./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/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_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-23 22:56:46,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:56:46,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 22:56:46,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:56:46,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:56:46,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:56:46,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:56:46,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:56:46,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:56:46,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:56:46,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:56:46,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:56:46,423 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:56:46,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:56:46,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:56:46,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:56:46,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:56:46,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:56:46,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:56:46,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:56:46,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:56:46,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:56:46,424 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 22:56:46,424 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:56:46,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:56:46,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:56:46,424 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:56:46,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:56:46,424 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:56:46,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:56:46,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:56:46,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:56:46,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:56:46,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:56:46,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:56:46,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:56:46,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:56:46,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:56:46,425 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:56:46,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:56:46,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:56:46,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:56:46,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:56:46,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:56:46,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:56:46,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:56:46,426 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_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-23 22:56:46,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:56:46,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:56:46,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:56:46,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:56:46,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:56:46,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2024-11-23 22:56:49,672 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/data/b0e6e8301/b20449ceca5946689dbcbd9eec213828/FLAG1f2e303d1 [2024-11-23 22:56:50,077 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:56:50,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2024-11-23 22:56:50,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/data/b0e6e8301/b20449ceca5946689dbcbd9eec213828/FLAG1f2e303d1 [2024-11-23 22:56:50,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/data/b0e6e8301/b20449ceca5946689dbcbd9eec213828 [2024-11-23 22:56:50,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:56:50,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:56:50,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:56:50,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:56:50,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:56:50,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:56:50" (1/1) ... [2024-11-23 22:56:50,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e2bf94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:50, skipping insertion in model container [2024-11-23 22:56:50,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:56:50" (1/1) ... [2024-11-23 22:56:50,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:56:51,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:56:51,380 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:56:51,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:56:51,756 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:56:51,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51 WrapperNode [2024-11-23 22:56:51,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:56:51,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:56:51,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:56:51,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:56:51,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,863 INFO L138 Inliner]: procedures = 487, calls = 37, calls flagged for inlining = 16, calls inlined = 21, statements flattened = 278 [2024-11-23 22:56:51,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:56:51,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:56:51,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:56:51,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:56:51,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,895 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:56:51,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:56:51,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:56:51,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:56:51,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (1/1) ... [2024-11-23 22:56:51,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:56:51,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:56:51,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:56:51,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:56:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-11-23 22:56:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-11-23 22:56:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 22:56:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-11-23 22:56:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-11-23 22:56:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 22:56:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:56:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-23 22:56:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:56:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:56:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 22:56:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 22:56:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 22:56:52,009 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:56:52,379 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:56:52,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:56:52,907 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:56:52,907 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:56:52,945 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:56:52,945 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 22:56:52,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:56:52 BoogieIcfgContainer [2024-11-23 22:56:52,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:56:52,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:56:52,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:56:52,956 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:56:52,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:56:50" (1/3) ... [2024-11-23 22:56:52,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@894b46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:56:52, skipping insertion in model container [2024-11-23 22:56:52,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:56:51" (2/3) ... [2024-11-23 22:56:52,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@894b46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:56:52, skipping insertion in model container [2024-11-23 22:56:52,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:56:52" (3/3) ... [2024-11-23 22:56:52,962 INFO L128 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2024-11-23 22:56:52,981 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:56:52,982 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-4_1-thread_local_vars.i that has 3 procedures, 296 locations, 1 initial locations, 2 loop locations, and 22 error locations. [2024-11-23 22:56:52,983 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:56:53,185 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-23 22:56:53,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 467 transitions, 961 flow [2024-11-23 22:56:53,478 INFO L124 PetriNetUnfolderBase]: 41/473 cut-off events. [2024-11-23 22:56:53,480 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-23 22:56:53,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 473 events. 41/473 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1290 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 320. Up to 11 conditions per place. [2024-11-23 22:56:53,498 INFO L82 GeneralOperation]: Start removeDead. Operand has 429 places, 467 transitions, 961 flow [2024-11-23 22:56:53,509 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 301 places, 324 transitions, 664 flow [2024-11-23 22:56:53,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:56:53,536 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;@23742838, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:56:53,537 INFO L334 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2024-11-23 22:56:53,544 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:56:53,546 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-23 22:56:53,546 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:56:53,546 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:53,548 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:53,548 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)] === [2024-11-23 22:56:53,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:53,556 INFO L85 PathProgramCache]: Analyzing trace with hash 864045255, now seen corresponding path program 1 times [2024-11-23 22:56:53,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:53,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484122875] [2024-11-23 22:56:53,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:53,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:54,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:54,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484122875] [2024-11-23 22:56:54,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484122875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:54,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:54,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:54,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294408800] [2024-11-23 22:56:54,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:54,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:54,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:54,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:54,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:54,246 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 467 [2024-11-23 22:56:54,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 324 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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) [2024-11-23 22:56:54,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:54,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 467 [2024-11-23 22:56:54,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:54,574 INFO L124 PetriNetUnfolderBase]: 82/936 cut-off events. [2024-11-23 22:56:54,574 INFO L125 PetriNetUnfolderBase]: For 27/35 co-relation queries the response was YES. [2024-11-23 22:56:54,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1082 conditions, 936 events. 82/936 cut-off events. For 27/35 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4788 event pairs, 48 based on Foata normal form. 72/872 useless extension candidates. Maximal degree in co-relation 758. Up to 125 conditions per place. [2024-11-23 22:56:54,590 INFO L140 encePairwiseOnDemand]: 448/467 looper letters, 22 selfloop transitions, 2 changer transitions 6/295 dead transitions. [2024-11-23 22:56:54,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 295 transitions, 654 flow [2024-11-23 22:56:54,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:54,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:54,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1256 transitions. [2024-11-23 22:56:54,616 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8965024982155603 [2024-11-23 22:56:54,618 INFO L175 Difference]: Start difference. First operand has 301 places, 324 transitions, 664 flow. Second operand 3 states and 1256 transitions. [2024-11-23 22:56:54,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 295 transitions, 654 flow [2024-11-23 22:56:54,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 295 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:56:54,637 INFO L231 Difference]: Finished difference. Result has 288 places, 289 transitions, 594 flow [2024-11-23 22:56:54,640 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=288, PETRI_TRANSITIONS=289} [2024-11-23 22:56:54,644 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -13 predicate places. [2024-11-23 22:56:54,644 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 289 transitions, 594 flow [2024-11-23 22:56:54,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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) [2024-11-23 22:56:54,647 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:54,647 INFO L206 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] [2024-11-23 22:56:54,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:56:54,648 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)] === [2024-11-23 22:56:54,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:54,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1033920619, now seen corresponding path program 1 times [2024-11-23 22:56:54,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:54,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413333917] [2024-11-23 22:56:54,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:54,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:54,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:54,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413333917] [2024-11-23 22:56:54,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413333917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:54,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:54,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:54,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577408493] [2024-11-23 22:56:54,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:54,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:54,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:54,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:54,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:54,935 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 467 [2024-11-23 22:56:54,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 289 transitions, 594 flow. Second operand has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2024-11-23 22:56:54,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:54,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 467 [2024-11-23 22:56:54,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:55,226 INFO L124 PetriNetUnfolderBase]: 83/940 cut-off events. [2024-11-23 22:56:55,227 INFO L125 PetriNetUnfolderBase]: For 19/24 co-relation queries the response was YES. [2024-11-23 22:56:55,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 940 events. 83/940 cut-off events. For 19/24 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4749 event pairs, 21 based on Foata normal form. 1/826 useless extension candidates. Maximal degree in co-relation 1070. Up to 112 conditions per place. [2024-11-23 22:56:55,234 INFO L140 encePairwiseOnDemand]: 447/467 looper letters, 26 selfloop transitions, 14 changer transitions 0/298 dead transitions. [2024-11-23 22:56:55,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 298 transitions, 693 flow [2024-11-23 22:56:55,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2024-11-23 22:56:55,238 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8786581013561742 [2024-11-23 22:56:55,238 INFO L175 Difference]: Start difference. First operand has 288 places, 289 transitions, 594 flow. Second operand 3 states and 1231 transitions. [2024-11-23 22:56:55,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 298 transitions, 693 flow [2024-11-23 22:56:55,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 298 transitions, 689 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:56:55,249 INFO L231 Difference]: Finished difference. Result has 281 places, 295 transitions, 682 flow [2024-11-23 22:56:55,250 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=281, PETRI_TRANSITIONS=295} [2024-11-23 22:56:55,251 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -20 predicate places. [2024-11-23 22:56:55,251 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 295 transitions, 682 flow [2024-11-23 22:56:55,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2024-11-23 22:56:55,252 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:55,252 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:55,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:56:55,253 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)] === [2024-11-23 22:56:55,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:55,254 INFO L85 PathProgramCache]: Analyzing trace with hash -675497663, now seen corresponding path program 1 times [2024-11-23 22:56:55,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:55,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702408572] [2024-11-23 22:56:55,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:55,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:55,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:55,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:55,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702408572] [2024-11-23 22:56:55,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702408572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:55,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:55,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:55,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080802797] [2024-11-23 22:56:55,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:55,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:55,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:55,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:55,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:55,548 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 467 [2024-11-23 22:56:55,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 295 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 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) [2024-11-23 22:56:55,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:55,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 467 [2024-11-23 22:56:55,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:55,868 INFO L124 PetriNetUnfolderBase]: 137/1384 cut-off events. [2024-11-23 22:56:55,868 INFO L125 PetriNetUnfolderBase]: For 285/323 co-relation queries the response was YES. [2024-11-23 22:56:55,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1837 conditions, 1384 events. 137/1384 cut-off events. For 285/323 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8666 event pairs, 61 based on Foata normal form. 0/1212 useless extension candidates. Maximal degree in co-relation 1429. Up to 203 conditions per place. [2024-11-23 22:56:55,883 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 28 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2024-11-23 22:56:55,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 294 transitions, 740 flow [2024-11-23 22:56:55,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:55,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1240 transitions. [2024-11-23 22:56:55,886 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8850820842255531 [2024-11-23 22:56:55,886 INFO L175 Difference]: Start difference. First operand has 281 places, 295 transitions, 682 flow. Second operand 3 states and 1240 transitions. [2024-11-23 22:56:55,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 294 transitions, 740 flow [2024-11-23 22:56:55,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 294 transitions, 712 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:56:55,893 INFO L231 Difference]: Finished difference. Result has 280 places, 294 transitions, 656 flow [2024-11-23 22:56:55,894 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=656, PETRI_PLACES=280, PETRI_TRANSITIONS=294} [2024-11-23 22:56:55,895 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -21 predicate places. [2024-11-23 22:56:55,895 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 294 transitions, 656 flow [2024-11-23 22:56:55,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 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) [2024-11-23 22:56:55,896 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:55,897 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:55,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:56:55,897 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)] === [2024-11-23 22:56:55,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:55,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1647841583, now seen corresponding path program 1 times [2024-11-23 22:56:55,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:55,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617889742] [2024-11-23 22:56:55,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:55,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:56,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:56,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617889742] [2024-11-23 22:56:56,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617889742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:56,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:56,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:56,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436731440] [2024-11-23 22:56:56,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:56,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:56,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:56,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:56,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:56,058 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 467 [2024-11-23 22:56:56,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 294 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2024-11-23 22:56:56,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:56,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 467 [2024-11-23 22:56:56,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:56,279 INFO L124 PetriNetUnfolderBase]: 99/1131 cut-off events. [2024-11-23 22:56:56,279 INFO L125 PetriNetUnfolderBase]: For 32/63 co-relation queries the response was YES. [2024-11-23 22:56:56,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1362 conditions, 1131 events. 99/1131 cut-off events. For 32/63 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6677 event pairs, 9 based on Foata normal form. 4/986 useless extension candidates. Maximal degree in co-relation 1323. Up to 98 conditions per place. [2024-11-23 22:56:56,287 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 17 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-11-23 22:56:56,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 298 transitions, 711 flow [2024-11-23 22:56:56,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:56,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:56,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1277 transitions. [2024-11-23 22:56:56,291 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9114917915774446 [2024-11-23 22:56:56,291 INFO L175 Difference]: Start difference. First operand has 280 places, 294 transitions, 656 flow. Second operand 3 states and 1277 transitions. [2024-11-23 22:56:56,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 298 transitions, 711 flow [2024-11-23 22:56:56,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 298 transitions, 707 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:56:56,300 INFO L231 Difference]: Finished difference. Result has 279 places, 293 transitions, 654 flow [2024-11-23 22:56:56,301 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=279, PETRI_TRANSITIONS=293} [2024-11-23 22:56:56,302 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -22 predicate places. [2024-11-23 22:56:56,302 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 293 transitions, 654 flow [2024-11-23 22:56:56,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 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) [2024-11-23 22:56:56,303 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:56,303 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:56,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:56:56,303 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)] === [2024-11-23 22:56:56,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:56,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1050805027, now seen corresponding path program 1 times [2024-11-23 22:56:56,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:56,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626822807] [2024-11-23 22:56:56,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:56,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:56,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:56,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626822807] [2024-11-23 22:56:56,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626822807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:56,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:56,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:56,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420294034] [2024-11-23 22:56:56,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:56,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:56,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:56,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:56,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:56,526 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 467 [2024-11-23 22:56:56,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 293 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-11-23 22:56:56,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:56,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 467 [2024-11-23 22:56:56,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:56,733 INFO L124 PetriNetUnfolderBase]: 78/998 cut-off events. [2024-11-23 22:56:56,734 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-23 22:56:56,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1178 conditions, 998 events. 78/998 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5397 event pairs, 19 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 1086. Up to 67 conditions per place. [2024-11-23 22:56:56,741 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 14 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-23 22:56:56,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 292 transitions, 684 flow [2024-11-23 22:56:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:56,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2024-11-23 22:56:56,745 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.894361170592434 [2024-11-23 22:56:56,745 INFO L175 Difference]: Start difference. First operand has 279 places, 293 transitions, 654 flow. Second operand 3 states and 1253 transitions. [2024-11-23 22:56:56,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 292 transitions, 684 flow [2024-11-23 22:56:56,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 292 transitions, 680 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:56:56,753 INFO L231 Difference]: Finished difference. Result has 278 places, 292 transitions, 652 flow [2024-11-23 22:56:56,753 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=278, PETRI_TRANSITIONS=292} [2024-11-23 22:56:56,755 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -23 predicate places. [2024-11-23 22:56:56,755 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 292 transitions, 652 flow [2024-11-23 22:56:56,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 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) [2024-11-23 22:56:56,757 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:56,757 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:56,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:56:56,758 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread_usbErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-23 22:56:56,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:56,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1549403208, now seen corresponding path program 1 times [2024-11-23 22:56:56,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:56,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893681365] [2024-11-23 22:56:56,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:56,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:56,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:56,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893681365] [2024-11-23 22:56:56,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893681365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:56,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:56,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:56,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497215753] [2024-11-23 22:56:56,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:56,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:56,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:56,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:56,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:56,964 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 467 [2024-11-23 22:56:56,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 292 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-23 22:56:56,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:56,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 467 [2024-11-23 22:56:56,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:57,163 INFO L124 PetriNetUnfolderBase]: 101/1158 cut-off events. [2024-11-23 22:56:57,163 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-23 22:56:57,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1373 conditions, 1158 events. 101/1158 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6698 event pairs, 23 based on Foata normal form. 0/1020 useless extension candidates. Maximal degree in co-relation 1276. Up to 83 conditions per place. [2024-11-23 22:56:57,172 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 16 selfloop transitions, 5 changer transitions 0/294 dead transitions. [2024-11-23 22:56:57,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 294 transitions, 698 flow [2024-11-23 22:56:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:57,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:57,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2024-11-23 22:56:57,175 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8822269807280514 [2024-11-23 22:56:57,176 INFO L175 Difference]: Start difference. First operand has 278 places, 292 transitions, 652 flow. Second operand 3 states and 1236 transitions. [2024-11-23 22:56:57,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 294 transitions, 698 flow [2024-11-23 22:56:57,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 294 transitions, 694 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:56:57,184 INFO L231 Difference]: Finished difference. Result has 276 places, 292 transitions, 669 flow [2024-11-23 22:56:57,184 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=276, PETRI_TRANSITIONS=292} [2024-11-23 22:56:57,187 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -25 predicate places. [2024-11-23 22:56:57,187 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 292 transitions, 669 flow [2024-11-23 22:56:57,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-23 22:56:57,188 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:57,188 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:57,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:56:57,188 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-23 22:56:57,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:57,190 INFO L85 PathProgramCache]: Analyzing trace with hash -723324299, now seen corresponding path program 1 times [2024-11-23 22:56:57,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:57,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473102232] [2024-11-23 22:56:57,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:57,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:57,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:57,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473102232] [2024-11-23 22:56:57,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473102232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:57,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:57,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:57,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726299865] [2024-11-23 22:56:57,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:57,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:57,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:57,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:57,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:57,324 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 467 [2024-11-23 22:56:57,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 292 transitions, 669 flow. Second operand has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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) [2024-11-23 22:56:57,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:57,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 467 [2024-11-23 22:56:57,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:57,572 INFO L124 PetriNetUnfolderBase]: 135/1420 cut-off events. [2024-11-23 22:56:57,572 INFO L125 PetriNetUnfolderBase]: For 32/49 co-relation queries the response was YES. [2024-11-23 22:56:57,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1710 conditions, 1420 events. 135/1420 cut-off events. For 32/49 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8338 event pairs, 28 based on Foata normal form. 1/1239 useless extension candidates. Maximal degree in co-relation 1137. Up to 90 conditions per place. [2024-11-23 22:56:57,584 INFO L140 encePairwiseOnDemand]: 465/467 looper letters, 14 selfloop transitions, 1 changer transitions 16/296 dead transitions. [2024-11-23 22:56:57,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 296 transitions, 716 flow [2024-11-23 22:56:57,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions. [2024-11-23 22:56:57,589 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9172019985724482 [2024-11-23 22:56:57,589 INFO L175 Difference]: Start difference. First operand has 276 places, 292 transitions, 669 flow. Second operand 3 states and 1285 transitions. [2024-11-23 22:56:57,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 296 transitions, 716 flow [2024-11-23 22:56:57,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 296 transitions, 711 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 22:56:57,597 INFO L231 Difference]: Finished difference. Result has 276 places, 275 transitions, 628 flow [2024-11-23 22:56:57,598 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=276, PETRI_TRANSITIONS=275} [2024-11-23 22:56:57,598 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -25 predicate places. [2024-11-23 22:56:57,600 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 275 transitions, 628 flow [2024-11-23 22:56:57,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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) [2024-11-23 22:56:57,601 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:57,601 INFO L206 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] [2024-11-23 22:56:57,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:56:57,601 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)] === [2024-11-23 22:56:57,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:57,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1073668320, now seen corresponding path program 1 times [2024-11-23 22:56:57,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:57,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90034947] [2024-11-23 22:56:57,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:57,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:57,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:57,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90034947] [2024-11-23 22:56:57,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90034947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:57,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:57,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:56:57,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758932822] [2024-11-23 22:56:57,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:57,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:57,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:57,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:57,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:57,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 467 [2024-11-23 22:56:57,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 275 transitions, 628 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) [2024-11-23 22:56:57,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:57,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 467 [2024-11-23 22:56:57,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:58,040 INFO L124 PetriNetUnfolderBase]: 103/1058 cut-off events. [2024-11-23 22:56:58,040 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-23 22:56:58,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1273 conditions, 1058 events. 103/1058 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5803 event pairs, 14 based on Foata normal form. 1/928 useless extension candidates. Maximal degree in co-relation 1198. Up to 63 conditions per place. [2024-11-23 22:56:58,048 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 15 selfloop transitions, 5 changer transitions 3/279 dead transitions. [2024-11-23 22:56:58,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 279 transitions, 676 flow [2024-11-23 22:56:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:58,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1256 transitions. [2024-11-23 22:56:58,052 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8965024982155603 [2024-11-23 22:56:58,052 INFO L175 Difference]: Start difference. First operand has 276 places, 275 transitions, 628 flow. Second operand 3 states and 1256 transitions. [2024-11-23 22:56:58,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 279 transitions, 676 flow [2024-11-23 22:56:58,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 279 transitions, 675 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 22:56:58,059 INFO L231 Difference]: Finished difference. Result has 264 places, 274 transitions, 655 flow [2024-11-23 22:56:58,060 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=264, PETRI_TRANSITIONS=274} [2024-11-23 22:56:58,062 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -37 predicate places. [2024-11-23 22:56:58,062 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 274 transitions, 655 flow [2024-11-23 22:56:58,065 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) [2024-11-23 22:56:58,065 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:58,065 INFO L206 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] [2024-11-23 22:56:58,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 22:56:58,066 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)] === [2024-11-23 22:56:58,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:58,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1721282207, now seen corresponding path program 1 times [2024-11-23 22:56:58,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:58,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824417296] [2024-11-23 22:56:58,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:58,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:58,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:58,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:58,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824417296] [2024-11-23 22:56:58,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824417296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:58,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:58,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:58,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483560600] [2024-11-23 22:56:58,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:58,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:58,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:58,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:58,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:58,320 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 467 [2024-11-23 22:56:58,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 274 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-11-23 22:56:58,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:58,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 467 [2024-11-23 22:56:58,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:58,513 INFO L124 PetriNetUnfolderBase]: 120/1086 cut-off events. [2024-11-23 22:56:58,513 INFO L125 PetriNetUnfolderBase]: For 91/104 co-relation queries the response was YES. [2024-11-23 22:56:58,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 1086 events. 120/1086 cut-off events. For 91/104 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5861 event pairs, 28 based on Foata normal form. 2/962 useless extension candidates. Maximal degree in co-relation 1352. Up to 137 conditions per place. [2024-11-23 22:56:58,521 INFO L140 encePairwiseOnDemand]: 461/467 looper letters, 26 selfloop transitions, 8 changer transitions 0/282 dead transitions. [2024-11-23 22:56:58,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 282 transitions, 749 flow [2024-11-23 22:56:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:58,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2024-11-23 22:56:58,524 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.892933618843683 [2024-11-23 22:56:58,525 INFO L175 Difference]: Start difference. First operand has 264 places, 274 transitions, 655 flow. Second operand 3 states and 1251 transitions. [2024-11-23 22:56:58,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 282 transitions, 749 flow [2024-11-23 22:56:58,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 282 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:56:58,533 INFO L231 Difference]: Finished difference. Result has 263 places, 280 transitions, 713 flow [2024-11-23 22:56:58,534 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=263, PETRI_TRANSITIONS=280} [2024-11-23 22:56:58,534 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -38 predicate places. [2024-11-23 22:56:58,535 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 280 transitions, 713 flow [2024-11-23 22:56:58,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-11-23 22:56:58,536 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:58,536 INFO L206 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] [2024-11-23 22:56:58,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 22:56:58,536 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)] === [2024-11-23 22:56:58,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1586189360, now seen corresponding path program 1 times [2024-11-23 22:56:58,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:58,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33191439] [2024-11-23 22:56:58,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:58,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:58,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:58,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33191439] [2024-11-23 22:56:58,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33191439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:58,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:58,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:58,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600116041] [2024-11-23 22:56:58,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:58,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:58,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:58,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:58,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:58,695 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 467 [2024-11-23 22:56:58,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 280 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 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) [2024-11-23 22:56:58,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:58,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 467 [2024-11-23 22:56:58,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:58,928 INFO L124 PetriNetUnfolderBase]: 127/1248 cut-off events. [2024-11-23 22:56:58,928 INFO L125 PetriNetUnfolderBase]: For 85/96 co-relation queries the response was YES. [2024-11-23 22:56:58,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1614 conditions, 1248 events. 127/1248 cut-off events. For 85/96 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7272 event pairs, 24 based on Foata normal form. 0/1107 useless extension candidates. Maximal degree in co-relation 1537. Up to 75 conditions per place. [2024-11-23 22:56:58,939 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 14 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-23 22:56:58,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 281 transitions, 747 flow [2024-11-23 22:56:58,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:58,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1268 transitions. [2024-11-23 22:56:58,945 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9050678087080657 [2024-11-23 22:56:58,945 INFO L175 Difference]: Start difference. First operand has 263 places, 280 transitions, 713 flow. Second operand 3 states and 1268 transitions. [2024-11-23 22:56:58,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 281 transitions, 747 flow [2024-11-23 22:56:58,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 281 transitions, 731 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:56:58,953 INFO L231 Difference]: Finished difference. Result has 262 places, 279 transitions, 699 flow [2024-11-23 22:56:58,954 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=699, PETRI_PLACES=262, PETRI_TRANSITIONS=279} [2024-11-23 22:56:58,954 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -39 predicate places. [2024-11-23 22:56:58,954 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 279 transitions, 699 flow [2024-11-23 22:56:58,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 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) [2024-11-23 22:56:58,955 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:58,955 INFO L206 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] [2024-11-23 22:56:58,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 22:56:58,956 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)] === [2024-11-23 22:56:58,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:58,958 INFO L85 PathProgramCache]: Analyzing trace with hash 911377635, now seen corresponding path program 1 times [2024-11-23 22:56:58,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:58,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406851911] [2024-11-23 22:56:58,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:58,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:59,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:59,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406851911] [2024-11-23 22:56:59,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406851911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:59,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:59,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:59,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403654713] [2024-11-23 22:56:59,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:59,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:59,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:59,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:59,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:59,141 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 467 [2024-11-23 22:56:59,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 279 transitions, 699 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) [2024-11-23 22:56:59,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:59,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 467 [2024-11-23 22:56:59,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:59,360 INFO L124 PetriNetUnfolderBase]: 136/1214 cut-off events. [2024-11-23 22:56:59,360 INFO L125 PetriNetUnfolderBase]: For 93/112 co-relation queries the response was YES. [2024-11-23 22:56:59,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1593 conditions, 1214 events. 136/1214 cut-off events. For 93/112 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7120 event pairs, 22 based on Foata normal form. 0/1070 useless extension candidates. Maximal degree in co-relation 1516. Up to 92 conditions per place. [2024-11-23 22:56:59,374 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 19 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-23 22:56:59,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 280 transitions, 743 flow [2024-11-23 22:56:59,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:59,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1255 transitions. [2024-11-23 22:56:59,379 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8957887223411849 [2024-11-23 22:56:59,379 INFO L175 Difference]: Start difference. First operand has 262 places, 279 transitions, 699 flow. Second operand 3 states and 1255 transitions. [2024-11-23 22:56:59,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 280 transitions, 743 flow [2024-11-23 22:56:59,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 280 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:56:59,386 INFO L231 Difference]: Finished difference. Result has 261 places, 278 transitions, 697 flow [2024-11-23 22:56:59,386 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=697, PETRI_PLACES=261, PETRI_TRANSITIONS=278} [2024-11-23 22:56:59,387 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -40 predicate places. [2024-11-23 22:56:59,387 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 278 transitions, 697 flow [2024-11-23 22:56:59,388 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) [2024-11-23 22:56:59,388 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:59,389 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:56:59,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 22:56:59,389 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)] === [2024-11-23 22:56:59,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:59,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1419302737, now seen corresponding path program 1 times [2024-11-23 22:56:59,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:59,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327664726] [2024-11-23 22:56:59,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:59,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:56:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:56:59,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:56:59,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327664726] [2024-11-23 22:56:59,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327664726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:56:59,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:56:59,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:56:59,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257545905] [2024-11-23 22:56:59,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:56:59,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:56:59,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:56:59,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:56:59,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:56:59,592 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 467 [2024-11-23 22:56:59,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 278 transitions, 697 flow. Second operand has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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) [2024-11-23 22:56:59,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:56:59,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 467 [2024-11-23 22:56:59,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:56:59,851 INFO L124 PetriNetUnfolderBase]: 168/1234 cut-off events. [2024-11-23 22:56:59,852 INFO L125 PetriNetUnfolderBase]: For 251/328 co-relation queries the response was YES. [2024-11-23 22:56:59,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1834 conditions, 1234 events. 168/1234 cut-off events. For 251/328 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7237 event pairs, 39 based on Foata normal form. 8/1109 useless extension candidates. Maximal degree in co-relation 1755. Up to 236 conditions per place. [2024-11-23 22:56:59,862 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 31 selfloop transitions, 12 changer transitions 0/287 dead transitions. [2024-11-23 22:56:59,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 287 transitions, 820 flow [2024-11-23 22:56:59,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:56:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:56:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1246 transitions. [2024-11-23 22:56:59,867 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8893647394718058 [2024-11-23 22:56:59,867 INFO L175 Difference]: Start difference. First operand has 261 places, 278 transitions, 697 flow. Second operand 3 states and 1246 transitions. [2024-11-23 22:56:59,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 287 transitions, 820 flow [2024-11-23 22:56:59,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 287 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:56:59,876 INFO L231 Difference]: Finished difference. Result has 263 places, 286 transitions, 793 flow [2024-11-23 22:56:59,877 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=263, PETRI_TRANSITIONS=286} [2024-11-23 22:56:59,878 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -38 predicate places. [2024-11-23 22:56:59,880 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 286 transitions, 793 flow [2024-11-23 22:56:59,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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) [2024-11-23 22:56:59,881 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:56:59,881 INFO L206 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] [2024-11-23 22:56:59,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 22:56:59,882 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)] === [2024-11-23 22:56:59,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:56:59,883 INFO L85 PathProgramCache]: Analyzing trace with hash -838669853, now seen corresponding path program 1 times [2024-11-23 22:56:59,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:56:59,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172341103] [2024-11-23 22:56:59,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:56:59,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:56:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:00,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:57:00,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:00,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172341103] [2024-11-23 22:57:00,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172341103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:00,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:00,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:57:00,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402331065] [2024-11-23 22:57:00,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:00,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:57:00,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:00,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:57:00,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:57:00,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 467 [2024-11-23 22:57:00,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 286 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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) [2024-11-23 22:57:00,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:57:00,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 467 [2024-11-23 22:57:00,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:57:00,467 INFO L124 PetriNetUnfolderBase]: 278/1818 cut-off events. [2024-11-23 22:57:00,467 INFO L125 PetriNetUnfolderBase]: For 930/1031 co-relation queries the response was YES. [2024-11-23 22:57:00,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2977 conditions, 1818 events. 278/1818 cut-off events. For 930/1031 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 12645 event pairs, 86 based on Foata normal form. 8/1645 useless extension candidates. Maximal degree in co-relation 2590. Up to 358 conditions per place. [2024-11-23 22:57:00,481 INFO L140 encePairwiseOnDemand]: 461/467 looper letters, 38 selfloop transitions, 9 changer transitions 1/293 dead transitions. [2024-11-23 22:57:00,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 293 transitions, 921 flow [2024-11-23 22:57:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:57:00,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:57:00,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1245 transitions. [2024-11-23 22:57:00,485 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8886509635974305 [2024-11-23 22:57:00,485 INFO L175 Difference]: Start difference. First operand has 263 places, 286 transitions, 793 flow. Second operand 3 states and 1245 transitions. [2024-11-23 22:57:00,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 293 transitions, 921 flow [2024-11-23 22:57:00,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 293 transitions, 893 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:57:00,493 INFO L231 Difference]: Finished difference. Result has 265 places, 290 transitions, 839 flow [2024-11-23 22:57:00,494 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=839, PETRI_PLACES=265, PETRI_TRANSITIONS=290} [2024-11-23 22:57:00,495 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -36 predicate places. [2024-11-23 22:57:00,495 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 290 transitions, 839 flow [2024-11-23 22:57:00,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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) [2024-11-23 22:57:00,496 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:57:00,496 INFO L206 CegarLoopForPetriNet]: trace histogram [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] [2024-11-23 22:57:00,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 22:57:00,497 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)] === [2024-11-23 22:57:00,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:00,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1696370032, now seen corresponding path program 1 times [2024-11-23 22:57:00,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:00,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530320085] [2024-11-23 22:57:00,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:00,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 22:57:00,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:00,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530320085] [2024-11-23 22:57:00,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530320085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:00,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:00,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:57:00,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510952863] [2024-11-23 22:57:00,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:00,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:57:00,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:00,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:57:00,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:57:00,619 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 467 [2024-11-23 22:57:00,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 290 transitions, 839 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) [2024-11-23 22:57:00,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:57:00,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 467 [2024-11-23 22:57:00,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:57:00,872 INFO L124 PetriNetUnfolderBase]: 152/1442 cut-off events. [2024-11-23 22:57:00,872 INFO L125 PetriNetUnfolderBase]: For 391/429 co-relation queries the response was YES. [2024-11-23 22:57:00,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2078 conditions, 1442 events. 152/1442 cut-off events. For 391/429 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 8183 event pairs, 16 based on Foata normal form. 2/1299 useless extension candidates. Maximal degree in co-relation 1999. Up to 104 conditions per place. [2024-11-23 22:57:00,939 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 11 selfloop transitions, 2 changer transitions 2/294 dead transitions. [2024-11-23 22:57:00,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 294 transitions, 878 flow [2024-11-23 22:57:00,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:57:00,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:57:00,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2024-11-23 22:57:00,942 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9086366880799429 [2024-11-23 22:57:00,943 INFO L175 Difference]: Start difference. First operand has 265 places, 290 transitions, 839 flow. Second operand 3 states and 1273 transitions. [2024-11-23 22:57:00,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 294 transitions, 878 flow [2024-11-23 22:57:00,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 294 transitions, 854 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-23 22:57:00,953 INFO L231 Difference]: Finished difference. Result has 265 places, 290 transitions, 823 flow [2024-11-23 22:57:00,954 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=823, PETRI_PLACES=265, PETRI_TRANSITIONS=290} [2024-11-23 22:57:00,955 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -36 predicate places. [2024-11-23 22:57:00,955 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 290 transitions, 823 flow [2024-11-23 22:57:00,956 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) [2024-11-23 22:57:00,956 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:57:00,956 INFO L206 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] [2024-11-23 22:57:00,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 22:57:00,957 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)] === [2024-11-23 22:57:00,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:00,958 INFO L85 PathProgramCache]: Analyzing trace with hash 269378600, now seen corresponding path program 1 times [2024-11-23 22:57:00,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:00,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489699022] [2024-11-23 22:57:00,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:00,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:57:01,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:01,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489699022] [2024-11-23 22:57:01,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489699022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:01,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:01,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:57:01,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591624191] [2024-11-23 22:57:01,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:01,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:57:01,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:01,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:57:01,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:57:01,186 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 467 [2024-11-23 22:57:01,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 290 transitions, 823 flow. Second operand has 5 states, 5 states have (on average 418.4) internal successors, (2092), 5 states have internal predecessors, (2092), 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) [2024-11-23 22:57:01,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:57:01,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 467 [2024-11-23 22:57:01,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:57:01,807 INFO L124 PetriNetUnfolderBase]: 341/2805 cut-off events. [2024-11-23 22:57:01,807 INFO L125 PetriNetUnfolderBase]: For 567/621 co-relation queries the response was YES. [2024-11-23 22:57:01,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4060 conditions, 2805 events. 341/2805 cut-off events. For 567/621 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 20436 event pairs, 33 based on Foata normal form. 4/2528 useless extension candidates. Maximal degree in co-relation 3980. Up to 205 conditions per place. [2024-11-23 22:57:01,833 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 32 selfloop transitions, 8 changer transitions 0/312 dead transitions. [2024-11-23 22:57:01,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 312 transitions, 954 flow [2024-11-23 22:57:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:57:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-23 22:57:01,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2953 transitions. [2024-11-23 22:57:01,840 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9033343530131539 [2024-11-23 22:57:01,840 INFO L175 Difference]: Start difference. First operand has 265 places, 290 transitions, 823 flow. Second operand 7 states and 2953 transitions. [2024-11-23 22:57:01,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 312 transitions, 954 flow [2024-11-23 22:57:01,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 312 transitions, 952 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 22:57:01,849 INFO L231 Difference]: Finished difference. Result has 275 places, 297 transitions, 879 flow [2024-11-23 22:57:01,850 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=879, PETRI_PLACES=275, PETRI_TRANSITIONS=297} [2024-11-23 22:57:01,850 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -26 predicate places. [2024-11-23 22:57:01,850 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 297 transitions, 879 flow [2024-11-23 22:57:01,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 418.4) internal successors, (2092), 5 states have internal predecessors, (2092), 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) [2024-11-23 22:57:01,852 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:57:01,852 INFO L206 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] [2024-11-23 22:57:01,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 22:57:01,853 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)] === [2024-11-23 22:57:01,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:01,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1067039688, now seen corresponding path program 1 times [2024-11-23 22:57:01,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:01,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470821396] [2024-11-23 22:57:01,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:01,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:57:02,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:02,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470821396] [2024-11-23 22:57:02,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470821396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:02,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:02,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:57:02,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352702947] [2024-11-23 22:57:02,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:02,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:57:02,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:02,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:57:02,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:57:02,085 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 467 [2024-11-23 22:57:02,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 297 transitions, 879 flow. Second operand has 5 states, 5 states have (on average 420.0) internal successors, (2100), 5 states have internal predecessors, (2100), 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) [2024-11-23 22:57:02,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:57:02,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 467 [2024-11-23 22:57:02,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:57:03,225 INFO L124 PetriNetUnfolderBase]: 583/5209 cut-off events. [2024-11-23 22:57:03,226 INFO L125 PetriNetUnfolderBase]: For 1176/1271 co-relation queries the response was YES. [2024-11-23 22:57:03,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7679 conditions, 5209 events. 583/5209 cut-off events. For 1176/1271 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 46282 event pairs, 49 based on Foata normal form. 8/4716 useless extension candidates. Maximal degree in co-relation 7595. Up to 424 conditions per place. [2024-11-23 22:57:03,260 INFO L140 encePairwiseOnDemand]: 460/467 looper letters, 34 selfloop transitions, 9 changer transitions 0/324 dead transitions. [2024-11-23 22:57:03,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 324 transitions, 1030 flow [2024-11-23 22:57:03,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:57:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-23 22:57:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2970 transitions. [2024-11-23 22:57:03,266 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9085347200978893 [2024-11-23 22:57:03,266 INFO L175 Difference]: Start difference. First operand has 275 places, 297 transitions, 879 flow. Second operand 7 states and 2970 transitions. [2024-11-23 22:57:03,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 324 transitions, 1030 flow [2024-11-23 22:57:03,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 324 transitions, 1030 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 22:57:03,275 INFO L231 Difference]: Finished difference. Result has 287 places, 305 transitions, 947 flow [2024-11-23 22:57:03,276 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=879, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=947, PETRI_PLACES=287, PETRI_TRANSITIONS=305} [2024-11-23 22:57:03,276 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -14 predicate places. [2024-11-23 22:57:03,276 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 305 transitions, 947 flow [2024-11-23 22:57:03,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 420.0) internal successors, (2100), 5 states have internal predecessors, (2100), 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) [2024-11-23 22:57:03,278 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:57:03,278 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:57:03,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 22:57:03,278 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-23 22:57:03,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:03,279 INFO L85 PathProgramCache]: Analyzing trace with hash -877488111, now seen corresponding path program 1 times [2024-11-23 22:57:03,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:03,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451113772] [2024-11-23 22:57:03,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:03,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:03,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:57:03,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:03,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451113772] [2024-11-23 22:57:03,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451113772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:03,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:03,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:57:03,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467215327] [2024-11-23 22:57:03,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:03,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:57:03,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:03,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:57:03,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:57:03,445 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 467 [2024-11-23 22:57:03,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 305 transitions, 947 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-23 22:57:03,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:57:03,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 467 [2024-11-23 22:57:03,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:57:03,588 INFO L124 PetriNetUnfolderBase]: 62/812 cut-off events. [2024-11-23 22:57:03,588 INFO L125 PetriNetUnfolderBase]: For 94/94 co-relation queries the response was YES. [2024-11-23 22:57:03,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 812 events. 62/812 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2613 event pairs, 0 based on Foata normal form. 21/762 useless extension candidates. Maximal degree in co-relation 1033. Up to 54 conditions per place. [2024-11-23 22:57:03,593 INFO L140 encePairwiseOnDemand]: 462/467 looper letters, 13 selfloop transitions, 2 changer transitions 55/270 dead transitions. [2024-11-23 22:57:03,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 270 transitions, 772 flow [2024-11-23 22:57:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:57:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:57:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1258 transitions. [2024-11-23 22:57:03,597 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8979300499643112 [2024-11-23 22:57:03,597 INFO L175 Difference]: Start difference. First operand has 287 places, 305 transitions, 947 flow. Second operand 3 states and 1258 transitions. [2024-11-23 22:57:03,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 270 transitions, 772 flow [2024-11-23 22:57:03,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 270 transitions, 710 flow, removed 13 selfloop flow, removed 10 redundant places. [2024-11-23 22:57:03,604 INFO L231 Difference]: Finished difference. Result has 273 places, 213 transitions, 539 flow [2024-11-23 22:57:03,604 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=539, PETRI_PLACES=273, PETRI_TRANSITIONS=213} [2024-11-23 22:57:03,605 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -28 predicate places. [2024-11-23 22:57:03,605 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 213 transitions, 539 flow [2024-11-23 22:57:03,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-23 22:57:03,606 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:57:03,606 INFO L206 CegarLoopForPetriNet]: trace histogram [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] [2024-11-23 22:57:03,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 22:57:03,606 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)] === [2024-11-23 22:57:03,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:03,607 INFO L85 PathProgramCache]: Analyzing trace with hash 458704424, now seen corresponding path program 1 times [2024-11-23 22:57:03,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:03,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410308063] [2024-11-23 22:57:03,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:03,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:03,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:57:03,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:03,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410308063] [2024-11-23 22:57:03,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410308063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:03,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:03,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:57:03,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764215057] [2024-11-23 22:57:03,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:03,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:57:03,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:03,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:57:03,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:57:03,781 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 467 [2024-11-23 22:57:03,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 213 transitions, 539 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-23 22:57:03,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:57:03,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 467 [2024-11-23 22:57:03,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:57:03,873 INFO L124 PetriNetUnfolderBase]: 46/533 cut-off events. [2024-11-23 22:57:03,874 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-23 22:57:03,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 533 events. 46/533 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1360 event pairs, 8 based on Foata normal form. 0/486 useless extension candidates. Maximal degree in co-relation 623. Up to 60 conditions per place. [2024-11-23 22:57:03,878 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 16 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2024-11-23 22:57:03,878 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 212 transitions, 573 flow [2024-11-23 22:57:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:57:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:57:03,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1252 transitions. [2024-11-23 22:57:03,881 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8936473947180585 [2024-11-23 22:57:03,881 INFO L175 Difference]: Start difference. First operand has 273 places, 213 transitions, 539 flow. Second operand 3 states and 1252 transitions. [2024-11-23 22:57:03,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 212 transitions, 573 flow [2024-11-23 22:57:03,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 212 transitions, 536 flow, removed 3 selfloop flow, removed 15 redundant places. [2024-11-23 22:57:03,886 INFO L231 Difference]: Finished difference. Result has 216 places, 212 transitions, 504 flow [2024-11-23 22:57:03,886 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=216, PETRI_TRANSITIONS=212} [2024-11-23 22:57:03,886 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -85 predicate places. [2024-11-23 22:57:03,886 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 212 transitions, 504 flow [2024-11-23 22:57:03,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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) [2024-11-23 22:57:03,887 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:57:03,887 INFO L206 CegarLoopForPetriNet]: trace histogram [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] [2024-11-23 22:57:03,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 22:57:03,888 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)] === [2024-11-23 22:57:03,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:57:03,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1152868720, now seen corresponding path program 1 times [2024-11-23 22:57:03,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:57:03,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647870456] [2024-11-23 22:57:03,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:57:03,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:57:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:57:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:57:04,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:57:04,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647870456] [2024-11-23 22:57:04,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647870456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:57:04,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:57:04,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:57:04,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989484702] [2024-11-23 22:57:04,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:57:04,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:57:04,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:57:04,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:57:04,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:57:04,123 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 467 [2024-11-23 22:57:04,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 212 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-11-23 22:57:04,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:57:04,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 467 [2024-11-23 22:57:04,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:57:04,202 INFO L124 PetriNetUnfolderBase]: 22/368 cut-off events. [2024-11-23 22:57:04,202 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-11-23 22:57:04,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 368 events. 22/368 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 458 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 376. Up to 19 conditions per place. [2024-11-23 22:57:04,204 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 0 selfloop transitions, 0 changer transitions 211/211 dead transitions. [2024-11-23 22:57:04,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 211 transitions, 532 flow [2024-11-23 22:57:04,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:57:04,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:57:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1237 transitions. [2024-11-23 22:57:04,209 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8829407566024269 [2024-11-23 22:57:04,209 INFO L175 Difference]: Start difference. First operand has 216 places, 212 transitions, 504 flow. Second operand 3 states and 1237 transitions. [2024-11-23 22:57:04,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 211 transitions, 532 flow [2024-11-23 22:57:04,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 211 transitions, 528 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:57:04,213 INFO L231 Difference]: Finished difference. Result has 215 places, 0 transitions, 0 flow [2024-11-23 22:57:04,214 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=215, PETRI_TRANSITIONS=0} [2024-11-23 22:57:04,214 INFO L279 CegarLoopForPetriNet]: 301 programPoint places, -86 predicate places. [2024-11-23 22:57:04,215 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 0 transitions, 0 flow [2024-11-23 22:57:04,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-11-23 22:57:04,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2024-11-23 22:57:04,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2024-11-23 22:57:04,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2024-11-23 22:57:04,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2024-11-23 22:57:04,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2024-11-23 22:57:04,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2024-11-23 22:57:04,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2024-11-23 22:57:04,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2024-11-23 22:57:04,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2024-11-23 22:57:04,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2024-11-23 22:57:04,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 39 remaining) [2024-11-23 22:57:04,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2024-11-23 22:57:04,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2024-11-23 22:57:04,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2024-11-23 22:57:04,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr11ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2024-11-23 22:57:04,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2024-11-23 22:57:04,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2024-11-23 22:57:04,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2024-11-23 22:57:04,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2024-11-23 22:57:04,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2024-11-23 22:57:04,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2024-11-23 22:57:04,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2024-11-23 22:57:04,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining) [2024-11-23 22:57:04,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 39 remaining) [2024-11-23 22:57:04,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2024-11-23 22:57:04,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2024-11-23 22:57:04,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2024-11-23 22:57:04,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2024-11-23 22:57:04,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2024-11-23 22:57:04,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr11ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2024-11-23 22:57:04,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2024-11-23 22:57:04,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2024-11-23 22:57:04,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2024-11-23 22:57:04,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2024-11-23 22:57:04,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2024-11-23 22:57:04,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2024-11-23 22:57:04,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2024-11-23 22:57:04,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2024-11-23 22:57:04,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 39 remaining) [2024-11-23 22:57:04,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 22:57:04,225 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:57:04,233 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 22:57:04,233 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:57:04,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:57:04 BasicIcfg [2024-11-23 22:57:04,242 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:57:04,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:57:04,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:57:04,243 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:57:04,245 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:56:52" (3/4) ... [2024-11-23 22:57:04,247 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:57:04,251 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2024-11-23 22:57:04,251 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2024-11-23 22:57:04,257 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-23 22:57:04,259 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 22:57:04,259 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 22:57:04,260 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:57:04,362 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:57:04,362 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:57:04,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:57:04,363 INFO L158 Benchmark]: Toolchain (without parser) took 14213.38ms. Allocated memory was 117.4MB in the beginning and 562.0MB in the end (delta: 444.6MB). Free memory was 92.1MB in the beginning and 448.8MB in the end (delta: -356.7MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2024-11-23 22:57:04,363 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:57:04,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1605.97ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 86.0MB in the end (delta: 6.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-23 22:57:04,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.46ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 83.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:57:04,365 INFO L158 Benchmark]: Boogie Preprocessor took 51.26ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 79.7MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:57:04,366 INFO L158 Benchmark]: RCFGBuilder took 1026.33ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 51.0MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:57:04,366 INFO L158 Benchmark]: TraceAbstraction took 11294.23ms. Allocated memory was 117.4MB in the beginning and 562.0MB in the end (delta: 444.6MB). Free memory was 51.0MB in the beginning and 453.0MB in the end (delta: -401.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2024-11-23 22:57:04,367 INFO L158 Benchmark]: Witness Printer took 119.39ms. Allocated memory is still 562.0MB. Free memory was 453.0MB in the beginning and 448.8MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:57:04,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1605.97ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 86.0MB in the end (delta: 6.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.46ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 83.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.26ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 79.7MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1026.33ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 51.0MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 11294.23ms. Allocated memory was 117.4MB in the beginning and 562.0MB in the end (delta: 444.6MB). Free memory was 51.0MB in the beginning and 453.0MB in the end (delta: -401.9MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Witness Printer took 119.39ms. Allocated memory is still 562.0MB. Free memory was 453.0MB in the beginning and 448.8MB in the end (delta: 4.2MB). There was no memory consumed. 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, 473 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: 11.0s, OverallIterations: 19, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1277 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 434 mSDsluCounter, 283 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1326 IncrementalHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 224 mSDtfsCounter, 1326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=947occurred 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, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1513 NumberOfCodeBlocks, 1513 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1494 ConstructedInterpolants, 0 QuantifiedInterpolants, 1606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 4/4 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 22:57:04,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b648d-7ec1-4343-854e-777372cab095/bin/uautomizer-verify-LYvppIcaGC/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