./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/race-4_2-thread_local_vars.yml/witness.graphml --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 194c01fd Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/race-4_2-thread_local_vars.yml/witness.graphml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.5-dev-194c01f-m [2024-10-29 15:21:40,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:21:40,712 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:21:40,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:21:40,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:21:40,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:21:40,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:21:40,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:21:40,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:21:40,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:21:40,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:21:40,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:21:40,739 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:21:40,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:21:40,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:21:40,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:21:40,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:21:40,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:21:40,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:21:40,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:21:40,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:21:40,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:21:40,746 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:21:40,747 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:21:40,747 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:21:40,747 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:21:40,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:21:40,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:21:40,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:21:40,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:21:40,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:21:40,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:21:40,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:21:40,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:21:40,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:21:40,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:21:40,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:21:40,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:21:40,752 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:21:40,752 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:21:40,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:21:40,753 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:21:41,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:21:41,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:21:41,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:21:41,037 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:21:41,038 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:21:41,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/race-4_2-thread_local_vars.yml/witness.graphml [2024-10-29 15:21:41,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:21:41,122 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:21:41,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2024-10-29 15:21:42,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:21:42,773 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:21:42,774 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2024-10-29 15:21:42,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1020bb685/d54972cfed2948bc9f3e9ec055b009ea/FLAG4b5f264b0 [2024-10-29 15:21:42,819 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1020bb685/d54972cfed2948bc9f3e9ec055b009ea [2024-10-29 15:21:42,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:21:42,821 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:21:42,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:21:42,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:21:42,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:21:42,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:41" (1/2) ... [2024-10-29 15:21:42,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed933df and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:42, skipping insertion in model container [2024-10-29 15:21:42,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:41" (1/2) ... [2024-10-29 15:21:42,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3eff62a4 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:42, skipping insertion in model container [2024-10-29 15:21:42,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:21:42" (2/2) ... [2024-10-29 15:21:42,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed933df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:42, skipping insertion in model container [2024-10-29 15:21:42,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:21:42" (2/2) ... [2024-10-29 15:21:42,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:21:43,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:21:43,579 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:21:43,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:21:43,848 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:21:43,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43 WrapperNode [2024-10-29 15:21:43,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:21:43,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:21:43,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:21:43,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:21:43,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,934 INFO L138 Inliner]: procedures = 487, calls = 38, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 296 [2024-10-29 15:21:43,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:21:43,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:21:43,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:21:43,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:21:43,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:21:43,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:21:43,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:21:43,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:21:43,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (1/1) ... [2024-10-29 15:21:43,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:21:44,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:21:44,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-29 15:21:44,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-29 15:21:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-10-29 15:21:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-10-29 15:21:44,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-29 15:21:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-10-29 15:21:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-10-29 15:21:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-29 15:21:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:21:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-29 15:21:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:21:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:21:44,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-29 15:21:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-29 15:21:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:21:44,079 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-29 15:21:44,364 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:21:44,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:21:44,717 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:21:44,718 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:21:44,749 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:21:44,749 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-29 15:21:44,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:21:44 BoogieIcfgContainer [2024-10-29 15:21:44,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:21:44,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:21:44,755 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:21:44,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:21:44,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:41" (1/4) ... [2024-10-29 15:21:44,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ace19ac and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:21:44, skipping insertion in model container [2024-10-29 15:21:44,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:21:42" (2/4) ... [2024-10-29 15:21:44,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ace19ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:21:44, skipping insertion in model container [2024-10-29 15:21:44,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:43" (3/4) ... [2024-10-29 15:21:44,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ace19ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:21:44, skipping insertion in model container [2024-10-29 15:21:44,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:21:44" (4/4) ... [2024-10-29 15:21:44,764 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2024-10-29 15:21:44,765 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:21:44,791 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:21:44,791 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-10-29 15:21:44,791 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:21:44,888 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-10-29 15:21:44,904 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:21:44,924 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 472 places, 514 transitions, 1055 flow [2024-10-29 15:21:49,158 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 105236 states, 105060 states have (on average 3.1350942318675044) internal successors, (329373), 105235 states have internal predecessors, (329373), 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) [2024-10-29 15:21:49,191 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:21:49,200 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=None, 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;@6b5d1d06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:21:49,204 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2024-10-29 15:21:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 105236 states, 105060 states have (on average 3.1350942318675044) internal successors, (329373), 105235 states have internal predecessors, (329373), 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) [2024-10-29 15:21:49,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-29 15:21:49,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:49,376 INFO L215 NwaCegarLoop]: 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] [2024-10-29 15:21:49,377 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-29 15:21:49,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:49,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1019178130, now seen corresponding path program 1 times [2024-10-29 15:21:49,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:49,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773793268] [2024-10-29 15:21:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:49,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:50,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:50,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773793268] [2024-10-29 15:21:50,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773793268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:50,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:50,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:50,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381796946] [2024-10-29 15:21:50,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:50,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:50,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:50,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:50,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:50,340 INFO L87 Difference]: Start difference. First operand has 105236 states, 105060 states have (on average 3.1350942318675044) internal successors, (329373), 105235 states have internal predecessors, (329373), 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) Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-10-29 15:21:53,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:53,408 INFO L93 Difference]: Finished difference Result 201976 states and 633062 transitions. [2024-10-29 15:21:53,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:53,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) Word has length 26 [2024-10-29 15:21:53,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:54,261 INFO L225 Difference]: With dead ends: 201976 [2024-10-29 15:21:54,261 INFO L226 Difference]: Without dead ends: 95947 [2024-10-29 15:21:54,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:54,715 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 1 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:54,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 570 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:21:55,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95947 states. [2024-10-29 15:21:57,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95947 to 95947. [2024-10-29 15:21:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95947 states, 95720 states have (on average 2.9952987881320516) internal successors, (286710), 95946 states have internal predecessors, (286710), 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) [2024-10-29 15:21:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95947 states to 95947 states and 286710 transitions. [2024-10-29 15:21:59,550 INFO L78 Accepts]: Start accepts. Automaton has 95947 states and 286710 transitions. Word has length 26 [2024-10-29 15:21:59,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:59,551 INFO L471 AbstractCegarLoop]: Abstraction has 95947 states and 286710 transitions. [2024-10-29 15:21:59,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-10-29 15:21:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 95947 states and 286710 transitions. [2024-10-29 15:21:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-29 15:21:59,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:59,552 INFO L215 NwaCegarLoop]: 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] [2024-10-29 15:21:59,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:21:59,553 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-29 15:21:59,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:59,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1211256555, now seen corresponding path program 1 times [2024-10-29 15:21:59,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:59,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138649196] [2024-10-29 15:21:59,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:59,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:59,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:59,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138649196] [2024-10-29 15:21:59,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138649196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:59,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:59,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:59,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114564771] [2024-10-29 15:21:59,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:59,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:59,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:59,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:59,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:59,665 INFO L87 Difference]: Start difference. First operand 95947 states and 286710 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-10-29 15:22:01,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:01,145 INFO L93 Difference]: Finished difference Result 113287 states and 334998 transitions. [2024-10-29 15:22:01,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:01,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 29 [2024-10-29 15:22:01,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:01,760 INFO L225 Difference]: With dead ends: 113287 [2024-10-29 15:22:01,760 INFO L226 Difference]: Without dead ends: 109033 [2024-10-29 15:22:01,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:01,813 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 256 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:01,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 502 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:22:01,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109033 states. [2024-10-29 15:22:04,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109033 to 95929. [2024-10-29 15:22:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95929 states, 95721 states have (on average 2.9586924499326166) internal successors, (283209), 95928 states have internal predecessors, (283209), 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) [2024-10-29 15:22:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95929 states to 95929 states and 283209 transitions. [2024-10-29 15:22:05,428 INFO L78 Accepts]: Start accepts. Automaton has 95929 states and 283209 transitions. Word has length 29 [2024-10-29 15:22:05,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:05,428 INFO L471 AbstractCegarLoop]: Abstraction has 95929 states and 283209 transitions. [2024-10-29 15:22:05,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-10-29 15:22:05,428 INFO L276 IsEmpty]: Start isEmpty. Operand 95929 states and 283209 transitions. [2024-10-29 15:22:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-29 15:22:05,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:05,429 INFO L215 NwaCegarLoop]: 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] [2024-10-29 15:22:05,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:22:05,430 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-29 15:22:05,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:05,431 INFO L85 PathProgramCache]: Analyzing trace with hash 357497468, now seen corresponding path program 1 times [2024-10-29 15:22:05,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:05,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109347814] [2024-10-29 15:22:05,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:05,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:05,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:05,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109347814] [2024-10-29 15:22:05,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109347814] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:05,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:05,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:05,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363902277] [2024-10-29 15:22:05,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:05,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:05,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:05,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:05,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:05,530 INFO L87 Difference]: Start difference. First operand 95929 states and 283209 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-10-29 15:22:06,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:06,825 INFO L93 Difference]: Finished difference Result 95929 states and 283209 transitions. [2024-10-29 15:22:06,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:06,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) Word has length 43 [2024-10-29 15:22:06,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:07,356 INFO L225 Difference]: With dead ends: 95929 [2024-10-29 15:22:07,356 INFO L226 Difference]: Without dead ends: 95928 [2024-10-29 15:22:07,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:07,392 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 1 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:07,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 554 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-29 15:22:07,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95928 states. [2024-10-29 15:22:09,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95928 to 95928. [2024-10-29 15:22:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95928 states, 95721 states have (on average 2.9586820029042737) internal successors, (283208), 95927 states have internal predecessors, (283208), 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) [2024-10-29 15:22:10,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95928 states to 95928 states and 283208 transitions. [2024-10-29 15:22:10,626 INFO L78 Accepts]: Start accepts. Automaton has 95928 states and 283208 transitions. Word has length 43 [2024-10-29 15:22:10,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:10,627 INFO L471 AbstractCegarLoop]: Abstraction has 95928 states and 283208 transitions. [2024-10-29 15:22:10,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-10-29 15:22:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand 95928 states and 283208 transitions. [2024-10-29 15:22:10,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-29 15:22:10,628 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:10,628 INFO L215 NwaCegarLoop]: 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] [2024-10-29 15:22:10,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:22:10,629 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-29 15:22:10,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:10,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1517070653, now seen corresponding path program 1 times [2024-10-29 15:22:10,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:10,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839910354] [2024-10-29 15:22:10,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:10,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:10,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:10,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839910354] [2024-10-29 15:22:10,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839910354] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:10,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:10,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:10,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523520192] [2024-10-29 15:22:10,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:10,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:10,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:10,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:10,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:10,714 INFO L87 Difference]: Start difference. First operand 95928 states and 283208 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-10-29 15:22:11,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:11,319 INFO L93 Difference]: Finished difference Result 95928 states and 283208 transitions. [2024-10-29 15:22:11,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:11,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) Word has length 45 [2024-10-29 15:22:11,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:12,597 INFO L225 Difference]: With dead ends: 95928 [2024-10-29 15:22:12,598 INFO L226 Difference]: Without dead ends: 95927 [2024-10-29 15:22:12,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:12,628 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 201 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:12,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 583 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:22:12,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95927 states. [2024-10-29 15:22:14,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95927 to 95927. [2024-10-29 15:22:14,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95927 states, 95721 states have (on average 2.958671555875931) internal successors, (283207), 95926 states have internal predecessors, (283207), 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) [2024-10-29 15:22:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95927 states to 95927 states and 283207 transitions. [2024-10-29 15:22:15,213 INFO L78 Accepts]: Start accepts. Automaton has 95927 states and 283207 transitions. Word has length 45 [2024-10-29 15:22:15,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:15,214 INFO L471 AbstractCegarLoop]: Abstraction has 95927 states and 283207 transitions. [2024-10-29 15:22:15,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-10-29 15:22:15,214 INFO L276 IsEmpty]: Start isEmpty. Operand 95927 states and 283207 transitions. [2024-10-29 15:22:15,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-29 15:22:15,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:15,215 INFO L215 NwaCegarLoop]: 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] [2024-10-29 15:22:15,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:22:15,216 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-29 15:22:15,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:15,216 INFO L85 PathProgramCache]: Analyzing trace with hash -375367980, now seen corresponding path program 1 times [2024-10-29 15:22:15,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:15,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656758074] [2024-10-29 15:22:15,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:15,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:15,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:15,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656758074] [2024-10-29 15:22:15,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656758074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:15,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:15,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:15,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455515359] [2024-10-29 15:22:15,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:15,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:15,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:15,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:15,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:15,303 INFO L87 Difference]: Start difference. First operand 95927 states and 283207 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-10-29 15:22:16,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:16,590 INFO L93 Difference]: Finished difference Result 95927 states and 283207 transitions. [2024-10-29 15:22:16,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:16,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) Word has length 51 [2024-10-29 15:22:16,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:17,148 INFO L225 Difference]: With dead ends: 95927 [2024-10-29 15:22:17,148 INFO L226 Difference]: Without dead ends: 95906 [2024-10-29 15:22:17,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:17,193 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 21 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:17,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 592 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:22:17,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95906 states. [2024-10-29 15:22:19,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95906 to 95906. [2024-10-29 15:22:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95906 states, 95703 states have (on average 2.958799619656646) internal successors, (283166), 95905 states have internal predecessors, (283166), 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) [2024-10-29 15:22:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95906 states to 95906 states and 283166 transitions. [2024-10-29 15:22:21,080 INFO L78 Accepts]: Start accepts. Automaton has 95906 states and 283166 transitions. Word has length 51 [2024-10-29 15:22:21,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:21,081 INFO L471 AbstractCegarLoop]: Abstraction has 95906 states and 283166 transitions. [2024-10-29 15:22:21,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-10-29 15:22:21,081 INFO L276 IsEmpty]: Start isEmpty. Operand 95906 states and 283166 transitions. [2024-10-29 15:22:21,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-29 15:22:21,083 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:21,083 INFO L215 NwaCegarLoop]: 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] [2024-10-29 15:22:21,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:22:21,083 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-29 15:22:21,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:21,084 INFO L85 PathProgramCache]: Analyzing trace with hash 929673292, now seen corresponding path program 1 times [2024-10-29 15:22:21,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:21,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916856746] [2024-10-29 15:22:21,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:21,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:21,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:21,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916856746] [2024-10-29 15:22:21,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916856746] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:21,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:21,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:21,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395467505] [2024-10-29 15:22:21,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:21,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:21,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:21,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:21,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:21,170 INFO L87 Difference]: Start difference. First operand 95906 states and 283166 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-10-29 15:22:21,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:21,826 INFO L93 Difference]: Finished difference Result 95906 states and 283166 transitions. [2024-10-29 15:22:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:21,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) Word has length 59 [2024-10-29 15:22:21,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:22,271 INFO L225 Difference]: With dead ends: 95906 [2024-10-29 15:22:22,271 INFO L226 Difference]: Without dead ends: 90689 [2024-10-29 15:22:22,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:22,323 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 226 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:22,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 758 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:22:22,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90689 states. [2024-10-29 15:22:25,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90689 to 90689. [2024-10-29 15:22:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90689 states, 90559 states have (on average 2.9560286663942845) internal successors, (267695), 90688 states have internal predecessors, (267695), 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) [2024-10-29 15:22:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90689 states to 90689 states and 267695 transitions. [2024-10-29 15:22:25,742 INFO L78 Accepts]: Start accepts. Automaton has 90689 states and 267695 transitions. Word has length 59 [2024-10-29 15:22:25,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:25,743 INFO L471 AbstractCegarLoop]: Abstraction has 90689 states and 267695 transitions. [2024-10-29 15:22:25,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-10-29 15:22:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 90689 states and 267695 transitions. [2024-10-29 15:22:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-29 15:22:25,745 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:25,745 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:22:25,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-29 15:22:25,745 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-29 15:22:25,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:25,746 INFO L85 PathProgramCache]: Analyzing trace with hash 567808721, now seen corresponding path program 1 times [2024-10-29 15:22:25,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:25,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219878317] [2024-10-29 15:22:25,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:25,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:25,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:25,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219878317] [2024-10-29 15:22:25,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219878317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:25,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:25,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:22:25,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047176995] [2024-10-29 15:22:25,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:25,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:22:25,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:25,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:22:25,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:25,817 INFO L87 Difference]: Start difference. First operand 90689 states and 267695 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-10-29 15:22:26,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:26,439 INFO L93 Difference]: Finished difference Result 103489 states and 307535 transitions. [2024-10-29 15:22:26,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:22:26,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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) Word has length 60 [2024-10-29 15:22:26,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:27,768 INFO L225 Difference]: With dead ends: 103489 [2024-10-29 15:22:27,768 INFO L226 Difference]: Without dead ends: 101089 [2024-10-29 15:22:27,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:22:27,797 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 184 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:27,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 461 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:22:27,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101089 states.