./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.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_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:56:17,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:56:17,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 19:56:17,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:56:17,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:56:17,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:56:17,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:56:17,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:56:17,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:56:17,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:56:17,262 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:56:17,262 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:56:17,263 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:56:17,263 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:56:17,264 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:56:17,264 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:56:17,265 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:56:17,265 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:56:17,266 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:56:17,266 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:56:17,266 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:56:17,268 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:56:17,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:56:17,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:56:17,270 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:56:17,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:56:17,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:56:17,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:56:17,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:56:17,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:56:17,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:56:17,272 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 19:56:17,272 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 19:56:17,273 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:56:17,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:56:17,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:56:17,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:56:17,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:56:17,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:56:17,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:56:17,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:56:17,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:56:17,274 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:56:17,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:56:17,275 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:56:17,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:56:17,275 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:56:17,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:56:17,275 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d [2023-12-02 19:56:17,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:56:17,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:56:17,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:56:17,521 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:56:17,521 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:56:17,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2023-12-02 19:56:20,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:56:20,566 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:56:20,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2023-12-02 19:56:20,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/data/04e74df99/2dbf69d56708485788a07f230f79aedd/FLAG6dacd3aa8 [2023-12-02 19:56:20,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/data/04e74df99/2dbf69d56708485788a07f230f79aedd [2023-12-02 19:56:20,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:56:20,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:56:20,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:56:20,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:56:20,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:56:20,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:56:20" (1/1) ... [2023-12-02 19:56:20,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20923527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:20, skipping insertion in model container [2023-12-02 19:56:20,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:56:20" (1/1) ... [2023-12-02 19:56:20,677 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:56:21,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:56:21,349 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:56:21,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:56:21,551 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:56:21,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21 WrapperNode [2023-12-02 19:56:21,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:56:21,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:56:21,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:56:21,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:56:21,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,630 INFO L138 Inliner]: procedures = 487, calls = 45, calls flagged for inlining = 16, calls inlined = 21, statements flattened = 289 [2023-12-02 19:56:21,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:56:21,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:56:21,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:56:21,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:56:21,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:56:21,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:56:21,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:56:21,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:56:21,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (1/1) ... [2023-12-02 19:56:21,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:56:21,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:56:21,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:56:21,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:56:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2023-12-02 19:56:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2023-12-02 19:56:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:56:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:56:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2023-12-02 19:56:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2023-12-02 19:56:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 19:56:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:56:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 19:56:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:56:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:56:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:56:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 19:56:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:56:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:56:21,772 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 19:56:22,040 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:56:22,042 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:56:22,368 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:56:22,391 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:56:22,391 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 19:56:22,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:56:22 BoogieIcfgContainer [2023-12-02 19:56:22,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:56:22,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:56:22,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:56:22,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:56:22,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:56:20" (1/3) ... [2023-12-02 19:56:22,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@928f92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:56:22, skipping insertion in model container [2023-12-02 19:56:22,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:21" (2/3) ... [2023-12-02 19:56:22,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@928f92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:56:22, skipping insertion in model container [2023-12-02 19:56:22,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:56:22" (3/3) ... [2023-12-02 19:56:22,402 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2023-12-02 19:56:22,411 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 19:56:22,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:56:22,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-12-02 19:56:22,422 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 19:56:22,528 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-12-02 19:56:22,568 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 440 places, 478 transitions, 983 flow [2023-12-02 19:56:24,902 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 96737 states, 96598 states have (on average 3.1396095157249633) internal successors, (303280), 96736 states have internal predecessors, (303280), 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) [2023-12-02 19:56:25,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:56:25,044 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@6c7e8c40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:56:25,044 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-12-02 19:56:25,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 96737 states, 96598 states have (on average 3.1396095157249633) internal successors, (303280), 96736 states have internal predecessors, (303280), 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) [2023-12-02 19:56:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 19:56:25,158 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:25,158 INFO L195 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] [2023-12-02 19:56:25,159 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:56:25,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:25,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1910435055, now seen corresponding path program 1 times [2023-12-02 19:56:25,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:25,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912527501] [2023-12-02 19:56:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:25,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:25,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:25,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912527501] [2023-12-02 19:56:25,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912527501] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:25,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:25,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:56:25,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205693407] [2023-12-02 19:56:25,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:25,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:56:25,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:25,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:56:25,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:56:25,642 INFO L87 Difference]: Start difference. First operand has 96737 states, 96598 states have (on average 3.1396095157249633) internal successors, (303280), 96736 states have internal predecessors, (303280), 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 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-12-02 19:56:26,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:26,873 INFO L93 Difference]: Finished difference Result 86803 states and 260329 transitions. [2023-12-02 19:56:26,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:56:26,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 30 [2023-12-02 19:56:26,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:27,487 INFO L225 Difference]: With dead ends: 86803 [2023-12-02 19:56:27,487 INFO L226 Difference]: Without dead ends: 86120 [2023-12-02 19:56:27,489 INFO L412 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 [2023-12-02 19:56:27,494 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:27,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:56:27,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86120 states. [2023-12-02 19:56:29,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86120 to 86120. [2023-12-02 19:56:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86120 states, 85948 states have (on average 3.0076208870479824) internal successors, (258499), 86119 states have internal predecessors, (258499), 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) [2023-12-02 19:56:30,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86120 states to 86120 states and 258499 transitions. [2023-12-02 19:56:30,570 INFO L78 Accepts]: Start accepts. Automaton has 86120 states and 258499 transitions. Word has length 30 [2023-12-02 19:56:30,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:30,571 INFO L495 AbstractCegarLoop]: Abstraction has 86120 states and 258499 transitions. [2023-12-02 19:56:30,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-12-02 19:56:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 86120 states and 258499 transitions. [2023-12-02 19:56:30,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 19:56:30,573 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:30,573 INFO L195 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] [2023-12-02 19:56:30,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:56:30,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:56:30,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:30,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1158336408, now seen corresponding path program 1 times [2023-12-02 19:56:30,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:30,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281780980] [2023-12-02 19:56:30,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:30,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:30,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:30,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281780980] [2023-12-02 19:56:30,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281780980] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:30,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:30,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:56:30,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128002022] [2023-12-02 19:56:30,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:30,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:56:30,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:30,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:56:30,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:56:30,685 INFO L87 Difference]: Start difference. First operand 86120 states and 258499 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-12-02 19:56:31,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:31,455 INFO L93 Difference]: Finished difference Result 88663 states and 264592 transitions. [2023-12-02 19:56:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:56:31,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2023-12-02 19:56:31,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:32,190 INFO L225 Difference]: With dead ends: 88663 [2023-12-02 19:56:32,190 INFO L226 Difference]: Without dead ends: 88432 [2023-12-02 19:56:32,190 INFO L412 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 [2023-12-02 19:56:32,192 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 238 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:32,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 477 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:56:32,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88432 states. [2023-12-02 19:56:34,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88432 to 84272. [2023-12-02 19:56:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84272 states, 84134 states have (on average 2.993284522309649) internal successors, (251837), 84271 states have internal predecessors, (251837), 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) [2023-12-02 19:56:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84272 states to 84272 states and 251837 transitions. [2023-12-02 19:56:35,020 INFO L78 Accepts]: Start accepts. Automaton has 84272 states and 251837 transitions. Word has length 33 [2023-12-02 19:56:35,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:35,020 INFO L495 AbstractCegarLoop]: Abstraction has 84272 states and 251837 transitions. [2023-12-02 19:56:35,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-12-02 19:56:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 84272 states and 251837 transitions. [2023-12-02 19:56:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 19:56:35,022 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:35,022 INFO L195 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] [2023-12-02 19:56:35,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 19:56:35,023 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:56:35,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:35,023 INFO L85 PathProgramCache]: Analyzing trace with hash 2025327433, now seen corresponding path program 1 times [2023-12-02 19:56:35,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:35,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200794149] [2023-12-02 19:56:35,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:35,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:35,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200794149] [2023-12-02 19:56:35,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200794149] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:35,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:35,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:56:35,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543991295] [2023-12-02 19:56:35,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:35,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:56:35,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:35,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:56:35,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:56:35,127 INFO L87 Difference]: Start difference. First operand 84272 states and 251837 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2023-12-02 19:56:35,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:35,583 INFO L93 Difference]: Finished difference Result 84271 states and 251836 transitions. [2023-12-02 19:56:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:56:35,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2023-12-02 19:56:35,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:36,121 INFO L225 Difference]: With dead ends: 84271 [2023-12-02 19:56:36,121 INFO L226 Difference]: Without dead ends: 84271 [2023-12-02 19:56:36,122 INFO L412 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 [2023-12-02 19:56:36,123 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:36,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 526 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:56:36,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84271 states. [2023-12-02 19:56:37,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84271 to 84271. [2023-12-02 19:56:37,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84271 states, 84134 states have (on average 2.993272636508427) internal successors, (251836), 84270 states have internal predecessors, (251836), 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) [2023-12-02 19:56:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84271 states to 84271 states and 251836 transitions. [2023-12-02 19:56:38,063 INFO L78 Accepts]: Start accepts. Automaton has 84271 states and 251836 transitions. Word has length 47 [2023-12-02 19:56:38,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:38,064 INFO L495 AbstractCegarLoop]: Abstraction has 84271 states and 251836 transitions. [2023-12-02 19:56:38,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2023-12-02 19:56:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 84271 states and 251836 transitions. [2023-12-02 19:56:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 19:56:38,066 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:38,066 INFO L195 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] [2023-12-02 19:56:38,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 19:56:38,066 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread_usbErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:56:38,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:38,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1740343893, now seen corresponding path program 1 times [2023-12-02 19:56:38,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:38,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024362719] [2023-12-02 19:56:38,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:38,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:38,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:38,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024362719] [2023-12-02 19:56:38,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024362719] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:38,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:38,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:56:38,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281403767] [2023-12-02 19:56:38,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:38,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:56:38,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:38,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:56:38,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:56:38,150 INFO L87 Difference]: Start difference. First operand 84271 states and 251836 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2023-12-02 19:56:38,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:38,938 INFO L93 Difference]: Finished difference Result 84247 states and 251789 transitions. [2023-12-02 19:56:38,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:56:38,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2023-12-02 19:56:38,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:39,286 INFO L225 Difference]: With dead ends: 84247 [2023-12-02 19:56:39,286 INFO L226 Difference]: Without dead ends: 84247 [2023-12-02 19:56:39,286 INFO L412 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 [2023-12-02 19:56:39,288 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 24 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 563 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 [2023-12-02 19:56:39,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 563 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:56:39,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84247 states. [2023-12-02 19:56:41,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84247 to 84247. [2023-12-02 19:56:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84247 states, 84113 states have (on average 2.993461177225875) internal successors, (251789), 84246 states have internal predecessors, (251789), 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) [2023-12-02 19:56:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84247 states to 84247 states and 251789 transitions. [2023-12-02 19:56:41,445 INFO L78 Accepts]: Start accepts. Automaton has 84247 states and 251789 transitions. Word has length 52 [2023-12-02 19:56:41,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:41,445 INFO L495 AbstractCegarLoop]: Abstraction has 84247 states and 251789 transitions. [2023-12-02 19:56:41,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2023-12-02 19:56:41,445 INFO L276 IsEmpty]: Start isEmpty. Operand 84247 states and 251789 transitions. [2023-12-02 19:56:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 19:56:41,448 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:41,449 INFO L195 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, 1] [2023-12-02 19:56:41,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 19:56:41,449 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr1ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:56:41,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:41,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1299352113, now seen corresponding path program 1 times [2023-12-02 19:56:41,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:41,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809256798] [2023-12-02 19:56:41,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:41,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:41,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:41,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809256798] [2023-12-02 19:56:41,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809256798] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:41,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:41,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:56:41,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846108952] [2023-12-02 19:56:41,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:41,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:56:41,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:41,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:56:41,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:56:41,542 INFO L87 Difference]: Start difference. First operand 84247 states and 251789 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2023-12-02 19:56:42,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:42,350 INFO L93 Difference]: Finished difference Result 94015 states and 283350 transitions. [2023-12-02 19:56:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:56:42,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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 61 [2023-12-02 19:56:42,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:42,652 INFO L225 Difference]: With dead ends: 94015 [2023-12-02 19:56:42,652 INFO L226 Difference]: Without dead ends: 94015 [2023-12-02 19:56:42,652 INFO L412 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 [2023-12-02 19:56:42,653 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 186 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 470 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 [2023-12-02 19:56:42,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 470 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:56:42,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94015 states. [2023-12-02 19:56:44,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94015 to 81583. [2023-12-02 19:56:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81583 states, 81485 states have (on average 2.9932871080566974) internal successors, (243908), 81582 states have internal predecessors, (243908), 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) [2023-12-02 19:56:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81583 states to 81583 states and 243908 transitions. [2023-12-02 19:56:45,097 INFO L78 Accepts]: Start accepts. Automaton has 81583 states and 243908 transitions. Word has length 61 [2023-12-02 19:56:45,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:45,098 INFO L495 AbstractCegarLoop]: Abstraction has 81583 states and 243908 transitions. [2023-12-02 19:56:45,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2023-12-02 19:56:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 81583 states and 243908 transitions. [2023-12-02 19:56:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 19:56:45,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:45,101 INFO L195 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, 1, 1, 1] [2023-12-02 19:56:45,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 19:56:45,101 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:56:45,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:45,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1376613524, now seen corresponding path program 1 times [2023-12-02 19:56:45,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:45,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429906420] [2023-12-02 19:56:45,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:45,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:45,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:45,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429906420] [2023-12-02 19:56:45,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429906420] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:45,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:45,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:56:45,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281838762] [2023-12-02 19:56:45,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:45,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 19:56:45,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:45,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 19:56:45,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 19:56:45,701 INFO L87 Difference]: Start difference. First operand 81583 states and 243908 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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) [2023-12-02 19:56:46,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:46,621 INFO L93 Difference]: Finished difference Result 78197 states and 233603 transitions. [2023-12-02 19:56:46,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:56:46,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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 63 [2023-12-02 19:56:46,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:46,858 INFO L225 Difference]: With dead ends: 78197 [2023-12-02 19:56:46,859 INFO L226 Difference]: Without dead ends: 77721 [2023-12-02 19:56:46,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 19:56:46,860 INFO L413 NwaCegarLoop]: 924 mSDtfsCounter, 736 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:46,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 2133 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 19:56:47,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77721 states. [2023-12-02 19:56:48,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77721 to 77721. [2023-12-02 19:56:48,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77721 states, 77659 states have (on average 2.99219665460539) internal successors, (232371), 77720 states have internal predecessors, (232371), 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) [2023-12-02 19:56:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77721 states to 77721 states and 232371 transitions. [2023-12-02 19:56:48,930 INFO L78 Accepts]: Start accepts. Automaton has 77721 states and 232371 transitions. Word has length 63 [2023-12-02 19:56:48,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:48,930 INFO L495 AbstractCegarLoop]: Abstraction has 77721 states and 232371 transitions. [2023-12-02 19:56:48,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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) [2023-12-02 19:56:48,931 INFO L276 IsEmpty]: Start isEmpty. Operand 77721 states and 232371 transitions. [2023-12-02 19:56:48,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 19:56:48,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:48,933 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:56:48,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 19:56:48,934 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr9ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:56:48,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:48,934 INFO L85 PathProgramCache]: Analyzing trace with hash -666149013, now seen corresponding path program 1 times [2023-12-02 19:56:48,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:48,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357915525] [2023-12-02 19:56:48,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:48,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:49,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:49,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357915525] [2023-12-02 19:56:49,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357915525] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:49,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:49,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:56:49,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074524567] [2023-12-02 19:56:49,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:49,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:56:49,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:49,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:56:49,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:56:49,006 INFO L87 Difference]: Start difference. First operand 77721 states and 232371 transitions. Second operand has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 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) [2023-12-02 19:56:49,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:49,513 INFO L93 Difference]: Finished difference Result 79180 states and 236716 transitions. [2023-12-02 19:56:49,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:56:49,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 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 70 [2023-12-02 19:56:49,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:49,766 INFO L225 Difference]: With dead ends: 79180 [2023-12-02 19:56:49,767 INFO L226 Difference]: Without dead ends: 79012 [2023-12-02 19:56:49,767 INFO L412 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 [2023-12-02 19:56:49,768 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 59 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:49,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 537 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:56:49,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79012 states. [2023-12-02 19:56:51,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79012 to 78243. [2023-12-02 19:56:51,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78243 states, 78185 states have (on average 2.9916096437935664) internal successors, (233899), 78242 states have internal predecessors, (233899), 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) [2023-12-02 19:56:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78243 states to 78243 states and 233899 transitions. [2023-12-02 19:56:51,926 INFO L78 Accepts]: Start accepts. Automaton has 78243 states and 233899 transitions. Word has length 70 [2023-12-02 19:56:51,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:51,926 INFO L495 AbstractCegarLoop]: Abstraction has 78243 states and 233899 transitions. [2023-12-02 19:56:51,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 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) [2023-12-02 19:56:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 78243 states and 233899 transitions. [2023-12-02 19:56:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 19:56:51,930 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:51,930 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:56:51,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 19:56:51,931 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:56:51,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:51,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1985837229, now seen corresponding path program 1 times [2023-12-02 19:56:51,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:51,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726042813] [2023-12-02 19:56:51,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:51,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:52,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:52,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:52,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726042813] [2023-12-02 19:56:52,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726042813] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:52,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:52,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:56:52,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723046310] [2023-12-02 19:56:52,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:52,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:56:52,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:52,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:56:52,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:56:52,042 INFO L87 Difference]: Start difference. First operand 78243 states and 233899 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2023-12-02 19:56:52,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:52,406 INFO L93 Difference]: Finished difference Result 78703 states and 234862 transitions. [2023-12-02 19:56:52,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:56:52,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2023-12-02 19:56:52,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:52,638 INFO L225 Difference]: With dead ends: 78703 [2023-12-02 19:56:52,638 INFO L226 Difference]: Without dead ends: 78685 [2023-12-02 19:56:52,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:56:52,639 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 201 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:52,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 371 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:56:52,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78685 states. [2023-12-02 19:56:54,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78685 to 78685. [2023-12-02 19:56:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78685 states, 78627 states have (on average 2.9865822173044885) internal successors, (234826), 78684 states have internal predecessors, (234826), 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) [2023-12-02 19:56:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78685 states to 78685 states and 234826 transitions. [2023-12-02 19:56:54,813 INFO L78 Accepts]: Start accepts. Automaton has 78685 states and 234826 transitions. Word has length 72 [2023-12-02 19:56:54,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:54,813 INFO L495 AbstractCegarLoop]: Abstraction has 78685 states and 234826 transitions. [2023-12-02 19:56:54,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2023-12-02 19:56:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 78685 states and 234826 transitions. [2023-12-02 19:56:54,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 19:56:54,820 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:54,820 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:56:54,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 19:56:54,820 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:56:54,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:54,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1266217786, now seen corresponding path program 1 times [2023-12-02 19:56:54,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:54,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351783644] [2023-12-02 19:56:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:54,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:54,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:54,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351783644] [2023-12-02 19:56:54,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351783644] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:54,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:54,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:56:54,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101575498] [2023-12-02 19:56:54,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:54,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:56:54,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:54,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:56:54,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:56:54,908 INFO L87 Difference]: Start difference. First operand 78685 states and 234826 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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) [2023-12-02 19:56:55,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:55,466 INFO L93 Difference]: Finished difference Result 77680 states and 231597 transitions. [2023-12-02 19:56:55,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:56:55,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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 88 [2023-12-02 19:56:55,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:55,722 INFO L225 Difference]: With dead ends: 77680 [2023-12-02 19:56:55,723 INFO L226 Difference]: Without dead ends: 73480 [2023-12-02 19:56:55,723 INFO L412 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 [2023-12-02 19:56:55,724 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 140 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:55,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 613 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:56:56,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73480 states. [2023-12-02 19:56:57,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73480 to 73224. [2023-12-02 19:56:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73224 states, 73179 states have (on average 2.9869498080050287) internal successors, (218582), 73223 states have internal predecessors, (218582), 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) [2023-12-02 19:56:57,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73224 states to 73224 states and 218582 transitions. [2023-12-02 19:56:57,757 INFO L78 Accepts]: Start accepts. Automaton has 73224 states and 218582 transitions. Word has length 88 [2023-12-02 19:56:57,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:56:57,758 INFO L495 AbstractCegarLoop]: Abstraction has 73224 states and 218582 transitions. [2023-12-02 19:56:57,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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) [2023-12-02 19:56:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 73224 states and 218582 transitions. [2023-12-02 19:56:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 19:56:57,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:56:57,763 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:56:57,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 19:56:57,764 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread_usbErr2ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:56:57,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:56:57,764 INFO L85 PathProgramCache]: Analyzing trace with hash 330173128, now seen corresponding path program 1 times [2023-12-02 19:56:57,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:56:57,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224149796] [2023-12-02 19:56:57,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:56:57,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:56:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:56:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:56:57,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:56:57,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224149796] [2023-12-02 19:56:57,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224149796] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:56:57,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:56:57,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:56:57,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329353120] [2023-12-02 19:56:57,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:56:57,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:56:57,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:56:57,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:56:57,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:56:57,815 INFO L87 Difference]: Start difference. First operand 73224 states and 218582 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 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) [2023-12-02 19:56:58,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:56:58,144 INFO L93 Difference]: Finished difference Result 72396 states and 216134 transitions. [2023-12-02 19:56:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:56:58,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 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 89 [2023-12-02 19:56:58,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:56:58,322 INFO L225 Difference]: With dead ends: 72396 [2023-12-02 19:56:58,322 INFO L226 Difference]: Without dead ends: 72396 [2023-12-02 19:56:58,322 INFO L412 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 [2023-12-02 19:56:58,323 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 59 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:56:58,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 552 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:56:58,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72396 states. [2023-12-02 19:56:59,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72396 to 72396. [2023-12-02 19:56:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72396 states, 72357 states have (on average 2.987050319941402) internal successors, (216134), 72395 states have internal predecessors, (216134), 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) [2023-12-02 19:57:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72396 states to 72396 states and 216134 transitions. [2023-12-02 19:57:00,413 INFO L78 Accepts]: Start accepts. Automaton has 72396 states and 216134 transitions. Word has length 89 [2023-12-02 19:57:00,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:00,414 INFO L495 AbstractCegarLoop]: Abstraction has 72396 states and 216134 transitions. [2023-12-02 19:57:00,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 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) [2023-12-02 19:57:00,414 INFO L276 IsEmpty]: Start isEmpty. Operand 72396 states and 216134 transitions. [2023-12-02 19:57:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 19:57:00,443 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:00,443 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:57:00,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 19:57:00,444 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:57:00,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:00,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1147406367, now seen corresponding path program 1 times [2023-12-02 19:57:00,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:00,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795476418] [2023-12-02 19:57:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:00,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:57:00,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:00,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795476418] [2023-12-02 19:57:00,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795476418] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:00,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:00,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:57:00,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329659331] [2023-12-02 19:57:00,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:00,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:57:00,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:00,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:57:00,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:57:00,557 INFO L87 Difference]: Start difference. First operand 72396 states and 216134 transitions. Second operand has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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) [2023-12-02 19:57:01,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:01,027 INFO L93 Difference]: Finished difference Result 72450 states and 216239 transitions. [2023-12-02 19:57:01,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:57:01,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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 105 [2023-12-02 19:57:01,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:01,244 INFO L225 Difference]: With dead ends: 72450 [2023-12-02 19:57:01,244 INFO L226 Difference]: Without dead ends: 70446 [2023-12-02 19:57:01,244 INFO L412 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 [2023-12-02 19:57:01,245 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 37 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:01,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 512 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:57:01,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70446 states. [2023-12-02 19:57:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70446 to 70418. [2023-12-02 19:57:02,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70418 states, 70382 states have (on average 2.9897701116762807) internal successors, (210426), 70417 states have internal predecessors, (210426), 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) [2023-12-02 19:57:03,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70418 states to 70418 states and 210426 transitions. [2023-12-02 19:57:03,035 INFO L78 Accepts]: Start accepts. Automaton has 70418 states and 210426 transitions. Word has length 105 [2023-12-02 19:57:03,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:03,036 INFO L495 AbstractCegarLoop]: Abstraction has 70418 states and 210426 transitions. [2023-12-02 19:57:03,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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) [2023-12-02 19:57:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 70418 states and 210426 transitions. [2023-12-02 19:57:03,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 19:57:03,065 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:03,066 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:57:03,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 19:57:03,066 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:57:03,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:03,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1964724749, now seen corresponding path program 1 times [2023-12-02 19:57:03,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:03,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994329846] [2023-12-02 19:57:03,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:03,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:57:03,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:03,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994329846] [2023-12-02 19:57:03,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994329846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:03,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:03,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:57:03,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853055724] [2023-12-02 19:57:03,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:03,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:57:03,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:03,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:57:03,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:57:03,476 INFO L87 Difference]: Start difference. First operand 70418 states and 210426 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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) [2023-12-02 19:57:04,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:04,176 INFO L93 Difference]: Finished difference Result 128047 states and 383340 transitions. [2023-12-02 19:57:04,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 19:57:04,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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 107 [2023-12-02 19:57:04,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:04,546 INFO L225 Difference]: With dead ends: 128047 [2023-12-02 19:57:04,546 INFO L226 Difference]: Without dead ends: 128047 [2023-12-02 19:57:04,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 19:57:04,547 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 376 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:04,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 1647 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:57:04,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128047 states. [2023-12-02 19:57:06,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128047 to 75248. [2023-12-02 19:57:06,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75248 states, 75212 states have (on average 2.989469765462958) internal successors, (224844), 75247 states have internal predecessors, (224844), 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) [2023-12-02 19:57:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75248 states to 75248 states and 224844 transitions. [2023-12-02 19:57:07,002 INFO L78 Accepts]: Start accepts. Automaton has 75248 states and 224844 transitions. Word has length 107 [2023-12-02 19:57:07,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:07,002 INFO L495 AbstractCegarLoop]: Abstraction has 75248 states and 224844 transitions. [2023-12-02 19:57:07,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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) [2023-12-02 19:57:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 75248 states and 224844 transitions. [2023-12-02 19:57:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 19:57:07,033 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:07,033 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:57:07,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 19:57:07,033 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:57:07,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:07,034 INFO L85 PathProgramCache]: Analyzing trace with hash 296856109, now seen corresponding path program 1 times [2023-12-02 19:57:07,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:07,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36684819] [2023-12-02 19:57:07,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:07,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:07,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:57:07,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:07,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36684819] [2023-12-02 19:57:07,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36684819] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:07,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:07,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:57:07,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415801439] [2023-12-02 19:57:07,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:07,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:57:07,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:07,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:57:07,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:57:07,191 INFO L87 Difference]: Start difference. First operand 75248 states and 224844 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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) [2023-12-02 19:57:08,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:08,043 INFO L93 Difference]: Finished difference Result 149497 states and 442321 transitions. [2023-12-02 19:57:08,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 19:57:08,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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 107 [2023-12-02 19:57:08,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:08,763 INFO L225 Difference]: With dead ends: 149497 [2023-12-02 19:57:08,763 INFO L226 Difference]: Without dead ends: 149497 [2023-12-02 19:57:08,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 19:57:08,764 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 636 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:08,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 1683 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:57:09,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149497 states. [2023-12-02 19:57:10,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149497 to 79250. [2023-12-02 19:57:10,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79250 states, 79214 states have (on average 2.9930315348297016) internal successors, (237090), 79249 states have internal predecessors, (237090), 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) [2023-12-02 19:57:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79250 states to 79250 states and 237090 transitions. [2023-12-02 19:57:11,053 INFO L78 Accepts]: Start accepts. Automaton has 79250 states and 237090 transitions. Word has length 107 [2023-12-02 19:57:11,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:11,053 INFO L495 AbstractCegarLoop]: Abstraction has 79250 states and 237090 transitions. [2023-12-02 19:57:11,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 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) [2023-12-02 19:57:11,054 INFO L276 IsEmpty]: Start isEmpty. Operand 79250 states and 237090 transitions. [2023-12-02 19:57:11,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 19:57:11,083 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:11,083 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:57:11,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 19:57:11,083 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread_usbErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:57:11,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:11,084 INFO L85 PathProgramCache]: Analyzing trace with hash 396433175, now seen corresponding path program 1 times [2023-12-02 19:57:11,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:11,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866682575] [2023-12-02 19:57:11,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:11,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:57:11,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:11,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866682575] [2023-12-02 19:57:11,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866682575] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:11,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:11,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:57:11,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116870577] [2023-12-02 19:57:11,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:11,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:57:11,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:11,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:57:11,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:57:11,208 INFO L87 Difference]: Start difference. First operand 79250 states and 237090 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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) [2023-12-02 19:57:12,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:12,031 INFO L93 Difference]: Finished difference Result 93317 states and 275209 transitions. [2023-12-02 19:57:12,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:57:12,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 110 [2023-12-02 19:57:12,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:12,323 INFO L225 Difference]: With dead ends: 93317 [2023-12-02 19:57:12,323 INFO L226 Difference]: Without dead ends: 92190 [2023-12-02 19:57:12,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 19:57:12,324 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 334 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:12,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 1488 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:57:12,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92190 states. [2023-12-02 19:57:14,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92190 to 78261. [2023-12-02 19:57:14,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78261 states, 78225 states have (on average 2.98320230105465) internal successors, (233361), 78260 states have internal predecessors, (233361), 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) [2023-12-02 19:57:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78261 states to 78261 states and 233361 transitions. [2023-12-02 19:57:14,470 INFO L78 Accepts]: Start accepts. Automaton has 78261 states and 233361 transitions. Word has length 110 [2023-12-02 19:57:14,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:14,470 INFO L495 AbstractCegarLoop]: Abstraction has 78261 states and 233361 transitions. [2023-12-02 19:57:14,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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) [2023-12-02 19:57:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 78261 states and 233361 transitions. [2023-12-02 19:57:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 19:57:14,492 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:14,492 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:57:14,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 19:57:14,492 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread_usbErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:57:14,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:14,493 INFO L85 PathProgramCache]: Analyzing trace with hash 497619703, now seen corresponding path program 1 times [2023-12-02 19:57:14,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:14,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86255096] [2023-12-02 19:57:14,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:14,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:57:14,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:14,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86255096] [2023-12-02 19:57:14,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86255096] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:14,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:14,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:57:14,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577055688] [2023-12-02 19:57:14,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:14,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:57:14,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:14,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:57:14,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:57:14,615 INFO L87 Difference]: Start difference. First operand 78261 states and 233361 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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) [2023-12-02 19:57:15,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:15,470 INFO L93 Difference]: Finished difference Result 91247 states and 269273 transitions. [2023-12-02 19:57:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:57:15,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 110 [2023-12-02 19:57:15,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:15,701 INFO L225 Difference]: With dead ends: 91247 [2023-12-02 19:57:15,701 INFO L226 Difference]: Without dead ends: 89959 [2023-12-02 19:57:15,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 19:57:15,702 INFO L413 NwaCegarLoop]: 471 mSDtfsCounter, 296 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:15,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1539 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:57:15,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89959 states. [2023-12-02 19:57:17,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89959 to 76858. [2023-12-02 19:57:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76858 states, 76824 states have (on average 2.9827137352910547) internal successors, (229144), 76857 states have internal predecessors, (229144), 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) [2023-12-02 19:57:17,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76858 states to 76858 states and 229144 transitions. [2023-12-02 19:57:17,603 INFO L78 Accepts]: Start accepts. Automaton has 76858 states and 229144 transitions. Word has length 110 [2023-12-02 19:57:17,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:17,603 INFO L495 AbstractCegarLoop]: Abstraction has 76858 states and 229144 transitions. [2023-12-02 19:57:17,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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) [2023-12-02 19:57:17,603 INFO L276 IsEmpty]: Start isEmpty. Operand 76858 states and 229144 transitions. [2023-12-02 19:57:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 19:57:17,634 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:17,634 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:57:17,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 19:57:17,635 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread_usbErr4ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:57:17,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:17,635 INFO L85 PathProgramCache]: Analyzing trace with hash 919228448, now seen corresponding path program 1 times [2023-12-02 19:57:17,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:17,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273030799] [2023-12-02 19:57:17,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:17,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 19:57:18,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:18,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273030799] [2023-12-02 19:57:18,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273030799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:18,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:18,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:57:18,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018676163] [2023-12-02 19:57:18,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:18,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 19:57:18,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:18,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 19:57:18,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 19:57:18,379 INFO L87 Difference]: Start difference. First operand 76858 states and 229144 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 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) [2023-12-02 19:57:19,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:19,173 INFO L93 Difference]: Finished difference Result 149759 states and 448107 transitions. [2023-12-02 19:57:19,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:57:19,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 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 116 [2023-12-02 19:57:19,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:19,583 INFO L225 Difference]: With dead ends: 149759 [2023-12-02 19:57:19,583 INFO L226 Difference]: Without dead ends: 148724 [2023-12-02 19:57:19,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 19:57:19,584 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 362 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:19,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 1468 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:57:20,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148724 states. [2023-12-02 19:57:22,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148724 to 75501. [2023-12-02 19:57:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75501 states, 75471 states have (on average 2.9827218401770215) internal successors, (225109), 75500 states have internal predecessors, (225109), 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) [2023-12-02 19:57:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75501 states to 75501 states and 225109 transitions. [2023-12-02 19:57:22,395 INFO L78 Accepts]: Start accepts. Automaton has 75501 states and 225109 transitions. Word has length 116 [2023-12-02 19:57:22,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:22,395 INFO L495 AbstractCegarLoop]: Abstraction has 75501 states and 225109 transitions. [2023-12-02 19:57:22,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 states have internal predecessors, (112), 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) [2023-12-02 19:57:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 75501 states and 225109 transitions. [2023-12-02 19:57:22,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 19:57:22,435 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:22,436 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-02 19:57:22,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 19:57:22,436 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:57:22,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:22,436 INFO L85 PathProgramCache]: Analyzing trace with hash 418415591, now seen corresponding path program 1 times [2023-12-02 19:57:22,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:22,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826931491] [2023-12-02 19:57:22,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:22,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:22,568 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:57:22,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:22,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826931491] [2023-12-02 19:57:22,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826931491] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:22,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:22,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:57:22,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581550066] [2023-12-02 19:57:22,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:22,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:57:22,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:22,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:57:22,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:57:22,570 INFO L87 Difference]: Start difference. First operand 75501 states and 225109 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-12-02 19:57:22,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:22,799 INFO L93 Difference]: Finished difference Result 41125 states and 122898 transitions. [2023-12-02 19:57:22,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:57:22,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 119 [2023-12-02 19:57:22,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:22,876 INFO L225 Difference]: With dead ends: 41125 [2023-12-02 19:57:22,876 INFO L226 Difference]: Without dead ends: 38296 [2023-12-02 19:57:22,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:57:22,877 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 88 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:22,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 442 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:57:22,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38296 states. [2023-12-02 19:57:23,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38296 to 38296. [2023-12-02 19:57:23,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38296 states, 38292 states have (on average 2.987464744594171) internal successors, (114396), 38295 states have internal predecessors, (114396), 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) [2023-12-02 19:57:23,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38296 states to 38296 states and 114396 transitions. [2023-12-02 19:57:23,909 INFO L78 Accepts]: Start accepts. Automaton has 38296 states and 114396 transitions. Word has length 119 [2023-12-02 19:57:23,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:23,909 INFO L495 AbstractCegarLoop]: Abstraction has 38296 states and 114396 transitions. [2023-12-02 19:57:23,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-12-02 19:57:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 38296 states and 114396 transitions. [2023-12-02 19:57:23,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-02 19:57:23,986 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:23,987 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:57:23,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 19:57:23,987 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread_usbErr5ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:57:23,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:23,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1619353155, now seen corresponding path program 1 times [2023-12-02 19:57:23,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:23,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366842983] [2023-12-02 19:57:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:23,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 19:57:24,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:24,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366842983] [2023-12-02 19:57:24,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366842983] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:24,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:24,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:57:24,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563628653] [2023-12-02 19:57:24,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:24,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:57:24,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:24,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:57:24,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:57:24,072 INFO L87 Difference]: Start difference. First operand 38296 states and 114396 transitions. Second operand has 3 states, 2 states have (on average 66.5) internal successors, (133), 3 states have internal predecessors, (133), 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) [2023-12-02 19:57:24,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:24,232 INFO L93 Difference]: Finished difference Result 38273 states and 114351 transitions. [2023-12-02 19:57:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:57:24,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 66.5) internal successors, (133), 3 states have internal predecessors, (133), 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 137 [2023-12-02 19:57:24,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:24,313 INFO L225 Difference]: With dead ends: 38273 [2023-12-02 19:57:24,313 INFO L226 Difference]: Without dead ends: 38273 [2023-12-02 19:57:24,313 INFO L412 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 [2023-12-02 19:57:24,314 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 23 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:24,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 401 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:57:24,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38273 states. [2023-12-02 19:57:25,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38273 to 38273. [2023-12-02 19:57:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38273 states, 38271 states have (on average 2.987928196284393) internal successors, (114351), 38272 states have internal predecessors, (114351), 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) [2023-12-02 19:57:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38273 states to 38273 states and 114351 transitions. [2023-12-02 19:57:25,260 INFO L78 Accepts]: Start accepts. Automaton has 38273 states and 114351 transitions. Word has length 137 [2023-12-02 19:57:25,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:25,260 INFO L495 AbstractCegarLoop]: Abstraction has 38273 states and 114351 transitions. [2023-12-02 19:57:25,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 66.5) internal successors, (133), 3 states have internal predecessors, (133), 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) [2023-12-02 19:57:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 38273 states and 114351 transitions. [2023-12-02 19:57:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 19:57:25,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:57:25,319 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:57:25,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 19:57:25,319 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread_usbErr6ASSERT_VIOLATIONDATA_RACE === [thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE, thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-12-02 19:57:25,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:57:25,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1024737157, now seen corresponding path program 1 times [2023-12-02 19:57:25,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:57:25,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628086451] [2023-12-02 19:57:25,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:57:25,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:57:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:57:25,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 19:57:25,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:57:25,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628086451] [2023-12-02 19:57:25,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628086451] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:57:25,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:57:25,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:57:25,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008001464] [2023-12-02 19:57:25,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:57:25,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:57:25,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:57:25,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:57:25,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:57:25,406 INFO L87 Difference]: Start difference. First operand 38273 states and 114351 transitions. Second operand has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-12-02 19:57:25,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:57:25,590 INFO L93 Difference]: Finished difference Result 38250 states and 114306 transitions. [2023-12-02 19:57:25,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:57:25,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 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 142 [2023-12-02 19:57:25,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:57:25,591 INFO L225 Difference]: With dead ends: 38250 [2023-12-02 19:57:25,591 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 19:57:25,592 INFO L412 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 [2023-12-02 19:57:25,592 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 23 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:57:25,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 399 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:57:25,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 19:57:25,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 19:57:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-12-02 19:57:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 19:57:25,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2023-12-02 19:57:25,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:57:25,593 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 19:57:25,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-12-02 19:57:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 19:57:25,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 19:57:25,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2023-12-02 19:57:25,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2023-12-02 19:57:25,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2023-12-02 19:57:25,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2023-12-02 19:57:25,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2023-12-02 19:57:25,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2023-12-02 19:57:25,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2023-12-02 19:57:25,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2023-12-02 19:57:25,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2023-12-02 19:57:25,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 36 remaining) [2023-12-02 19:57:25,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2023-12-02 19:57:25,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2023-12-02 19:57:25,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2023-12-02 19:57:25,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2023-12-02 19:57:25,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2023-12-02 19:57:25,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2023-12-02 19:57:25,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2023-12-02 19:57:25,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2023-12-02 19:57:25,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2023-12-02 19:57:25,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2023-12-02 19:57:25,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2023-12-02 19:57:25,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2023-12-02 19:57:25,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONDATA_RACE (13 of 36 remaining) [2023-12-02 19:57:25,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr1ASSERT_VIOLATIONDATA_RACE (12 of 36 remaining) [2023-12-02 19:57:25,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2023-12-02 19:57:25,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr9ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2023-12-02 19:57:25,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2023-12-02 19:57:25,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr10ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2023-12-02 19:57:25,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2023-12-02 19:57:25,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr8ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2023-12-02 19:57:25,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr4ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2023-12-02 19:57:25,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr5ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2023-12-02 19:57:25,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr6ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2023-12-02 19:57:25,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2023-12-02 19:57:25,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr7ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2023-12-02 19:57:25,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 36 remaining) [2023-12-02 19:57:25,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 19:57:25,605 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:57:25,611 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 19:57:25,611 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:57:25,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:57:25 BasicIcfg [2023-12-02 19:57:25,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:57:25,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:57:25,614 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:57:25,614 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:57:25,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:56:22" (3/4) ... [2023-12-02 19:57:25,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 19:57:25,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2023-12-02 19:57:25,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2023-12-02 19:57:25,625 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-02 19:57:25,625 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 19:57:25,626 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 19:57:25,626 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 19:57:25,721 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 19:57:25,722 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 19:57:25,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:57:25,723 INFO L158 Benchmark]: Toolchain (without parser) took 65113.13ms. Allocated memory was 127.9MB in the beginning and 14.9GB in the end (delta: 14.8GB). Free memory was 92.6MB in the beginning and 8.6GB in the end (delta: -8.5GB). Peak memory consumption was 6.3GB. Max. memory is 16.1GB. [2023-12-02 19:57:25,723 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:57:25,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 941.06ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 92.6MB in the beginning and 118.4MB in the end (delta: -25.8MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2023-12-02 19:57:25,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.27ms. Allocated memory is still 159.4MB. Free memory was 118.4MB in the beginning and 114.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 19:57:25,725 INFO L158 Benchmark]: Boogie Preprocessor took 56.77ms. Allocated memory is still 159.4MB. Free memory was 114.2MB in the beginning and 110.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 19:57:25,725 INFO L158 Benchmark]: RCFGBuilder took 703.95ms. Allocated memory is still 159.4MB. Free memory was 110.2MB in the beginning and 78.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 19:57:25,726 INFO L158 Benchmark]: TraceAbstraction took 63218.17ms. Allocated memory was 159.4MB in the beginning and 14.9GB in the end (delta: 14.7GB). Free memory was 77.6MB in the beginning and 8.6GB in the end (delta: -8.5GB). Peak memory consumption was 6.2GB. Max. memory is 16.1GB. [2023-12-02 19:57:25,726 INFO L158 Benchmark]: Witness Printer took 108.08ms. Allocated memory is still 14.9GB. Free memory was 8.6GB in the beginning and 8.6GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:57:25,728 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 941.06ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 92.6MB in the beginning and 118.4MB in the end (delta: -25.8MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.27ms. Allocated memory is still 159.4MB. Free memory was 118.4MB in the beginning and 114.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.77ms. Allocated memory is still 159.4MB. Free memory was 114.2MB in the beginning and 110.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 703.95ms. Allocated memory is still 159.4MB. Free memory was 110.2MB in the beginning and 78.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 63218.17ms. Allocated memory was 159.4MB in the beginning and 14.9GB in the end (delta: 14.7GB). Free memory was 77.6MB in the beginning and 8.6GB in the end (delta: -8.5GB). Peak memory consumption was 6.2GB. Max. memory is 16.1GB. * Witness Printer took 108.08ms. Allocated memory is still 14.9GB. Free memory was 8.6GB in the beginning and 8.6GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 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: 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: 1752]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 484 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 62.9s, OverallIterations: 19, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3820 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3820 mSDsluCounter, 16363 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9199 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1023 IncrementalHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 7164 mSDtfsCounter, 1023 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96737occurred in iteration=0, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 38.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 240944 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1658 NumberOfCodeBlocks, 1658 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1639 ConstructedInterpolants, 0 QuantifiedInterpolants, 1963 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 46/46 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 19:57:25,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc3932-ebe7-4223-bdbb-07f80e540472/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE