of 43 remaining) [2024-11-08 19:04:45,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (7 of 43 remaining) [2024-11-08 19:04:45,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (6 of 43 remaining) [2024-11-08 19:04:45,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (5 of 43 remaining) [2024-11-08 19:04:45,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (4 of 43 remaining) [2024-11-08 19:04:45,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (3 of 43 remaining) [2024-11-08 19:04:45,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (2 of 43 remaining) [2024-11-08 19:04:45,032 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (1 of 43 remaining) [2024-11-08 19:04:45,032 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 43 remaining) [2024-11-08 19:04:45,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 19:04:45,032 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:04:45,147 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 19:04:45,148 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:04:45,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:04:45 BasicIcfg [2024-11-08 19:04:45,154 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:04:45,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:04:45,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:04:45,155 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:04:45,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:32" (3/4) ... [2024-11-08 19:04:45,156 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:04:45,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:04:45,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:04:45,271 INFO L158 Benchmark]: Toolchain (without parser) took 14749.33ms. Allocated memory was 140.5MB in the beginning and 480.2MB in the end (delta: 339.7MB). Free memory was 81.2MB in the beginning and 159.8MB in the end (delta: -78.7MB). Peak memory consumption was 263.0MB. Max. memory is 16.1GB. [2024-11-08 19:04:45,272 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:04:45,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1189.47ms. Allocated memory is still 140.5MB. Free memory was 81.0MB in the beginning and 99.3MB in the end (delta: -18.3MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-08 19:04:45,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.10ms. Allocated memory is still 140.5MB. Free memory was 98.8MB in the beginning and 95.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:04:45,272 INFO L158 Benchmark]: Boogie Preprocessor took 54.33ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 91.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:04:45,273 INFO L158 Benchmark]: RCFGBuilder took 964.26ms. Allocated memory is still 140.5MB. Free memory was 91.9MB in the beginning and 61.0MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 19:04:45,273 INFO L158 Benchmark]: TraceAbstraction took 12324.61ms. Allocated memory was 140.5MB in the beginning and 480.2MB in the end (delta: 339.7MB). Free memory was 60.5MB in the beginning and 178.7MB in the end (delta: -118.2MB). Peak memory consumption was 221.6MB. Max. memory is 16.1GB. [2024-11-08 19:04:45,273 INFO L158 Benchmark]: Witness Printer took 116.31ms. Allocated memory is still 480.2MB. Free memory was 178.7MB in the beginning and 159.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 19:04:45,275 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1189.47ms. Allocated memory is still 140.5MB. Free memory was 81.0MB in the beginning and 99.3MB in the end (delta: -18.3MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.10ms. Allocated memory is still 140.5MB. Free memory was 98.8MB in the beginning and 95.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.33ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 91.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 964.26ms. Allocated memory is still 140.5MB. Free memory was 91.9MB in the beginning and 61.0MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12324.61ms. Allocated memory was 140.5MB in the beginning and 480.2MB in the end (delta: 339.7MB). Free memory was 60.5MB in the beginning and 178.7MB in the end (delta: -118.2MB). Peak memory consumption was 221.6MB. Max. memory is 16.1GB. * Witness Printer took 116.31ms. Allocated memory is still 480.2MB. Free memory was 178.7MB in the beginning and 159.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1699]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1, t2; VAL [t1=0, t2=0] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1=0, t2=0] [L1696] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1=0, t2=0] [L1741] 0 int ldv_usb_state; VAL [ldv_usb_state=0, mutex={3:0}, pdev=0, t1=0, t2=0] [L1798] CALL 0 module_init() [L1779] 0 pdev = 1 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=0, t2=0] [L1780] EXPR 0 pdev==1 [L1780] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=0, t2=0] [L1780] RET 0 ldv_assert(pdev==1) [L1781] COND TRUE 0 __VERIFIER_nondet_int() VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=0, t2=0] [L1782] 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1782] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1743] 1 ldv_usb_state = 0 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1744] 1 int probe_ret; VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1745] COND TRUE 1 1 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1747] 1 case 0: VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1748] 1 ldv_usb_state==0 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1747] 1 case 0: [L1749] CALL, EXPR 1 ath_ahb_probe() [L1730] 1 int error; [L1731] CALL, EXPR 1 ieee80211_register_hw() [L1717] COND TRUE 1 __VERIFIER_nondet_int() VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1718] 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1718] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1704] COND TRUE 2 1 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1706] 2 case 1: [L1707] CALL 2 ath9k_flush() [L1719] 1 return 0; VAL [\result=0, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1731] RET, EXPR 1 ieee80211_register_hw() [L1731] 1 error = ieee80211_register_hw() VAL [error=0, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1732] COND FALSE 1 !(\read(error)) VAL [error=0, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1734] 1 return 0; VAL [\result=0, error=0, ldv_usb_state=0, mutex={3:0}, pdev=1, t1=-1, t2=0] [L1749] RET, EXPR 1 ath_ahb_probe() [L1749] 1 probe_ret = ath_ahb_probe() VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, probe_ret=0, t1=-1, t2=0] [L1747] 1 case 0: VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=0, mutex={3:0}, pdev=1, probe_ret=0, t1=-1, t2=0] [L1752] 1 ldv_usb_state = 1 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=1, mutex={3:0}, pdev=1, probe_ret=0, t1=-1, t2=0] [L1753] 1 pdev = 7 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=1, mutex={3:0}, pdev=7, probe_ret=0, t1=-1, t2=0] [L1699] 2 pdev = 6 VAL [ldv_usb_state=1, mutex={3:0}, pdev=6, t1=-1, t2=0] [L1753] 1 pdev = 7 VAL [\old(arg)={0:0}, arg={0:0}, ldv_usb_state=1, mutex={3:0}, pdev=6, probe_ret=0, t1=-1, t2=0] [L1699] 2 pdev = 6 VAL [ldv_usb_state=1, mutex={3:0}, pdev=6, t1=-1, t2=0] Now there is a data race on ~pdev~0 between C: pdev = 7 [1753] and C: pdev = 6 [1699] - UnprovableResult [Line: 1700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1779]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1780]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1785]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1782]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1786]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1792]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1794]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1795]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1782]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1743]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1773]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1748]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1774]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1758]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1766]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1725]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1760]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1761]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1762]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1752]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1753]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1754]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 517 locations, 43 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: 12.0s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1300 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 454 mSDsluCounter, 275 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1332 IncrementalHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 224 mSDtfsCounter, 1332 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1085occurred in iteration=16, InterpolantAutomatonStates: 56, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1230 NumberOfCodeBlocks, 1230 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1099 ConstructedInterpolants, 0 QuantifiedInterpolants, 1179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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! [2024-11-08 19:04:45,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3677c39e-6784-41ff-83a0-7a9c1fd3dd3d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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