./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd --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 a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:44:51,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:44:51,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 12:44:51,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:44:51,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:44:51,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:44:51,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:44:51,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:44:51,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:44:51,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:44:51,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:44:51,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:44:51,836 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:44:51,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:44:51,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:44:51,837 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:44:51,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:44:51,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:44:51,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:44:51,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:44:51,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:44:51,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:44:51,837 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 12:44:51,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:44:51,837 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:44:51,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:44:51,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:44:51,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:44:51,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:44:51,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:44:51,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:44:51,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:44:51,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:44:51,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:44:51,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:44:51,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:44:51,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:44:51,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:44:51,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:44:51,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:44:51,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:44:51,839 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd 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 -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d [2024-11-13 12:44:52,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:44:52,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:44:52,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:44:52,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:44:52,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:44:52,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i Unable to find full path for "g++" [2024-11-13 12:44:54,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:44:54,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:44:54,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2024-11-13 12:44:54,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/data/a97c58258/7fbf14e31e444b2282046538e7ea3e6e/FLAG9685ba4a3 [2024-11-13 12:44:54,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/data/a97c58258/7fbf14e31e444b2282046538e7ea3e6e [2024-11-13 12:44:54,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:44:54,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:44:54,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:54,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:44:54,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:44:54,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:54" (1/1) ... [2024-11-13 12:44:54,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b963da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:54, skipping insertion in model container [2024-11-13 12:44:54,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:54" (1/1) ... [2024-11-13 12:44:54,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:44:55,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:55,473 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:44:55,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:55,725 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:44:55,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55 WrapperNode [2024-11-13 12:44:55,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:55,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:55,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:44:55,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:44:55,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,814 INFO L138 Inliner]: procedures = 488, calls = 40, calls flagged for inlining = 16, calls inlined = 21, statements flattened = 281 [2024-11-13 12:44:55,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:55,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:44:55,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:44:55,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:44:55,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:44:55,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:44:55,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:44:55,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:44:55,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (1/1) ... [2024-11-13 12:44:55,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:44:55,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:55,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:55,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:44:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-11-13 12:44:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-11-13 12:44:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:44:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-11-13 12:44:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-11-13 12:44:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 12:44:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:44:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 12:44:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:44:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:44:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 12:44:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 12:44:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 12:44:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:44:55,980 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:44:56,356 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:44:56,360 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:44:56,957 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:44:56,957 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:44:56,997 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:44:56,997 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 12:44:56,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:56 BoogieIcfgContainer [2024-11-13 12:44:56,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:44:57,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:44:57,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:44:57,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:44:57,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:44:54" (1/3) ... [2024-11-13 12:44:57,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702cefc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:44:57, skipping insertion in model container [2024-11-13 12:44:57,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:55" (2/3) ... [2024-11-13 12:44:57,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702cefc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:44:57, skipping insertion in model container [2024-11-13 12:44:57,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:56" (3/3) ... [2024-11-13 12:44:57,011 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2024-11-13 12:44:57,028 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:44:57,030 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG race-4_1-thread_local_vars.i that has 3 procedures, 301 locations, 1 initial locations, 2 loop locations, and 22 error locations. [2024-11-13 12:44:57,031 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:44:57,194 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-13 12:44:57,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 435 places, 473 transitions, 973 flow [2024-11-13 12:44:57,490 INFO L124 PetriNetUnfolderBase]: 41/479 cut-off events. [2024-11-13 12:44:57,493 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 12:44:57,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 479 events. 41/479 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1279 event pairs, 0 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 323. Up to 11 conditions per place. [2024-11-13 12:44:57,511 INFO L82 GeneralOperation]: Start removeDead. Operand has 435 places, 473 transitions, 973 flow [2024-11-13 12:44:57,525 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 306 places, 329 transitions, 674 flow [2024-11-13 12:44:57,539 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:44:57,560 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;@306d5dfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:44:57,561 INFO L334 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2024-11-13 12:44:57,569 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 12:44:57,570 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-11-13 12:44:57,570 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 12:44:57,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:44:57,571 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] [2024-11-13 12:44:57,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:44:57,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:57,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1598139515, now seen corresponding path program 1 times [2024-11-13 12:44:57,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:57,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877615966] [2024-11-13 12:44:57,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:57,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:58,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:44:58,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877615966] [2024-11-13 12:44:58,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877615966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:44:58,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:44:58,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:44:58,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133693775] [2024-11-13 12:44:58,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:44:58,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:44:58,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:44:58,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:44:58,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:44:58,222 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 473 [2024-11-13 12:44:58,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 329 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 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) [2024-11-13 12:44:58,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:44:58,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 473 [2024-11-13 12:44:58,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:44:58,495 INFO L124 PetriNetUnfolderBase]: 82/949 cut-off events. [2024-11-13 12:44:58,496 INFO L125 PetriNetUnfolderBase]: For 27/35 co-relation queries the response was YES. [2024-11-13 12:44:58,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 949 events. 82/949 cut-off events. For 27/35 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4771 event pairs, 48 based on Foata normal form. 73/886 useless extension candidates. Maximal degree in co-relation 765. Up to 125 conditions per place. [2024-11-13 12:44:58,510 INFO L140 encePairwiseOnDemand]: 454/473 looper letters, 22 selfloop transitions, 2 changer transitions 6/300 dead transitions. [2024-11-13 12:44:58,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 300 transitions, 664 flow [2024-11-13 12:44:58,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:44:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:44:58,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1274 transitions. [2024-11-13 12:44:58,536 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.897815362931642 [2024-11-13 12:44:58,538 INFO L175 Difference]: Start difference. First operand has 306 places, 329 transitions, 674 flow. Second operand 3 states and 1274 transitions. [2024-11-13 12:44:58,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 300 transitions, 664 flow [2024-11-13 12:44:58,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 300 transitions, 660 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:44:58,558 INFO L231 Difference]: Finished difference. Result has 293 places, 294 transitions, 604 flow [2024-11-13 12:44:58,561 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=293, PETRI_TRANSITIONS=294} [2024-11-13 12:44:58,567 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -13 predicate places. [2024-11-13 12:44:58,568 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 294 transitions, 604 flow [2024-11-13 12:44:58,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 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) [2024-11-13 12:44:58,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:44:58,569 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] [2024-11-13 12:44:58,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:44:58,570 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:44:58,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:58,572 INFO L85 PathProgramCache]: Analyzing trace with hash 462555932, now seen corresponding path program 1 times [2024-11-13 12:44:58,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:58,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577145580] [2024-11-13 12:44:58,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:58,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:58,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:44:58,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577145580] [2024-11-13 12:44:58,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577145580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:44:58,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:44:58,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:44:58,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908572871] [2024-11-13 12:44:58,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:44:58,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:44:58,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:44:58,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:44:58,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:44:58,840 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 473 [2024-11-13 12:44:58,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 294 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 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) [2024-11-13 12:44:58,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:44:58,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 473 [2024-11-13 12:44:58,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:44:59,104 INFO L124 PetriNetUnfolderBase]: 83/954 cut-off events. [2024-11-13 12:44:59,105 INFO L125 PetriNetUnfolderBase]: For 14/19 co-relation queries the response was YES. [2024-11-13 12:44:59,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1118 conditions, 954 events. 83/954 cut-off events. For 14/19 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4783 event pairs, 21 based on Foata normal form. 1/841 useless extension candidates. Maximal degree in co-relation 1081. Up to 112 conditions per place. [2024-11-13 12:44:59,112 INFO L140 encePairwiseOnDemand]: 453/473 looper letters, 26 selfloop transitions, 14 changer transitions 0/303 dead transitions. [2024-11-13 12:44:59,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 303 transitions, 703 flow [2024-11-13 12:44:59,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:44:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:44:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1249 transitions. [2024-11-13 12:44:59,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8801973220577872 [2024-11-13 12:44:59,121 INFO L175 Difference]: Start difference. First operand has 293 places, 294 transitions, 604 flow. Second operand 3 states and 1249 transitions. [2024-11-13 12:44:59,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 303 transitions, 703 flow [2024-11-13 12:44:59,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 303 transitions, 699 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:44:59,132 INFO L231 Difference]: Finished difference. Result has 286 places, 300 transitions, 692 flow [2024-11-13 12:44:59,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=286, PETRI_TRANSITIONS=300} [2024-11-13 12:44:59,134 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -20 predicate places. [2024-11-13 12:44:59,134 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 300 transitions, 692 flow [2024-11-13 12:44:59,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 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) [2024-11-13 12:44:59,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:44:59,136 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] [2024-11-13 12:44:59,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:44:59,136 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:44:59,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:59,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1870170536, now seen corresponding path program 1 times [2024-11-13 12:44:59,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:59,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666475743] [2024-11-13 12:44:59,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:59,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:59,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:44:59,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666475743] [2024-11-13 12:44:59,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666475743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:44:59,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:44:59,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:44:59,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950874313] [2024-11-13 12:44:59,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:44:59,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:44:59,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:44:59,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:44:59,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:44:59,405 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 473 [2024-11-13 12:44:59,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 300 transitions, 692 flow. Second operand has 3 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 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) [2024-11-13 12:44:59,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:44:59,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 473 [2024-11-13 12:44:59,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:44:59,682 INFO L124 PetriNetUnfolderBase]: 137/1402 cut-off events. [2024-11-13 12:44:59,682 INFO L125 PetriNetUnfolderBase]: For 273/311 co-relation queries the response was YES. [2024-11-13 12:44:59,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1855 conditions, 1402 events. 137/1402 cut-off events. For 273/311 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8697 event pairs, 61 based on Foata normal form. 0/1230 useless extension candidates. Maximal degree in co-relation 1443. Up to 203 conditions per place. [2024-11-13 12:44:59,695 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 28 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2024-11-13 12:44:59,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 299 transitions, 750 flow [2024-11-13 12:44:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:44:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:44:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2024-11-13 12:44:59,703 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8865398167723749 [2024-11-13 12:44:59,703 INFO L175 Difference]: Start difference. First operand has 286 places, 300 transitions, 692 flow. Second operand 3 states and 1258 transitions. [2024-11-13 12:44:59,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 299 transitions, 750 flow [2024-11-13 12:44:59,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 299 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:44:59,711 INFO L231 Difference]: Finished difference. Result has 285 places, 299 transitions, 666 flow [2024-11-13 12:44:59,711 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=285, PETRI_TRANSITIONS=299} [2024-11-13 12:44:59,713 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -21 predicate places. [2024-11-13 12:44:59,713 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 299 transitions, 666 flow [2024-11-13 12:44:59,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 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) [2024-11-13 12:44:59,714 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:44:59,715 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] [2024-11-13 12:44:59,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:44:59,715 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:44:59,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:59,716 INFO L85 PathProgramCache]: Analyzing trace with hash 384430218, now seen corresponding path program 1 times [2024-11-13 12:44:59,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:59,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836323796] [2024-11-13 12:44:59,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:59,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:59,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:59,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:44:59,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836323796] [2024-11-13 12:44:59,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836323796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:44:59,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:44:59,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:44:59,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771427323] [2024-11-13 12:44:59,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:44:59,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:44:59,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:44:59,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:44:59,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:44:59,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 473 [2024-11-13 12:44:59,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 299 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 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) [2024-11-13 12:44:59,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:44:59,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 473 [2024-11-13 12:44:59,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:00,141 INFO L124 PetriNetUnfolderBase]: 99/1143 cut-off events. [2024-11-13 12:45:00,142 INFO L125 PetriNetUnfolderBase]: For 24/55 co-relation queries the response was YES. [2024-11-13 12:45:00,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1374 conditions, 1143 events. 99/1143 cut-off events. For 24/55 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6724 event pairs, 9 based on Foata normal form. 4/994 useless extension candidates. Maximal degree in co-relation 1335. Up to 98 conditions per place. [2024-11-13 12:45:00,153 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 17 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-11-13 12:45:00,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 303 transitions, 721 flow [2024-11-13 12:45:00,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-11-13 12:45:00,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9126145172656801 [2024-11-13 12:45:00,159 INFO L175 Difference]: Start difference. First operand has 285 places, 299 transitions, 666 flow. Second operand 3 states and 1295 transitions. [2024-11-13 12:45:00,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 303 transitions, 721 flow [2024-11-13 12:45:00,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 303 transitions, 717 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:45:00,170 INFO L231 Difference]: Finished difference. Result has 284 places, 298 transitions, 664 flow [2024-11-13 12:45:00,170 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=664, PETRI_PLACES=284, PETRI_TRANSITIONS=298} [2024-11-13 12:45:00,172 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -22 predicate places. [2024-11-13 12:45:00,172 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 298 transitions, 664 flow [2024-11-13 12:45:00,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 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) [2024-11-13 12:45:00,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:00,173 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] [2024-11-13 12:45:00,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:45:00,174 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:00,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:00,174 INFO L85 PathProgramCache]: Analyzing trace with hash -631820297, now seen corresponding path program 1 times [2024-11-13 12:45:00,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:00,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653242176] [2024-11-13 12:45:00,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:00,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:00,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:00,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653242176] [2024-11-13 12:45:00,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653242176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:00,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:00,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:00,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065509422] [2024-11-13 12:45:00,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:00,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:00,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:00,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:00,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:00,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 473 [2024-11-13 12:45:00,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 298 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2024-11-13 12:45:00,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:00,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 473 [2024-11-13 12:45:00,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:00,564 INFO L124 PetriNetUnfolderBase]: 78/1015 cut-off events. [2024-11-13 12:45:00,564 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-13 12:45:00,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 1015 events. 78/1015 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5514 event pairs, 19 based on Foata normal form. 0/893 useless extension candidates. Maximal degree in co-relation 1100. Up to 67 conditions per place. [2024-11-13 12:45:00,571 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 14 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2024-11-13 12:45:00,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 297 transitions, 694 flow [2024-11-13 12:45:00,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:00,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:00,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2024-11-13 12:45:00,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8957011980267794 [2024-11-13 12:45:00,575 INFO L175 Difference]: Start difference. First operand has 284 places, 298 transitions, 664 flow. Second operand 3 states and 1271 transitions. [2024-11-13 12:45:00,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 297 transitions, 694 flow [2024-11-13 12:45:00,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 297 transitions, 690 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:45:00,581 INFO L231 Difference]: Finished difference. Result has 283 places, 297 transitions, 662 flow [2024-11-13 12:45:00,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=662, PETRI_PLACES=283, PETRI_TRANSITIONS=297} [2024-11-13 12:45:00,582 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -23 predicate places. [2024-11-13 12:45:00,583 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 297 transitions, 662 flow [2024-11-13 12:45:00,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 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) [2024-11-13 12:45:00,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:00,584 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] [2024-11-13 12:45:00,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:45:00,584 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:00,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:00,585 INFO L85 PathProgramCache]: Analyzing trace with hash 761747274, now seen corresponding path program 1 times [2024-11-13 12:45:00,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:00,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721257048] [2024-11-13 12:45:00,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:00,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:00,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:00,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721257048] [2024-11-13 12:45:00,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721257048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:00,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:00,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:00,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714377084] [2024-11-13 12:45:00,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:00,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:00,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:00,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:00,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:00,723 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 473 [2024-11-13 12:45:00,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 297 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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) [2024-11-13 12:45:00,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:00,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 473 [2024-11-13 12:45:00,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:00,932 INFO L124 PetriNetUnfolderBase]: 85/927 cut-off events. [2024-11-13 12:45:00,933 INFO L125 PetriNetUnfolderBase]: For 17/39 co-relation queries the response was YES. [2024-11-13 12:45:00,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1125 conditions, 927 events. 85/927 cut-off events. For 17/39 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4908 event pairs, 9 based on Foata normal form. 4/822 useless extension candidates. Maximal degree in co-relation 1024. Up to 69 conditions per place. [2024-11-13 12:45:00,938 INFO L140 encePairwiseOnDemand]: 471/473 looper letters, 14 selfloop transitions, 1 changer transitions 19/301 dead transitions. [2024-11-13 12:45:00,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 301 transitions, 709 flow [2024-11-13 12:45:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:00,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:00,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1303 transitions. [2024-11-13 12:45:00,942 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9182522903453136 [2024-11-13 12:45:00,942 INFO L175 Difference]: Start difference. First operand has 283 places, 297 transitions, 662 flow. Second operand 3 states and 1303 transitions. [2024-11-13 12:45:00,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 301 transitions, 709 flow [2024-11-13 12:45:00,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 301 transitions, 705 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:45:00,948 INFO L231 Difference]: Finished difference. Result has 282 places, 277 transitions, 616 flow [2024-11-13 12:45:00,948 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=282, PETRI_TRANSITIONS=277} [2024-11-13 12:45:00,949 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -24 predicate places. [2024-11-13 12:45:00,949 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 277 transitions, 616 flow [2024-11-13 12:45:00,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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) [2024-11-13 12:45:00,950 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:00,950 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] [2024-11-13 12:45:00,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 12:45:00,951 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:00,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:00,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1481992668, now seen corresponding path program 1 times [2024-11-13 12:45:00,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:00,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51746832] [2024-11-13 12:45:00,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:00,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:01,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:01,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51746832] [2024-11-13 12:45:01,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51746832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:01,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:01,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:01,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670984908] [2024-11-13 12:45:01,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:01,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:01,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:01,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:01,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:01,098 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 473 [2024-11-13 12:45:01,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 277 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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) [2024-11-13 12:45:01,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:01,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 473 [2024-11-13 12:45:01,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:01,284 INFO L124 PetriNetUnfolderBase]: 101/1145 cut-off events. [2024-11-13 12:45:01,285 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-13 12:45:01,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1357 conditions, 1145 events. 101/1145 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6619 event pairs, 23 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 1281. Up to 83 conditions per place. [2024-11-13 12:45:01,293 INFO L140 encePairwiseOnDemand]: 465/473 looper letters, 16 selfloop transitions, 5 changer transitions 0/279 dead transitions. [2024-11-13 12:45:01,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 279 transitions, 662 flow [2024-11-13 12:45:01,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1254 transitions. [2024-11-13 12:45:01,297 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8837209302325582 [2024-11-13 12:45:01,297 INFO L175 Difference]: Start difference. First operand has 282 places, 277 transitions, 616 flow. Second operand 3 states and 1254 transitions. [2024-11-13 12:45:01,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 279 transitions, 662 flow [2024-11-13 12:45:01,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 279 transitions, 661 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 12:45:01,303 INFO L231 Difference]: Finished difference. Result has 263 places, 277 transitions, 636 flow [2024-11-13 12:45:01,304 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=263, PETRI_TRANSITIONS=277} [2024-11-13 12:45:01,304 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -43 predicate places. [2024-11-13 12:45:01,305 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 277 transitions, 636 flow [2024-11-13 12:45:01,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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) [2024-11-13 12:45:01,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:01,306 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] [2024-11-13 12:45:01,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 12:45:01,306 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:01,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:01,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1454773210, now seen corresponding path program 1 times [2024-11-13 12:45:01,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:01,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292290144] [2024-11-13 12:45:01,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:01,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:01,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:01,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292290144] [2024-11-13 12:45:01,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292290144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:01,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:01,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:45:01,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817248706] [2024-11-13 12:45:01,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:01,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:01,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:01,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:01,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:01,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 473 [2024-11-13 12:45:01,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 277 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 418.3333333333333) internal successors, (1255), 3 states have internal predecessors, (1255), 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) [2024-11-13 12:45:01,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:01,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 473 [2024-11-13 12:45:01,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:01,691 INFO L124 PetriNetUnfolderBase]: 103/1077 cut-off events. [2024-11-13 12:45:01,692 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 12:45:01,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1306 conditions, 1077 events. 103/1077 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5929 event pairs, 14 based on Foata normal form. 1/948 useless extension candidates. Maximal degree in co-relation 1229. Up to 63 conditions per place. [2024-11-13 12:45:01,700 INFO L140 encePairwiseOnDemand]: 465/473 looper letters, 15 selfloop transitions, 5 changer transitions 0/281 dead transitions. [2024-11-13 12:45:01,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 281 transitions, 684 flow [2024-11-13 12:45:01,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:01,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1274 transitions. [2024-11-13 12:45:01,704 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.897815362931642 [2024-11-13 12:45:01,705 INFO L175 Difference]: Start difference. First operand has 263 places, 277 transitions, 636 flow. Second operand 3 states and 1274 transitions. [2024-11-13 12:45:01,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 281 transitions, 684 flow [2024-11-13 12:45:01,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 281 transitions, 679 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 12:45:01,711 INFO L231 Difference]: Finished difference. Result has 266 places, 279 transitions, 665 flow [2024-11-13 12:45:01,712 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=665, PETRI_PLACES=266, PETRI_TRANSITIONS=279} [2024-11-13 12:45:01,713 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -40 predicate places. [2024-11-13 12:45:01,713 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 279 transitions, 665 flow [2024-11-13 12:45:01,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.3333333333333) internal successors, (1255), 3 states have internal predecessors, (1255), 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) [2024-11-13 12:45:01,714 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:01,714 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] [2024-11-13 12:45:01,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 12:45:01,714 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread_usbErr10ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:01,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:01,715 INFO L85 PathProgramCache]: Analyzing trace with hash -551796038, now seen corresponding path program 1 times [2024-11-13 12:45:01,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:01,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508187301] [2024-11-13 12:45:01,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:01,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:01,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:01,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508187301] [2024-11-13 12:45:01,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508187301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:01,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:01,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:01,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543305176] [2024-11-13 12:45:01,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:01,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:01,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:01,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:01,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:01,956 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 473 [2024-11-13 12:45:01,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 279 transitions, 665 flow. Second operand has 3 states, 3 states have (on average 416.0) internal successors, (1248), 3 states have internal predecessors, (1248), 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) [2024-11-13 12:45:01,959 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:01,959 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 473 [2024-11-13 12:45:01,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:02,178 INFO L124 PetriNetUnfolderBase]: 120/1107 cut-off events. [2024-11-13 12:45:02,178 INFO L125 PetriNetUnfolderBase]: For 87/100 co-relation queries the response was YES. [2024-11-13 12:45:02,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1452 conditions, 1107 events. 120/1107 cut-off events. For 87/100 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5999 event pairs, 28 based on Foata normal form. 2/983 useless extension candidates. Maximal degree in co-relation 1370. Up to 137 conditions per place. [2024-11-13 12:45:02,187 INFO L140 encePairwiseOnDemand]: 467/473 looper letters, 26 selfloop transitions, 8 changer transitions 0/287 dead transitions. [2024-11-13 12:45:02,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 287 transitions, 759 flow [2024-11-13 12:45:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2024-11-13 12:45:02,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8942917547568711 [2024-11-13 12:45:02,192 INFO L175 Difference]: Start difference. First operand has 266 places, 279 transitions, 665 flow. Second operand 3 states and 1269 transitions. [2024-11-13 12:45:02,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 287 transitions, 759 flow [2024-11-13 12:45:02,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 287 transitions, 749 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:45:02,199 INFO L231 Difference]: Finished difference. Result has 268 places, 285 transitions, 723 flow [2024-11-13 12:45:02,199 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=655, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=268, PETRI_TRANSITIONS=285} [2024-11-13 12:45:02,201 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -38 predicate places. [2024-11-13 12:45:02,201 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 285 transitions, 723 flow [2024-11-13 12:45:02,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.0) internal successors, (1248), 3 states have internal predecessors, (1248), 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) [2024-11-13 12:45:02,202 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:02,203 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] [2024-11-13 12:45:02,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 12:45:02,203 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread_usbErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:02,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:02,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1445788737, now seen corresponding path program 1 times [2024-11-13 12:45:02,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:02,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857286740] [2024-11-13 12:45:02,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:02,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:02,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:02,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857286740] [2024-11-13 12:45:02,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857286740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:02,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:02,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:02,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955415183] [2024-11-13 12:45:02,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:02,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:02,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:02,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:02,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:02,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 473 [2024-11-13 12:45:02,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 285 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 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) [2024-11-13 12:45:02,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:02,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 473 [2024-11-13 12:45:02,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:02,563 INFO L124 PetriNetUnfolderBase]: 114/1192 cut-off events. [2024-11-13 12:45:02,563 INFO L125 PetriNetUnfolderBase]: For 82/93 co-relation queries the response was YES. [2024-11-13 12:45:02,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1539 conditions, 1192 events. 114/1192 cut-off events. For 82/93 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6776 event pairs, 14 based on Foata normal form. 0/1061 useless extension candidates. Maximal degree in co-relation 1459. Up to 73 conditions per place. [2024-11-13 12:45:02,572 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 14 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2024-11-13 12:45:02,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 286 transitions, 757 flow [2024-11-13 12:45:02,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-11-13 12:45:02,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9062720225510923 [2024-11-13 12:45:02,576 INFO L175 Difference]: Start difference. First operand has 268 places, 285 transitions, 723 flow. Second operand 3 states and 1286 transitions. [2024-11-13 12:45:02,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 286 transitions, 757 flow [2024-11-13 12:45:02,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 286 transitions, 741 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:45:02,583 INFO L231 Difference]: Finished difference. Result has 267 places, 284 transitions, 709 flow [2024-11-13 12:45:02,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=709, PETRI_PLACES=267, PETRI_TRANSITIONS=284} [2024-11-13 12:45:02,585 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -39 predicate places. [2024-11-13 12:45:02,585 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 284 transitions, 709 flow [2024-11-13 12:45:02,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 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) [2024-11-13 12:45:02,586 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:02,586 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] [2024-11-13 12:45:02,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 12:45:02,587 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread_usbErr3ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:02,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:02,587 INFO L85 PathProgramCache]: Analyzing trace with hash -656913644, now seen corresponding path program 1 times [2024-11-13 12:45:02,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:02,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668258499] [2024-11-13 12:45:02,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:02,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:02,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:02,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668258499] [2024-11-13 12:45:02,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668258499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:02,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:02,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:02,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117620708] [2024-11-13 12:45:02,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:02,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:02,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:02,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:02,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:02,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 473 [2024-11-13 12:45:02,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 284 transitions, 709 flow. Second operand has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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) [2024-11-13 12:45:02,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:02,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 473 [2024-11-13 12:45:02,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:02,992 INFO L124 PetriNetUnfolderBase]: 136/1238 cut-off events. [2024-11-13 12:45:02,992 INFO L125 PetriNetUnfolderBase]: For 93/112 co-relation queries the response was YES. [2024-11-13 12:45:02,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1617 conditions, 1238 events. 136/1238 cut-off events. For 93/112 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7327 event pairs, 22 based on Foata normal form. 0/1095 useless extension candidates. Maximal degree in co-relation 1537. Up to 92 conditions per place. [2024-11-13 12:45:03,001 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 19 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-13 12:45:03,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 285 transitions, 753 flow [2024-11-13 12:45:03,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2024-11-13 12:45:03,004 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8971106412966878 [2024-11-13 12:45:03,004 INFO L175 Difference]: Start difference. First operand has 267 places, 284 transitions, 709 flow. Second operand 3 states and 1273 transitions. [2024-11-13 12:45:03,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 285 transitions, 753 flow [2024-11-13 12:45:03,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 285 transitions, 749 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:45:03,010 INFO L231 Difference]: Finished difference. Result has 266 places, 283 transitions, 707 flow [2024-11-13 12:45:03,010 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=707, PETRI_PLACES=266, PETRI_TRANSITIONS=283} [2024-11-13 12:45:03,011 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -40 predicate places. [2024-11-13 12:45:03,011 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 283 transitions, 707 flow [2024-11-13 12:45:03,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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) [2024-11-13 12:45:03,012 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:03,012 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] [2024-11-13 12:45:03,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 12:45:03,012 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:03,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:03,013 INFO L85 PathProgramCache]: Analyzing trace with hash -2119533208, now seen corresponding path program 1 times [2024-11-13 12:45:03,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:03,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761054991] [2024-11-13 12:45:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:03,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:03,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:03,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:03,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761054991] [2024-11-13 12:45:03,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761054991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:03,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:03,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:03,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79929452] [2024-11-13 12:45:03,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:03,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:03,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:03,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:03,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:03,216 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 473 [2024-11-13 12:45:03,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 283 transitions, 707 flow. Second operand has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2024-11-13 12:45:03,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:03,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 473 [2024-11-13 12:45:03,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:03,425 INFO L124 PetriNetUnfolderBase]: 168/1255 cut-off events. [2024-11-13 12:45:03,425 INFO L125 PetriNetUnfolderBase]: For 272/349 co-relation queries the response was YES. [2024-11-13 12:45:03,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1855 conditions, 1255 events. 168/1255 cut-off events. For 272/349 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7392 event pairs, 39 based on Foata normal form. 8/1130 useless extension candidates. Maximal degree in co-relation 1773. Up to 236 conditions per place. [2024-11-13 12:45:03,437 INFO L140 encePairwiseOnDemand]: 465/473 looper letters, 31 selfloop transitions, 12 changer transitions 0/292 dead transitions. [2024-11-13 12:45:03,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 292 transitions, 830 flow [2024-11-13 12:45:03,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:03,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1264 transitions. [2024-11-13 12:45:03,441 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8907681465821 [2024-11-13 12:45:03,441 INFO L175 Difference]: Start difference. First operand has 266 places, 283 transitions, 707 flow. Second operand 3 states and 1264 transitions. [2024-11-13 12:45:03,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 292 transitions, 830 flow [2024-11-13 12:45:03,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 292 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:45:03,447 INFO L231 Difference]: Finished difference. Result has 268 places, 291 transitions, 803 flow [2024-11-13 12:45:03,448 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=803, PETRI_PLACES=268, PETRI_TRANSITIONS=291} [2024-11-13 12:45:03,449 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -38 predicate places. [2024-11-13 12:45:03,449 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 291 transitions, 803 flow [2024-11-13 12:45:03,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2024-11-13 12:45:03,450 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:03,450 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] [2024-11-13 12:45:03,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 12:45:03,450 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:03,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:03,450 INFO L85 PathProgramCache]: Analyzing trace with hash -748600697, now seen corresponding path program 1 times [2024-11-13 12:45:03,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:03,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987047599] [2024-11-13 12:45:03,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:03,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:03,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:03,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987047599] [2024-11-13 12:45:03,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987047599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:03,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:03,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:03,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350232297] [2024-11-13 12:45:03,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:03,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:03,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:03,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:03,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:03,658 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 473 [2024-11-13 12:45:03,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 291 transitions, 803 flow. Second operand has 3 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 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) [2024-11-13 12:45:03,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:03,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 473 [2024-11-13 12:45:03,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:03,946 INFO L124 PetriNetUnfolderBase]: 278/1849 cut-off events. [2024-11-13 12:45:03,946 INFO L125 PetriNetUnfolderBase]: For 941/1026 co-relation queries the response was YES. [2024-11-13 12:45:03,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3008 conditions, 1849 events. 278/1849 cut-off events. For 941/1026 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12893 event pairs, 86 based on Foata normal form. 8/1676 useless extension candidates. Maximal degree in co-relation 2614. Up to 358 conditions per place. [2024-11-13 12:45:03,959 INFO L140 encePairwiseOnDemand]: 467/473 looper letters, 38 selfloop transitions, 9 changer transitions 1/298 dead transitions. [2024-11-13 12:45:03,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 298 transitions, 931 flow [2024-11-13 12:45:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:03,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:03,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2024-11-13 12:45:03,963 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8900634249471459 [2024-11-13 12:45:03,963 INFO L175 Difference]: Start difference. First operand has 268 places, 291 transitions, 803 flow. Second operand 3 states and 1263 transitions. [2024-11-13 12:45:03,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 298 transitions, 931 flow [2024-11-13 12:45:03,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 298 transitions, 903 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:45:03,972 INFO L231 Difference]: Finished difference. Result has 270 places, 295 transitions, 849 flow [2024-11-13 12:45:03,972 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=849, PETRI_PLACES=270, PETRI_TRANSITIONS=295} [2024-11-13 12:45:03,973 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -36 predicate places. [2024-11-13 12:45:03,974 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 295 transitions, 849 flow [2024-11-13 12:45:03,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 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) [2024-11-13 12:45:03,975 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:03,975 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:03,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 12:45:03,976 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread_usbErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:03,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:03,976 INFO L85 PathProgramCache]: Analyzing trace with hash 184649898, now seen corresponding path program 1 times [2024-11-13 12:45:03,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:03,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270026405] [2024-11-13 12:45:03,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:03,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:45:04,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:04,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270026405] [2024-11-13 12:45:04,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270026405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:04,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:04,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:04,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002091177] [2024-11-13 12:45:04,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:04,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:04,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:04,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:04,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:04,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 473 [2024-11-13 12:45:04,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 295 transitions, 849 flow. Second operand has 3 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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) [2024-11-13 12:45:04,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:04,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 473 [2024-11-13 12:45:04,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:04,389 INFO L124 PetriNetUnfolderBase]: 152/1469 cut-off events. [2024-11-13 12:45:04,389 INFO L125 PetriNetUnfolderBase]: For 403/442 co-relation queries the response was YES. [2024-11-13 12:45:04,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2105 conditions, 1469 events. 152/1469 cut-off events. For 403/442 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8356 event pairs, 16 based on Foata normal form. 2/1326 useless extension candidates. Maximal degree in co-relation 2023. Up to 104 conditions per place. [2024-11-13 12:45:04,404 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 11 selfloop transitions, 2 changer transitions 2/299 dead transitions. [2024-11-13 12:45:04,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 299 transitions, 888 flow [2024-11-13 12:45:04,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2024-11-13 12:45:04,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9097956307258633 [2024-11-13 12:45:04,408 INFO L175 Difference]: Start difference. First operand has 270 places, 295 transitions, 849 flow. Second operand 3 states and 1291 transitions. [2024-11-13 12:45:04,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 299 transitions, 888 flow [2024-11-13 12:45:04,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 299 transitions, 864 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-13 12:45:04,416 INFO L231 Difference]: Finished difference. Result has 270 places, 295 transitions, 833 flow [2024-11-13 12:45:04,416 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=833, PETRI_PLACES=270, PETRI_TRANSITIONS=295} [2024-11-13 12:45:04,417 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -36 predicate places. [2024-11-13 12:45:04,417 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 295 transitions, 833 flow [2024-11-13 12:45:04,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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) [2024-11-13 12:45:04,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:04,418 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] [2024-11-13 12:45:04,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 12:45:04,418 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread_usbErr10ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:04,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:04,420 INFO L85 PathProgramCache]: Analyzing trace with hash -385425988, now seen corresponding path program 1 times [2024-11-13 12:45:04,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:04,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813239387] [2024-11-13 12:45:04,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:04,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:04,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:04,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813239387] [2024-11-13 12:45:04,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813239387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:04,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:04,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:45:04,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435530174] [2024-11-13 12:45:04,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:04,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:45:04,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:04,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:45:04,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:04,616 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 473 [2024-11-13 12:45:04,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 295 transitions, 833 flow. Second operand has 5 states, 5 states have (on average 426.0) internal successors, (2130), 5 states have internal predecessors, (2130), 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) [2024-11-13 12:45:04,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:04,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 473 [2024-11-13 12:45:04,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:05,395 INFO L124 PetriNetUnfolderBase]: 441/4184 cut-off events. [2024-11-13 12:45:05,395 INFO L125 PetriNetUnfolderBase]: For 940/1034 co-relation queries the response was YES. [2024-11-13 12:45:05,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6021 conditions, 4184 events. 441/4184 cut-off events. For 940/1034 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 35785 event pairs, 46 based on Foata normal form. 8/3789 useless extension candidates. Maximal degree in co-relation 5938. Up to 323 conditions per place. [2024-11-13 12:45:05,420 INFO L140 encePairwiseOnDemand]: 466/473 looper letters, 34 selfloop transitions, 9 changer transitions 0/322 dead transitions. [2024-11-13 12:45:05,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 322 transitions, 984 flow [2024-11-13 12:45:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:45:05,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-13 12:45:05,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3012 transitions. [2024-11-13 12:45:05,427 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9096949562065841 [2024-11-13 12:45:05,427 INFO L175 Difference]: Start difference. First operand has 270 places, 295 transitions, 833 flow. Second operand 7 states and 3012 transitions. [2024-11-13 12:45:05,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 322 transitions, 984 flow [2024-11-13 12:45:05,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 322 transitions, 982 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 12:45:05,438 INFO L231 Difference]: Finished difference. Result has 281 places, 303 transitions, 899 flow [2024-11-13 12:45:05,439 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=831, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=899, PETRI_PLACES=281, PETRI_TRANSITIONS=303} [2024-11-13 12:45:05,439 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -25 predicate places. [2024-11-13 12:45:05,439 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 303 transitions, 899 flow [2024-11-13 12:45:05,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 426.0) internal successors, (2130), 5 states have internal predecessors, (2130), 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) [2024-11-13 12:45:05,441 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:05,441 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] [2024-11-13 12:45:05,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 12:45:05,441 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread_usbErr10ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:05,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:05,442 INFO L85 PathProgramCache]: Analyzing trace with hash 195086438, now seen corresponding path program 1 times [2024-11-13 12:45:05,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:05,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427760200] [2024-11-13 12:45:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:05,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:05,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427760200] [2024-11-13 12:45:05,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427760200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:05,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:05,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:45:05,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945787146] [2024-11-13 12:45:05,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:05,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:45:05,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:05,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:45:05,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:05,646 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 473 [2024-11-13 12:45:05,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 303 transitions, 899 flow. Second operand has 5 states, 5 states have (on average 424.4) internal successors, (2122), 5 states have internal predecessors, (2122), 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) [2024-11-13 12:45:05,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:05,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 473 [2024-11-13 12:45:05,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:06,801 INFO L124 PetriNetUnfolderBase]: 604/5473 cut-off events. [2024-11-13 12:45:06,801 INFO L125 PetriNetUnfolderBase]: For 1187/1287 co-relation queries the response was YES. [2024-11-13 12:45:06,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7913 conditions, 5473 events. 604/5473 cut-off events. For 1187/1287 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 48937 event pairs, 61 based on Foata normal form. 8/4948 useless extension candidates. Maximal degree in co-relation 7825. Up to 404 conditions per place. [2024-11-13 12:45:06,843 INFO L140 encePairwiseOnDemand]: 465/473 looper letters, 32 selfloop transitions, 8 changer transitions 0/325 dead transitions. [2024-11-13 12:45:06,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 325 transitions, 1030 flow [2024-11-13 12:45:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:45:06,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-13 12:45:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2995 transitions. [2024-11-13 12:45:06,852 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9045605557233464 [2024-11-13 12:45:06,852 INFO L175 Difference]: Start difference. First operand has 281 places, 303 transitions, 899 flow. Second operand 7 states and 2995 transitions. [2024-11-13 12:45:06,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 325 transitions, 1030 flow [2024-11-13 12:45:06,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 325 transitions, 1030 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 12:45:06,863 INFO L231 Difference]: Finished difference. Result has 292 places, 310 transitions, 957 flow [2024-11-13 12:45:06,865 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=957, PETRI_PLACES=292, PETRI_TRANSITIONS=310} [2024-11-13 12:45:06,865 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -14 predicate places. [2024-11-13 12:45:06,865 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 310 transitions, 957 flow [2024-11-13 12:45:06,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 424.4) internal successors, (2122), 5 states have internal predecessors, (2122), 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) [2024-11-13 12:45:06,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:06,869 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:06,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 12:45:06,869 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:06,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:06,869 INFO L85 PathProgramCache]: Analyzing trace with hash 627926736, now seen corresponding path program 1 times [2024-11-13 12:45:06,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:06,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12470920] [2024-11-13 12:45:06,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:06,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:07,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:07,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12470920] [2024-11-13 12:45:07,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12470920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:07,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:07,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:45:07,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256981187] [2024-11-13 12:45:07,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:07,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:07,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:07,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:07,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:07,077 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 473 [2024-11-13 12:45:07,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 310 transitions, 957 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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) [2024-11-13 12:45:07,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:07,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 473 [2024-11-13 12:45:07,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:07,222 INFO L124 PetriNetUnfolderBase]: 62/835 cut-off events. [2024-11-13 12:45:07,222 INFO L125 PetriNetUnfolderBase]: For 94/94 co-relation queries the response was YES. [2024-11-13 12:45:07,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 835 events. 62/835 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2676 event pairs, 0 based on Foata normal form. 21/785 useless extension candidates. Maximal degree in co-relation 1053. Up to 54 conditions per place. [2024-11-13 12:45:07,227 INFO L140 encePairwiseOnDemand]: 468/473 looper letters, 13 selfloop transitions, 2 changer transitions 55/275 dead transitions. [2024-11-13 12:45:07,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 275 transitions, 782 flow [2024-11-13 12:45:07,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:07,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1276 transitions. [2024-11-13 12:45:07,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8992248062015504 [2024-11-13 12:45:07,230 INFO L175 Difference]: Start difference. First operand has 292 places, 310 transitions, 957 flow. Second operand 3 states and 1276 transitions. [2024-11-13 12:45:07,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 275 transitions, 782 flow [2024-11-13 12:45:07,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 275 transitions, 720 flow, removed 13 selfloop flow, removed 10 redundant places. [2024-11-13 12:45:07,237 INFO L231 Difference]: Finished difference. Result has 278 places, 218 transitions, 549 flow [2024-11-13 12:45:07,237 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=278, PETRI_TRANSITIONS=218} [2024-11-13 12:45:07,238 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -28 predicate places. [2024-11-13 12:45:07,238 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 218 transitions, 549 flow [2024-11-13 12:45:07,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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) [2024-11-13 12:45:07,238 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:07,239 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:07,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 12:45:07,239 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread_usbErr6ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:07,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:07,240 INFO L85 PathProgramCache]: Analyzing trace with hash 883931733, now seen corresponding path program 1 times [2024-11-13 12:45:07,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:07,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192323756] [2024-11-13 12:45:07,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:07,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:45:07,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:07,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192323756] [2024-11-13 12:45:07,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192323756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:07,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:07,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:07,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755772813] [2024-11-13 12:45:07,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:07,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:07,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:07,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:07,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:07,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 473 [2024-11-13 12:45:07,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 218 transitions, 549 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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) [2024-11-13 12:45:07,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:07,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 473 [2024-11-13 12:45:07,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:07,535 INFO L124 PetriNetUnfolderBase]: 46/548 cut-off events. [2024-11-13 12:45:07,536 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-13 12:45:07,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 548 events. 46/548 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1381 event pairs, 8 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 635. Up to 60 conditions per place. [2024-11-13 12:45:07,540 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 16 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2024-11-13 12:45:07,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 217 transitions, 583 flow [2024-11-13 12:45:07,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1270 transitions. [2024-11-13 12:45:07,543 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8949964763918252 [2024-11-13 12:45:07,543 INFO L175 Difference]: Start difference. First operand has 278 places, 218 transitions, 549 flow. Second operand 3 states and 1270 transitions. [2024-11-13 12:45:07,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 217 transitions, 583 flow [2024-11-13 12:45:07,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 217 transitions, 546 flow, removed 3 selfloop flow, removed 15 redundant places. [2024-11-13 12:45:07,548 INFO L231 Difference]: Finished difference. Result has 221 places, 217 transitions, 514 flow [2024-11-13 12:45:07,548 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=221, PETRI_TRANSITIONS=217} [2024-11-13 12:45:07,548 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -85 predicate places. [2024-11-13 12:45:07,549 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 217 transitions, 514 flow [2024-11-13 12:45:07,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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) [2024-11-13 12:45:07,549 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:45:07,550 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:07,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 12:45:07,550 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread_usbErr7ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 12:45:07,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:07,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1899817245, now seen corresponding path program 1 times [2024-11-13 12:45:07,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:07,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665321547] [2024-11-13 12:45:07,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:07,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 12:45:07,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:07,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665321547] [2024-11-13 12:45:07,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665321547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:07,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:07,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:45:07,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996320210] [2024-11-13 12:45:07,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:07,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:07,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:07,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:07,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:07,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 473 [2024-11-13 12:45:07,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 217 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 415.6666666666667) internal successors, (1247), 3 states have internal predecessors, (1247), 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) [2024-11-13 12:45:07,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:45:07,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 473 [2024-11-13 12:45:07,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:45:07,780 INFO L124 PetriNetUnfolderBase]: 22/379 cut-off events. [2024-11-13 12:45:07,781 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-11-13 12:45:07,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 379 events. 22/379 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 456 event pairs, 0 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 384. Up to 19 conditions per place. [2024-11-13 12:45:07,783 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 0 selfloop transitions, 0 changer transitions 216/216 dead transitions. [2024-11-13 12:45:07,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 216 transitions, 542 flow [2024-11-13 12:45:07,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:45:07,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1255 transitions. [2024-11-13 12:45:07,786 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8844256518675123 [2024-11-13 12:45:07,786 INFO L175 Difference]: Start difference. First operand has 221 places, 217 transitions, 514 flow. Second operand 3 states and 1255 transitions. [2024-11-13 12:45:07,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 216 transitions, 542 flow [2024-11-13 12:45:07,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 216 transitions, 538 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 12:45:07,791 INFO L231 Difference]: Finished difference. Result has 220 places, 0 transitions, 0 flow [2024-11-13 12:45:07,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=220, PETRI_TRANSITIONS=0} [2024-11-13 12:45:07,791 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -86 predicate places. [2024-11-13 12:45:07,792 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 0 transitions, 0 flow [2024-11-13 12:45:07,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.6666666666667) internal successors, (1247), 3 states have internal predecessors, (1247), 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) [2024-11-13 12:45:07,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2024-11-13 12:45:07,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2024-11-13 12:45:07,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2024-11-13 12:45:07,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2024-11-13 12:45:07,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2024-11-13 12:45:07,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2024-11-13 12:45:07,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2024-11-13 12:45:07,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2024-11-13 12:45:07,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2024-11-13 12:45:07,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2024-11-13 12:45:07,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 39 remaining) [2024-11-13 12:45:07,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2024-11-13 12:45:07,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2024-11-13 12:45:07,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2024-11-13 12:45:07,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr11ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2024-11-13 12:45:07,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2024-11-13 12:45:07,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2024-11-13 12:45:07,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2024-11-13 12:45:07,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2024-11-13 12:45:07,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2024-11-13 12:45:07,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2024-11-13 12:45:07,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2024-11-13 12:45:07,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining) [2024-11-13 12:45:07,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 39 remaining) [2024-11-13 12:45:07,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2024-11-13 12:45:07,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2024-11-13 12:45:07,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2024-11-13 12:45:07,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2024-11-13 12:45:07,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2024-11-13 12:45:07,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr11ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2024-11-13 12:45:07,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2024-11-13 12:45:07,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2024-11-13 12:45:07,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2024-11-13 12:45:07,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2024-11-13 12:45:07,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2024-11-13 12:45:07,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2024-11-13 12:45:07,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2024-11-13 12:45:07,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2024-11-13 12:45:07,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 39 remaining) [2024-11-13 12:45:07,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 12:45:07,800 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:07,805 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 12:45:07,806 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:45:07,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:45:07 BasicIcfg [2024-11-13 12:45:07,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:45:07,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:45:07,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:45:07,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:45:07,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:56" (3/4) ... [2024-11-13 12:45:07,815 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 12:45:07,818 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2024-11-13 12:45:07,818 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2024-11-13 12:45:07,822 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 12:45:07,823 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 12:45:07,823 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 12:45:07,823 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:45:07,895 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 12:45:07,895 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 12:45:07,895 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:45:07,896 INFO L158 Benchmark]: Toolchain (without parser) took 13306.41ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 116.2MB in the beginning and 164.7MB in the end (delta: -48.5MB). Peak memory consumption was 191.5MB. Max. memory is 16.1GB. [2024-11-13 12:45:07,896 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:45:07,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1134.33ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 60.0MB in the end (delta: 56.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 12:45:07,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.26ms. Allocated memory is still 142.6MB. Free memory was 59.8MB in the beginning and 56.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:45:07,898 INFO L158 Benchmark]: Boogie Preprocessor took 73.66ms. Allocated memory is still 142.6MB. Free memory was 56.4MB in the beginning and 53.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:45:07,899 INFO L158 Benchmark]: RCFGBuilder took 1107.52ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 91.3MB in the end (delta: -37.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-13 12:45:07,899 INFO L158 Benchmark]: TraceAbstraction took 10811.52ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 90.5MB in the beginning and 173.1MB in the end (delta: -82.6MB). Peak memory consumption was 159.1MB. Max. memory is 16.1GB. [2024-11-13 12:45:07,900 INFO L158 Benchmark]: Witness Printer took 83.46ms. Allocated memory is still 385.9MB. Free memory was 173.1MB in the beginning and 164.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:45:07,901 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1134.33ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 60.0MB in the end (delta: 56.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.26ms. Allocated memory is still 142.6MB. Free memory was 59.8MB in the beginning and 56.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.66ms. Allocated memory is still 142.6MB. Free memory was 56.4MB in the beginning and 53.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1107.52ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 91.3MB in the end (delta: -37.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10811.52ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 90.5MB in the beginning and 173.1MB in the end (delta: -82.6MB). Peak memory consumption was 159.1MB. Max. memory is 16.1GB. * Witness Printer took 83.46ms. Allocated memory is still 385.9MB. Free memory was 173.1MB in the beginning and 164.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1777]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1778]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1790]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1792]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1752]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 480 locations, 39 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: 10.6s, OverallIterations: 19, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1234 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 453 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1265 IncrementalHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 150 mSDtfsCounter, 1265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=957occurred in iteration=16, InterpolantAutomatonStates: 65, 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, 1.8s InterpolantComputationTime, 1592 NumberOfCodeBlocks, 1592 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1573 ConstructedInterpolants, 0 QuantifiedInterpolants, 1689 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 39/39 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 - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 12:45:07,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a967796b-f4d0-4442-9337-2d3db3a26e38/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE