./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje --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 3a956b76a4ba98ce13df4d83ef2fb7ffa0973225ecb152c14bcfbb55b6546601 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:42:29,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:42:29,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 05:42:29,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:42:29,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:42:29,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:42:29,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:42:29,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:42:29,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:42:29,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:42:29,654 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:42:29,655 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:42:29,656 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:42:29,656 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:42:29,659 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:42:29,659 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:42:29,660 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:42:29,660 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:42:29,660 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:42:29,661 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:42:29,661 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:42:29,665 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:42:29,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:42:29,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:42:29,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:42:29,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:42:29,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:42:29,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:42:29,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:42:29,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:42:29,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:42:29,669 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 05:42:29,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:42:29,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:42:29,672 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:42:29,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:42:29,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:42:29,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:42:29,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:42:29,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:42:29,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:42:29,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:42:29,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:42:29,676 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:42:29,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:42:29,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:42:29,677 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:42:29,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:42:29,678 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_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a956b76a4ba98ce13df4d83ef2fb7ffa0973225ecb152c14bcfbb55b6546601 [2024-11-09 05:42:29,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:42:29,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:42:29,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:42:29,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:42:29,977 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:42:29,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i Unable to find full path for "g++" [2024-11-09 05:42:32,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:42:32,330 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:42:32,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2024-11-09 05:42:32,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/data/5fa686d3d/663e0f674baf46d197c0328bef31ef1c/FLAG19a84a954 [2024-11-09 05:42:32,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/data/5fa686d3d/663e0f674baf46d197c0328bef31ef1c [2024-11-09 05:42:32,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:42:32,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:42:32,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:42:32,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:42:32,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:42:32,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:42:32" (1/1) ... [2024-11-09 05:42:32,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113e15f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:32, skipping insertion in model container [2024-11-09 05:42:32,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:42:32" (1/1) ... [2024-11-09 05:42:32,727 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:42:33,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:42:33,326 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:42:33,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:42:33,484 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:42:33,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33 WrapperNode [2024-11-09 05:42:33,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:42:33,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:42:33,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:42:33,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:42:33,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,574 INFO L138 Inliner]: procedures = 224, calls = 44, calls flagged for inlining = 16, calls inlined = 10, statements flattened = 194 [2024-11-09 05:42:33,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:42:33,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:42:33,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:42:33,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:42:33,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:42:33,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:42:33,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:42:33,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:42:33,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (1/1) ... [2024-11-09 05:42:33,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:42:33,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:42:33,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:42:33,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc8ed50a-53fa-4216-a1cc-66c0b4b63764/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:42:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:42:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:42:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:42:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:42:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:42:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:42:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2024-11-09 05:42:33,746 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2024-11-09 05:42:33,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:42:33,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:42:33,748 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 05:42:33,959 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:42:33,965 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:42:34,584 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:42:34,584 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:42:34,614 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:42:34,614 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:42:34,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:42:34 BoogieIcfgContainer [2024-11-09 05:42:34,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:42:34,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:42:34,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:42:34,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:42:34,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:42:32" (1/3) ... [2024-11-09 05:42:34,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264f59ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:42:34, skipping insertion in model container [2024-11-09 05:42:34,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:42:33" (2/3) ... [2024-11-09 05:42:34,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264f59ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:42:34, skipping insertion in model container [2024-11-09 05:42:34,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:42:34" (3/3) ... [2024-11-09 05:42:34,627 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2024-11-09 05:42:34,649 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:42:34,650 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-09 05:42:34,650 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:42:34,769 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 05:42:34,816 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 231 places, 239 transitions, 485 flow [2024-11-09 05:42:35,196 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7760 states, 7710 states have (on average 2.1137483787289235) internal successors, (16297), 7759 states have internal predecessors, (16297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:35,227 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:42:35,235 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@4ebb9e97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:42:35,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-11-09 05:42:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 7760 states, 7710 states have (on average 2.1137483787289235) internal successors, (16297), 7759 states have internal predecessors, (16297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 05:42:35,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:35,265 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:35,266 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:42:35,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:35,271 INFO L85 PathProgramCache]: Analyzing trace with hash -356885554, now seen corresponding path program 1 times [2024-11-09 05:42:35,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:35,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667742405] [2024-11-09 05:42:35,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:35,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:36,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:36,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667742405] [2024-11-09 05:42:36,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667742405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:36,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:36,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:42:36,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152018282] [2024-11-09 05:42:36,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:36,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:42:36,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:36,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:42:36,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:36,224 INFO L87 Difference]: Start difference. First operand has 7760 states, 7710 states have (on average 2.1137483787289235) internal successors, (16297), 7759 states have internal predecessors, (16297), 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 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:36,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:36,917 INFO L93 Difference]: Finished difference Result 15206 states and 32002 transitions. [2024-11-09 05:42:36,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:42:36,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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 27 [2024-11-09 05:42:36,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:36,991 INFO L225 Difference]: With dead ends: 15206 [2024-11-09 05:42:36,992 INFO L226 Difference]: Without dead ends: 7487 [2024-11-09 05:42:37,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:37,018 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 5 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:37,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 467 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:42:37,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7487 states. [2024-11-09 05:42:37,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7487 to 7487. [2024-11-09 05:42:37,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7487 states, 7420 states have (on average 2.046091644204852) internal successors, (15182), 7486 states have internal predecessors, (15182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7487 states to 7487 states and 15182 transitions. [2024-11-09 05:42:37,431 INFO L78 Accepts]: Start accepts. Automaton has 7487 states and 15182 transitions. Word has length 27 [2024-11-09 05:42:37,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:37,432 INFO L471 AbstractCegarLoop]: Abstraction has 7487 states and 15182 transitions. [2024-11-09 05:42:37,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 7487 states and 15182 transitions. [2024-11-09 05:42:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 05:42:37,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:37,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:37,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:42:37,436 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:42:37,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:37,437 INFO L85 PathProgramCache]: Analyzing trace with hash 646159822, now seen corresponding path program 1 times [2024-11-09 05:42:37,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:37,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677515230] [2024-11-09 05:42:37,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:37,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:38,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:38,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:38,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677515230] [2024-11-09 05:42:38,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677515230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:38,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:38,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:42:38,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681073663] [2024-11-09 05:42:38,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:38,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:42:38,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:38,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:42:38,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:38,039 INFO L87 Difference]: Start difference. First operand 7487 states and 15182 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:38,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:38,338 INFO L93 Difference]: Finished difference Result 7487 states and 15182 transitions. [2024-11-09 05:42:38,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:42:38,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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 34 [2024-11-09 05:42:38,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:38,404 INFO L225 Difference]: With dead ends: 7487 [2024-11-09 05:42:38,404 INFO L226 Difference]: Without dead ends: 7486 [2024-11-09 05:42:38,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:38,412 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 6 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:38,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 344 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:42:38,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7486 states. [2024-11-09 05:42:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7486 to 7486. [2024-11-09 05:42:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7486 states, 7420 states have (on average 2.045956873315364) internal successors, (15181), 7485 states have internal predecessors, (15181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:38,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7486 states to 7486 states and 15181 transitions. [2024-11-09 05:42:38,739 INFO L78 Accepts]: Start accepts. Automaton has 7486 states and 15181 transitions. Word has length 34 [2024-11-09 05:42:38,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:38,740 INFO L471 AbstractCegarLoop]: Abstraction has 7486 states and 15181 transitions. [2024-11-09 05:42:38,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:38,741 INFO L276 IsEmpty]: Start isEmpty. Operand 7486 states and 15181 transitions. [2024-11-09 05:42:38,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 05:42:38,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:38,746 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:38,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:42:38,747 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:42:38,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:38,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1929275971, now seen corresponding path program 1 times [2024-11-09 05:42:38,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:38,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065865359] [2024-11-09 05:42:38,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:38,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:38,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:38,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065865359] [2024-11-09 05:42:38,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065865359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:38,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:38,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:42:38,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660390782] [2024-11-09 05:42:38,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:38,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:42:38,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:38,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:42:38,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:42:38,848 INFO L87 Difference]: Start difference. First operand 7486 states and 15181 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:39,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:39,032 INFO L93 Difference]: Finished difference Result 14456 states and 29360 transitions. [2024-11-09 05:42:39,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:42:39,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-11-09 05:42:39,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:39,096 INFO L225 Difference]: With dead ends: 14456 [2024-11-09 05:42:39,096 INFO L226 Difference]: Without dead ends: 11731 [2024-11-09 05:42:39,107 INFO L431 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 [2024-11-09 05:42:39,108 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 134 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:39,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 508 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:42:39,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11731 states. [2024-11-09 05:42:39,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11731 to 7644. [2024-11-09 05:42:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7644 states, 7578 states have (on average 2.045526524148852) internal successors, (15501), 7643 states have internal predecessors, (15501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7644 states to 7644 states and 15501 transitions. [2024-11-09 05:42:39,413 INFO L78 Accepts]: Start accepts. Automaton has 7644 states and 15501 transitions. Word has length 59 [2024-11-09 05:42:39,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:39,414 INFO L471 AbstractCegarLoop]: Abstraction has 7644 states and 15501 transitions. [2024-11-09 05:42:39,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 7644 states and 15501 transitions. [2024-11-09 05:42:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 05:42:39,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:39,417 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:39,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:42:39,417 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:42:39,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:39,418 INFO L85 PathProgramCache]: Analyzing trace with hash -879614523, now seen corresponding path program 1 times [2024-11-09 05:42:39,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:39,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155255603] [2024-11-09 05:42:39,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:39,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:39,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:39,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155255603] [2024-11-09 05:42:39,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155255603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:39,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:39,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:42:39,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287210248] [2024-11-09 05:42:39,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:39,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:42:39,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:39,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:42:39,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:39,973 INFO L87 Difference]: Start difference. First operand 7644 states and 15501 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:40,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:40,920 INFO L93 Difference]: Finished difference Result 9632 states and 19533 transitions. [2024-11-09 05:42:40,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:42:40,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-11-09 05:42:40,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:40,977 INFO L225 Difference]: With dead ends: 9632 [2024-11-09 05:42:40,977 INFO L226 Difference]: Without dead ends: 9474 [2024-11-09 05:42:40,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:40,988 INFO L432 NwaCegarLoop]: 380 mSDtfsCounter, 261 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:40,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 690 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 05:42:41,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9474 states. [2024-11-09 05:42:41,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9474 to 8196. [2024-11-09 05:42:41,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8196 states, 8130 states have (on average 2.0444034440344403) internal successors, (16621), 8195 states have internal predecessors, (16621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:41,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8196 states to 8196 states and 16621 transitions. [2024-11-09 05:42:41,332 INFO L78 Accepts]: Start accepts. Automaton has 8196 states and 16621 transitions. Word has length 59 [2024-11-09 05:42:41,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:41,333 INFO L471 AbstractCegarLoop]: Abstraction has 8196 states and 16621 transitions. [2024-11-09 05:42:41,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 8196 states and 16621 transitions. [2024-11-09 05:42:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 05:42:41,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:41,337 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:41,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:42:41,338 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:42:41,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:41,339 INFO L85 PathProgramCache]: Analyzing trace with hash -938791221, now seen corresponding path program 1 times [2024-11-09 05:42:41,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:41,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325131022] [2024-11-09 05:42:41,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:41,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:41,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:41,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325131022] [2024-11-09 05:42:41,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325131022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:41,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:41,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:42:41,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801474233] [2024-11-09 05:42:41,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:41,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:42:41,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:41,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:42:41,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:41,786 INFO L87 Difference]: Start difference. First operand 8196 states and 16621 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:42,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:42,738 INFO L93 Difference]: Finished difference Result 12108 states and 24577 transitions. [2024-11-09 05:42:42,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:42:42,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 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 62 [2024-11-09 05:42:42,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:42,809 INFO L225 Difference]: With dead ends: 12108 [2024-11-09 05:42:42,809 INFO L226 Difference]: Without dead ends: 11790 [2024-11-09 05:42:42,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:42,820 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 346 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:42,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 810 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 05:42:42,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11790 states. [2024-11-09 05:42:43,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11790 to 9213. [2024-11-09 05:42:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9213 states, 9153 states have (on average 2.0394406205615647) internal successors, (18667), 9212 states have internal predecessors, (18667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:43,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9213 states to 9213 states and 18667 transitions. [2024-11-09 05:42:43,254 INFO L78 Accepts]: Start accepts. Automaton has 9213 states and 18667 transitions. Word has length 62 [2024-11-09 05:42:43,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:43,255 INFO L471 AbstractCegarLoop]: Abstraction has 9213 states and 18667 transitions. [2024-11-09 05:42:43,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:43,255 INFO L276 IsEmpty]: Start isEmpty. Operand 9213 states and 18667 transitions. [2024-11-09 05:42:43,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 05:42:43,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:43,262 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:43,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:42:43,263 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reader_nowait_fnErr1ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:42:43,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:43,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1944631053, now seen corresponding path program 1 times [2024-11-09 05:42:43,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:43,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945056150] [2024-11-09 05:42:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:43,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:43,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:43,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945056150] [2024-11-09 05:42:43,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945056150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:43,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:43,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:42:43,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671752404] [2024-11-09 05:42:43,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:43,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:42:43,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:43,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:42:43,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:43,763 INFO L87 Difference]: Start difference. First operand 9213 states and 18667 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:44,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:44,767 INFO L93 Difference]: Finished difference Result 9689 states and 19633 transitions. [2024-11-09 05:42:44,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:42:44,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 65 [2024-11-09 05:42:44,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:44,822 INFO L225 Difference]: With dead ends: 9689 [2024-11-09 05:42:44,823 INFO L226 Difference]: Without dead ends: 9598 [2024-11-09 05:42:44,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:44,830 INFO L432 NwaCegarLoop]: 395 mSDtfsCounter, 232 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:44,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 833 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 05:42:44,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9598 states. [2024-11-09 05:42:45,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9598 to 9462. [2024-11-09 05:42:45,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9462 states, 9405 states have (on average 2.0385964912280703) internal successors, (19173), 9461 states have internal predecessors, (19173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9462 states to 9462 states and 19173 transitions. [2024-11-09 05:42:45,186 INFO L78 Accepts]: Start accepts. Automaton has 9462 states and 19173 transitions. Word has length 65 [2024-11-09 05:42:45,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:45,188 INFO L471 AbstractCegarLoop]: Abstraction has 9462 states and 19173 transitions. [2024-11-09 05:42:45,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 9462 states and 19173 transitions. [2024-11-09 05:42:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 05:42:45,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:45,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:45,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:42:45,193 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:42:45,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:45,194 INFO L85 PathProgramCache]: Analyzing trace with hash 290782249, now seen corresponding path program 1 times [2024-11-09 05:42:45,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:45,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928764813] [2024-11-09 05:42:45,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:45,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:45,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:45,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928764813] [2024-11-09 05:42:45,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928764813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:45,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:45,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:42:45,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201481570] [2024-11-09 05:42:45,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:45,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:42:45,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:45,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:42:45,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:45,789 INFO L87 Difference]: Start difference. First operand 9462 states and 19173 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:46,903 INFO L93 Difference]: Finished difference Result 12344 states and 25055 transitions. [2024-11-09 05:42:46,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:42:46,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 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 68 [2024-11-09 05:42:46,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:46,962 INFO L225 Difference]: With dead ends: 12344 [2024-11-09 05:42:46,962 INFO L226 Difference]: Without dead ends: 12234 [2024-11-09 05:42:46,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:46,970 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 306 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:46,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 1012 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 05:42:46,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12234 states. [2024-11-09 05:42:47,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12234 to 9792. [2024-11-09 05:42:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9792 states, 9738 states have (on average 2.0370712672006572) internal successors, (19837), 9791 states have internal predecessors, (19837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9792 states to 9792 states and 19837 transitions. [2024-11-09 05:42:47,338 INFO L78 Accepts]: Start accepts. Automaton has 9792 states and 19837 transitions. Word has length 68 [2024-11-09 05:42:47,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:47,339 INFO L471 AbstractCegarLoop]: Abstraction has 9792 states and 19837 transitions. [2024-11-09 05:42:47,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 9792 states and 19837 transitions. [2024-11-09 05:42:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 05:42:47,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:47,344 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:47,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:42:47,347 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:42:47,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:47,348 INFO L85 PathProgramCache]: Analyzing trace with hash 988952478, now seen corresponding path program 1 times [2024-11-09 05:42:47,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:47,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992169450] [2024-11-09 05:42:47,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:47,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:48,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:48,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992169450] [2024-11-09 05:42:48,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992169450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:48,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:48,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:42:48,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057935706] [2024-11-09 05:42:48,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:48,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:42:48,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:48,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:42:48,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:48,077 INFO L87 Difference]: Start difference. First operand 9792 states and 19837 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:49,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:49,266 INFO L93 Difference]: Finished difference Result 10325 states and 20901 transitions. [2024-11-09 05:42:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:42:49,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 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 81 [2024-11-09 05:42:49,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:49,322 INFO L225 Difference]: With dead ends: 10325 [2024-11-09 05:42:49,323 INFO L226 Difference]: Without dead ends: 10230 [2024-11-09 05:42:49,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:49,330 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 230 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:49,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1000 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 05:42:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10230 states. [2024-11-09 05:42:49,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10230 to 10064. [2024-11-09 05:42:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10064 states, 10010 states have (on average 2.0368631368631367) internal successors, (20389), 10063 states have internal predecessors, (20389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10064 states to 10064 states and 20389 transitions. [2024-11-09 05:42:49,721 INFO L78 Accepts]: Start accepts. Automaton has 10064 states and 20389 transitions. Word has length 81 [2024-11-09 05:42:49,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:49,722 INFO L471 AbstractCegarLoop]: Abstraction has 10064 states and 20389 transitions. [2024-11-09 05:42:49,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 10064 states and 20389 transitions. [2024-11-09 05:42:49,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 05:42:49,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:49,732 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:49,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:42:49,733 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:42:49,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:49,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1579976097, now seen corresponding path program 1 times [2024-11-09 05:42:49,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:49,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346519489] [2024-11-09 05:42:49,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:49,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:50,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346519489] [2024-11-09 05:42:50,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346519489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:50,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:50,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:42:50,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110581204] [2024-11-09 05:42:50,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:50,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:42:50,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:50,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:42:50,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:50,306 INFO L87 Difference]: Start difference. First operand 10064 states and 20389 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:51,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:42:51,588 INFO L93 Difference]: Finished difference Result 10634 states and 21519 transitions. [2024-11-09 05:42:51,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:42:51,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 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 84 [2024-11-09 05:42:51,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:42:51,639 INFO L225 Difference]: With dead ends: 10634 [2024-11-09 05:42:51,639 INFO L226 Difference]: Without dead ends: 10520 [2024-11-09 05:42:51,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:42:51,648 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 293 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:42:51,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1138 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:42:51,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10520 states. [2024-11-09 05:42:51,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10520 to 10417. [2024-11-09 05:42:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10417 states, 10363 states have (on average 2.0359934381935734) internal successors, (21099), 10416 states have internal predecessors, (21099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10417 states to 10417 states and 21099 transitions. [2024-11-09 05:42:51,939 INFO L78 Accepts]: Start accepts. Automaton has 10417 states and 21099 transitions. Word has length 84 [2024-11-09 05:42:51,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:42:51,940 INFO L471 AbstractCegarLoop]: Abstraction has 10417 states and 21099 transitions. [2024-11-09 05:42:51,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:42:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 10417 states and 21099 transitions. [2024-11-09 05:42:51,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:42:51,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:42:51,947 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:42:51,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:42:51,948 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:42:51,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:42:51,948 INFO L85 PathProgramCache]: Analyzing trace with hash -886573774, now seen corresponding path program 1 times [2024-11-09 05:42:51,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:42:51,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076840554] [2024-11-09 05:42:51,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:42:51,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:42:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:42:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:42:55,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:42:55,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076840554] [2024-11-09 05:42:55,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076840554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:42:55,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:42:55,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:42:55,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973183552] [2024-11-09 05:42:55,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:42:55,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:42:55,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:42:55,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:42:55,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:42:55,674 INFO L87 Difference]: Start difference. First operand 10417 states and 21099 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:05,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:05,819 INFO L93 Difference]: Finished difference Result 17346 states and 35192 transitions. [2024-11-09 05:43:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 05:43:05,820 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:43:05,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:05,900 INFO L225 Difference]: With dead ends: 17346 [2024-11-09 05:43:05,900 INFO L226 Difference]: Without dead ends: 17240 [2024-11-09 05:43:05,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=590, Invalid=2832, Unknown=0, NotChecked=0, Total=3422 [2024-11-09 05:43:05,910 INFO L432 NwaCegarLoop]: 497 mSDtfsCounter, 1918 mSDsluCounter, 6201 mSDsCounter, 0 mSdLazyCounter, 6711 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 6698 SdHoareTripleChecker+Invalid, 6785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 6711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:05,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1918 Valid, 6698 Invalid, 6785 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [74 Valid, 6711 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-09 05:43:05,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17240 states. [2024-11-09 05:43:06,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17240 to 12584. [2024-11-09 05:43:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12584 states, 12530 states have (on average 2.058339984038308) internal successors, (25791), 12583 states have internal predecessors, (25791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12584 states to 12584 states and 25791 transitions. [2024-11-09 05:43:06,368 INFO L78 Accepts]: Start accepts. Automaton has 12584 states and 25791 transitions. Word has length 97 [2024-11-09 05:43:06,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:06,369 INFO L471 AbstractCegarLoop]: Abstraction has 12584 states and 25791 transitions. [2024-11-09 05:43:06,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand 12584 states and 25791 transitions. [2024-11-09 05:43:06,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:43:06,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:06,380 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:06,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:43:06,380 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:43:06,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:06,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1090133704, now seen corresponding path program 1 times [2024-11-09 05:43:06,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:06,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295129744] [2024-11-09 05:43:06,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:06,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:08,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:08,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:08,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295129744] [2024-11-09 05:43:08,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295129744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:08,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:08,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:43:08,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974876687] [2024-11-09 05:43:08,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:08,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:43:08,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:08,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:43:08,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:43:08,937 INFO L87 Difference]: Start difference. First operand 12584 states and 25791 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:17,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:17,699 INFO L93 Difference]: Finished difference Result 18011 states and 36606 transitions. [2024-11-09 05:43:17,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-09 05:43:17,700 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:43:17,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:17,769 INFO L225 Difference]: With dead ends: 18011 [2024-11-09 05:43:17,770 INFO L226 Difference]: Without dead ends: 17875 [2024-11-09 05:43:17,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1154 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=788, Invalid=4042, Unknown=0, NotChecked=0, Total=4830 [2024-11-09 05:43:17,780 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 1960 mSDsluCounter, 5893 mSDsCounter, 0 mSdLazyCounter, 5713 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1960 SdHoareTripleChecker+Valid, 6356 SdHoareTripleChecker+Invalid, 6023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 5713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:17,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1960 Valid, 6356 Invalid, 6023 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [310 Valid, 5713 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-09 05:43:17,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17875 states. [2024-11-09 05:43:18,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17875 to 12108. [2024-11-09 05:43:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12108 states, 12054 states have (on average 2.047784967645595) internal successors, (24684), 12107 states have internal predecessors, (24684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12108 states to 12108 states and 24684 transitions. [2024-11-09 05:43:18,224 INFO L78 Accepts]: Start accepts. Automaton has 12108 states and 24684 transitions. Word has length 97 [2024-11-09 05:43:18,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:18,225 INFO L471 AbstractCegarLoop]: Abstraction has 12108 states and 24684 transitions. [2024-11-09 05:43:18,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 12108 states and 24684 transitions. [2024-11-09 05:43:18,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:43:18,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:18,234 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:18,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 05:43:18,234 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:43:18,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:18,235 INFO L85 PathProgramCache]: Analyzing trace with hash -2117599652, now seen corresponding path program 1 times [2024-11-09 05:43:18,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:18,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73935310] [2024-11-09 05:43:18,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:22,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:22,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:22,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73935310] [2024-11-09 05:43:22,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73935310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:22,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:22,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:43:22,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057824150] [2024-11-09 05:43:22,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:22,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:43:22,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:22,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:43:22,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:22,730 INFO L87 Difference]: Start difference. First operand 12108 states and 24684 transitions. Second operand has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:29,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:29,024 INFO L93 Difference]: Finished difference Result 25321 states and 51793 transitions. [2024-11-09 05:43:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 05:43:29,025 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 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 97 [2024-11-09 05:43:29,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:29,118 INFO L225 Difference]: With dead ends: 25321 [2024-11-09 05:43:29,118 INFO L226 Difference]: Without dead ends: 25050 [2024-11-09 05:43:29,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=495, Invalid=2055, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:43:29,134 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 1479 mSDsluCounter, 6516 mSDsCounter, 0 mSdLazyCounter, 5071 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 7006 SdHoareTripleChecker+Invalid, 5222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 5071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:29,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 7006 Invalid, 5222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [151 Valid, 5071 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-09 05:43:29,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25050 states. [2024-11-09 05:43:29,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25050 to 16765. [2024-11-09 05:43:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16765 states, 16711 states have (on average 2.0661839506911615) internal successors, (34528), 16764 states have internal predecessors, (34528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:29,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16765 states to 16765 states and 34528 transitions. [2024-11-09 05:43:29,892 INFO L78 Accepts]: Start accepts. Automaton has 16765 states and 34528 transitions. Word has length 97 [2024-11-09 05:43:29,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:29,893 INFO L471 AbstractCegarLoop]: Abstraction has 16765 states and 34528 transitions. [2024-11-09 05:43:29,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 16765 states and 34528 transitions. [2024-11-09 05:43:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:43:29,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:29,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:29,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 05:43:29,905 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:43:29,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:29,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1768198144, now seen corresponding path program 2 times [2024-11-09 05:43:29,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:29,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450400532] [2024-11-09 05:43:29,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:29,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:33,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:33,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:33,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450400532] [2024-11-09 05:43:33,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450400532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:33,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:33,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:43:33,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660989939] [2024-11-09 05:43:33,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:33,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:43:33,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:33,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:43:33,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:33,567 INFO L87 Difference]: Start difference. First operand 16765 states and 34528 transitions. Second operand has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:40,043 INFO L93 Difference]: Finished difference Result 26296 states and 53784 transitions. [2024-11-09 05:43:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 05:43:40,044 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 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 97 [2024-11-09 05:43:40,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:40,133 INFO L225 Difference]: With dead ends: 26296 [2024-11-09 05:43:40,134 INFO L226 Difference]: Without dead ends: 26020 [2024-11-09 05:43:40,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=529, Invalid=2227, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 05:43:40,149 INFO L432 NwaCegarLoop]: 497 mSDtfsCounter, 1529 mSDsluCounter, 5574 mSDsCounter, 0 mSdLazyCounter, 4579 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 6071 SdHoareTripleChecker+Invalid, 4742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 4579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:40,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 6071 Invalid, 4742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 4579 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-09 05:43:40,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26020 states. [2024-11-09 05:43:40,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26020 to 16822. [2024-11-09 05:43:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16822 states, 16768 states have (on average 2.065958969465649) internal successors, (34642), 16821 states have internal predecessors, (34642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16822 states to 16822 states and 34642 transitions. [2024-11-09 05:43:40,800 INFO L78 Accepts]: Start accepts. Automaton has 16822 states and 34642 transitions. Word has length 97 [2024-11-09 05:43:40,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:40,801 INFO L471 AbstractCegarLoop]: Abstraction has 16822 states and 34642 transitions. [2024-11-09 05:43:40,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 16822 states and 34642 transitions. [2024-11-09 05:43:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:43:40,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:40,813 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:40,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 05:43:40,814 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:43:40,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:40,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2056733782, now seen corresponding path program 3 times [2024-11-09 05:43:40,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:40,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140216610] [2024-11-09 05:43:40,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:40,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:43,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:43,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:43,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140216610] [2024-11-09 05:43:43,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140216610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:43,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:43,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:43:43,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916725707] [2024-11-09 05:43:43,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:43,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:43:43,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:43,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:43:43,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:43,977 INFO L87 Difference]: Start difference. First operand 16822 states and 34642 transitions. Second operand has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:50,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:43:50,468 INFO L93 Difference]: Finished difference Result 26435 states and 54062 transitions. [2024-11-09 05:43:50,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-09 05:43:50,469 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 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 97 [2024-11-09 05:43:50,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:43:50,528 INFO L225 Difference]: With dead ends: 26435 [2024-11-09 05:43:50,528 INFO L226 Difference]: Without dead ends: 26159 [2024-11-09 05:43:50,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=574, Invalid=2396, Unknown=0, NotChecked=0, Total=2970 [2024-11-09 05:43:50,539 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 1627 mSDsluCounter, 5965 mSDsCounter, 0 mSdLazyCounter, 4866 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 6469 SdHoareTripleChecker+Invalid, 5104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 4866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:43:50,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 6469 Invalid, 5104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 4866 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 05:43:50,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26159 states. [2024-11-09 05:43:51,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26159 to 16884. [2024-11-09 05:43:51,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16884 states, 16830 states have (on average 2.065834818775995) internal successors, (34768), 16883 states have internal predecessors, (34768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16884 states to 16884 states and 34768 transitions. [2024-11-09 05:43:51,188 INFO L78 Accepts]: Start accepts. Automaton has 16884 states and 34768 transitions. Word has length 97 [2024-11-09 05:43:51,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:43:51,188 INFO L471 AbstractCegarLoop]: Abstraction has 16884 states and 34768 transitions. [2024-11-09 05:43:51,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:43:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 16884 states and 34768 transitions. [2024-11-09 05:43:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:43:51,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:43:51,198 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:43:51,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 05:43:51,199 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:43:51,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:43:51,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1047288548, now seen corresponding path program 4 times [2024-11-09 05:43:51,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:43:51,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459132551] [2024-11-09 05:43:51,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:43:51,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:43:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:43:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:43:53,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:43:53,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459132551] [2024-11-09 05:43:53,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459132551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:43:53,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:43:53,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:43:53,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771869358] [2024-11-09 05:43:53,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:43:53,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:43:53,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:43:53,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:43:53,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:43:53,789 INFO L87 Difference]: Start difference. First operand 16884 states and 34768 transitions. Second operand has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:00,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:00,210 INFO L93 Difference]: Finished difference Result 26579 states and 54350 transitions. [2024-11-09 05:44:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 05:44:00,210 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:00,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:00,275 INFO L225 Difference]: With dead ends: 26579 [2024-11-09 05:44:00,275 INFO L226 Difference]: Without dead ends: 26303 [2024-11-09 05:44:00,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192 [2024-11-09 05:44:00,287 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 1651 mSDsluCounter, 5840 mSDsCounter, 0 mSdLazyCounter, 4778 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 6351 SdHoareTripleChecker+Invalid, 5046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 4778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:00,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 6351 Invalid, 5046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 4778 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 05:44:00,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26303 states. [2024-11-09 05:44:00,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26303 to 16946. [2024-11-09 05:44:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16946 states, 16892 states have (on average 2.0657115794458916) internal successors, (34894), 16945 states have internal predecessors, (34894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16946 states to 16946 states and 34894 transitions. [2024-11-09 05:44:00,898 INFO L78 Accepts]: Start accepts. Automaton has 16946 states and 34894 transitions. Word has length 97 [2024-11-09 05:44:00,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:00,898 INFO L471 AbstractCegarLoop]: Abstraction has 16946 states and 34894 transitions. [2024-11-09 05:44:00,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 16946 states and 34894 transitions. [2024-11-09 05:44:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:44:00,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:00,909 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:00,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 05:44:00,909 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:44:00,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:00,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1409496100, now seen corresponding path program 5 times [2024-11-09 05:44:00,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:00,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912870484] [2024-11-09 05:44:00,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:00,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:02,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:02,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912870484] [2024-11-09 05:44:02,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912870484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:02,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:02,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:44:02,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144022981] [2024-11-09 05:44:02,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:02,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:44:02,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:02,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:44:02,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:44:02,342 INFO L87 Difference]: Start difference. First operand 16946 states and 34894 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:06,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:06,411 INFO L93 Difference]: Finished difference Result 38420 states and 78665 transitions. [2024-11-09 05:44:06,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 05:44:06,412 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:06,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:06,501 INFO L225 Difference]: With dead ends: 38420 [2024-11-09 05:44:06,501 INFO L226 Difference]: Without dead ends: 38144 [2024-11-09 05:44:06,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=326, Invalid=796, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 05:44:06,514 INFO L432 NwaCegarLoop]: 785 mSDtfsCounter, 1950 mSDsluCounter, 4674 mSDsCounter, 0 mSdLazyCounter, 2099 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 2229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:06,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 5459 Invalid, 2229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2099 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 05:44:06,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38144 states. [2024-11-09 05:44:07,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38144 to 24231. [2024-11-09 05:44:07,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24231 states, 24177 states have (on average 2.1094014972908135) internal successors, (50999), 24230 states have internal predecessors, (50999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:07,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24231 states to 24231 states and 50999 transitions. [2024-11-09 05:44:07,346 INFO L78 Accepts]: Start accepts. Automaton has 24231 states and 50999 transitions. Word has length 97 [2024-11-09 05:44:07,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:07,347 INFO L471 AbstractCegarLoop]: Abstraction has 24231 states and 50999 transitions. [2024-11-09 05:44:07,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 24231 states and 50999 transitions. [2024-11-09 05:44:07,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:44:07,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:07,354 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:07,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 05:44:07,355 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:44:07,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:07,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1322311407, now seen corresponding path program 1 times [2024-11-09 05:44:07,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:07,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118643855] [2024-11-09 05:44:07,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:07,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:08,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:08,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118643855] [2024-11-09 05:44:08,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118643855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:08,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:08,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:44:08,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260393806] [2024-11-09 05:44:08,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:08,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:44:08,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:08,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:44:08,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:44:08,469 INFO L87 Difference]: Start difference. First operand 24231 states and 50999 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:12,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:12,973 INFO L93 Difference]: Finished difference Result 31508 states and 64338 transitions. [2024-11-09 05:44:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:44:12,973 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:12,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:13,055 INFO L225 Difference]: With dead ends: 31508 [2024-11-09 05:44:13,055 INFO L226 Difference]: Without dead ends: 31434 [2024-11-09 05:44:13,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=339, Invalid=851, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:44:13,068 INFO L432 NwaCegarLoop]: 767 mSDtfsCounter, 2048 mSDsluCounter, 5380 mSDsCounter, 0 mSdLazyCounter, 3001 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 6147 SdHoareTripleChecker+Invalid, 3086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 3001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:13,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 6147 Invalid, 3086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 3001 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-09 05:44:13,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31434 states. [2024-11-09 05:44:14,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31434 to 24701. [2024-11-09 05:44:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24701 states, 24647 states have (on average 2.1105205501683777) internal successors, (52018), 24700 states have internal predecessors, (52018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24701 states to 24701 states and 52018 transitions. [2024-11-09 05:44:14,292 INFO L78 Accepts]: Start accepts. Automaton has 24701 states and 52018 transitions. Word has length 97 [2024-11-09 05:44:14,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:14,293 INFO L471 AbstractCegarLoop]: Abstraction has 24701 states and 52018 transitions. [2024-11-09 05:44:14,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 24701 states and 52018 transitions. [2024-11-09 05:44:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:44:14,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:14,303 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:14,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 05:44:14,303 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:44:14,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:14,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1941562535, now seen corresponding path program 2 times [2024-11-09 05:44:14,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:14,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944102091] [2024-11-09 05:44:14,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:14,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:15,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:15,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944102091] [2024-11-09 05:44:15,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944102091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:15,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:15,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:44:15,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752335382] [2024-11-09 05:44:15,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:15,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:44:15,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:15,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:44:15,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:44:15,209 INFO L87 Difference]: Start difference. First operand 24701 states and 52018 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:18,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:18,934 INFO L93 Difference]: Finished difference Result 31091 states and 63462 transitions. [2024-11-09 05:44:18,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 05:44:18,935 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:18,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:19,014 INFO L225 Difference]: With dead ends: 31091 [2024-11-09 05:44:19,014 INFO L226 Difference]: Without dead ends: 31025 [2024-11-09 05:44:19,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=319, Invalid=803, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 05:44:19,027 INFO L432 NwaCegarLoop]: 843 mSDtfsCounter, 2014 mSDsluCounter, 4529 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 5372 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:19,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 5372 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1758 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 05:44:19,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31025 states. [2024-11-09 05:44:19,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31025 to 24746. [2024-11-09 05:44:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24746 states, 24692 states have (on average 2.1104406285436577) internal successors, (52111), 24745 states have internal predecessors, (52111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24746 states to 24746 states and 52111 transitions. [2024-11-09 05:44:19,808 INFO L78 Accepts]: Start accepts. Automaton has 24746 states and 52111 transitions. Word has length 97 [2024-11-09 05:44:19,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:19,808 INFO L471 AbstractCegarLoop]: Abstraction has 24746 states and 52111 transitions. [2024-11-09 05:44:19,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 24746 states and 52111 transitions. [2024-11-09 05:44:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:44:19,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:19,815 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:19,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 05:44:19,816 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:44:19,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:19,816 INFO L85 PathProgramCache]: Analyzing trace with hash -223218829, now seen corresponding path program 3 times [2024-11-09 05:44:19,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:19,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535279445] [2024-11-09 05:44:19,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:19,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:20,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:20,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535279445] [2024-11-09 05:44:20,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535279445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:20,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:20,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:44:20,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970611994] [2024-11-09 05:44:20,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:20,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:44:20,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:20,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:44:20,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:44:20,756 INFO L87 Difference]: Start difference. First operand 24746 states and 52111 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:24,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:24,857 INFO L93 Difference]: Finished difference Result 31100 states and 63481 transitions. [2024-11-09 05:44:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:44:24,858 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:24,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:24,941 INFO L225 Difference]: With dead ends: 31100 [2024-11-09 05:44:24,942 INFO L226 Difference]: Without dead ends: 31034 [2024-11-09 05:44:24,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=342, Invalid=848, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:44:24,954 INFO L432 NwaCegarLoop]: 844 mSDtfsCounter, 1866 mSDsluCounter, 5018 mSDsCounter, 0 mSdLazyCounter, 2394 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 5862 SdHoareTripleChecker+Invalid, 2422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:24,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 5862 Invalid, 2422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2394 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 05:44:24,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31034 states. [2024-11-09 05:44:25,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31034 to 24746. [2024-11-09 05:44:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24746 states, 24692 states have (on average 2.1104406285436577) internal successors, (52111), 24745 states have internal predecessors, (52111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24746 states to 24746 states and 52111 transitions. [2024-11-09 05:44:25,720 INFO L78 Accepts]: Start accepts. Automaton has 24746 states and 52111 transitions. Word has length 97 [2024-11-09 05:44:25,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:25,721 INFO L471 AbstractCegarLoop]: Abstraction has 24746 states and 52111 transitions. [2024-11-09 05:44:25,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 24746 states and 52111 transitions. [2024-11-09 05:44:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:44:25,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:25,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:25,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 05:44:25,729 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:44:25,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:25,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1930264261, now seen corresponding path program 4 times [2024-11-09 05:44:25,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:25,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720143040] [2024-11-09 05:44:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:25,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:26,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:26,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720143040] [2024-11-09 05:44:26,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720143040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:26,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:26,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:44:26,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479420694] [2024-11-09 05:44:26,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:26,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:44:26,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:26,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:44:26,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:44:26,545 INFO L87 Difference]: Start difference. First operand 24746 states and 52111 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:30,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:30,408 INFO L93 Difference]: Finished difference Result 31108 states and 63496 transitions. [2024-11-09 05:44:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:44:30,409 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:30,487 INFO L225 Difference]: With dead ends: 31108 [2024-11-09 05:44:30,487 INFO L226 Difference]: Without dead ends: 31042 [2024-11-09 05:44:30,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=339, Invalid=851, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:44:30,498 INFO L432 NwaCegarLoop]: 820 mSDtfsCounter, 1838 mSDsluCounter, 4957 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 5777 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:30,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 5777 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 05:44:30,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31042 states. [2024-11-09 05:44:31,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31042 to 24746. [2024-11-09 05:44:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24746 states, 24692 states have (on average 2.1104406285436577) internal successors, (52111), 24745 states have internal predecessors, (52111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24746 states to 24746 states and 52111 transitions. [2024-11-09 05:44:31,396 INFO L78 Accepts]: Start accepts. Automaton has 24746 states and 52111 transitions. Word has length 97 [2024-11-09 05:44:31,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:31,397 INFO L471 AbstractCegarLoop]: Abstraction has 24746 states and 52111 transitions. [2024-11-09 05:44:31,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 24746 states and 52111 transitions. [2024-11-09 05:44:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:44:31,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:31,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:31,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 05:44:31,405 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:44:31,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1841208849, now seen corresponding path program 5 times [2024-11-09 05:44:31,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632916515] [2024-11-09 05:44:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:31,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:32,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:32,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632916515] [2024-11-09 05:44:32,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632916515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:32,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:32,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:44:32,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887364958] [2024-11-09 05:44:32,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:32,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:44:32,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:32,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:44:32,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:44:32,141 INFO L87 Difference]: Start difference. First operand 24746 states and 52111 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:36,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:36,447 INFO L93 Difference]: Finished difference Result 31114 states and 63508 transitions. [2024-11-09 05:44:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:44:36,447 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:36,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:36,522 INFO L225 Difference]: With dead ends: 31114 [2024-11-09 05:44:36,522 INFO L226 Difference]: Without dead ends: 31048 [2024-11-09 05:44:36,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=338, Invalid=852, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:44:36,532 INFO L432 NwaCegarLoop]: 799 mSDtfsCounter, 1927 mSDsluCounter, 5268 mSDsCounter, 0 mSdLazyCounter, 2651 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 6067 SdHoareTripleChecker+Invalid, 2683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:36,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 6067 Invalid, 2683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2651 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 05:44:36,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31048 states. [2024-11-09 05:44:37,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31048 to 24746. [2024-11-09 05:44:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24746 states, 24692 states have (on average 2.1104406285436577) internal successors, (52111), 24745 states have internal predecessors, (52111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24746 states to 24746 states and 52111 transitions. [2024-11-09 05:44:37,359 INFO L78 Accepts]: Start accepts. Automaton has 24746 states and 52111 transitions. Word has length 97 [2024-11-09 05:44:37,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:37,359 INFO L471 AbstractCegarLoop]: Abstraction has 24746 states and 52111 transitions. [2024-11-09 05:44:37,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 24746 states and 52111 transitions. [2024-11-09 05:44:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:44:37,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:37,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:37,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 05:44:37,367 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:44:37,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:37,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1546638695, now seen corresponding path program 6 times [2024-11-09 05:44:37,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:37,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284457386] [2024-11-09 05:44:37,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:38,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:38,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:38,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284457386] [2024-11-09 05:44:38,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284457386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:38,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:38,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:44:38,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048604157] [2024-11-09 05:44:38,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:38,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:44:38,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:38,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:44:38,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:44:38,425 INFO L87 Difference]: Start difference. First operand 24746 states and 52111 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:41,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:41,848 INFO L93 Difference]: Finished difference Result 30692 states and 62890 transitions. [2024-11-09 05:44:41,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 05:44:41,849 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:41,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:41,913 INFO L225 Difference]: With dead ends: 30692 [2024-11-09 05:44:41,913 INFO L226 Difference]: Without dead ends: 30626 [2024-11-09 05:44:41,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:44:41,923 INFO L432 NwaCegarLoop]: 874 mSDtfsCounter, 1909 mSDsluCounter, 4127 mSDsCounter, 0 mSdLazyCounter, 1900 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1909 SdHoareTripleChecker+Valid, 5001 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:41,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1909 Valid, 5001 Invalid, 1919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1900 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 05:44:41,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30626 states. [2024-11-09 05:44:42,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30626 to 24540. [2024-11-09 05:44:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24540 states, 24486 states have (on average 2.1090419014947317) internal successors, (51642), 24539 states have internal predecessors, (51642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:42,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24540 states to 24540 states and 51642 transitions. [2024-11-09 05:44:42,584 INFO L78 Accepts]: Start accepts. Automaton has 24540 states and 51642 transitions. Word has length 97 [2024-11-09 05:44:42,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:42,585 INFO L471 AbstractCegarLoop]: Abstraction has 24540 states and 51642 transitions. [2024-11-09 05:44:42,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:42,585 INFO L276 IsEmpty]: Start isEmpty. Operand 24540 states and 51642 transitions. [2024-11-09 05:44:42,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:44:42,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:42,595 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:42,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 05:44:42,595 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:44:42,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:42,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1584307099, now seen corresponding path program 7 times [2024-11-09 05:44:42,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:42,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502166830] [2024-11-09 05:44:42,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:42,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:43,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:43,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502166830] [2024-11-09 05:44:43,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502166830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:43,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:43,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:44:43,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941963446] [2024-11-09 05:44:43,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:43,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:44:43,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:43,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:44:43,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:44:43,481 INFO L87 Difference]: Start difference. First operand 24540 states and 51642 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:47,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:47,806 INFO L93 Difference]: Finished difference Result 30500 states and 62449 transitions. [2024-11-09 05:44:47,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 05:44:47,807 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:47,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:47,883 INFO L225 Difference]: With dead ends: 30500 [2024-11-09 05:44:47,883 INFO L226 Difference]: Without dead ends: 30434 [2024-11-09 05:44:47,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=322, Invalid=800, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 05:44:47,894 INFO L432 NwaCegarLoop]: 877 mSDtfsCounter, 1665 mSDsluCounter, 5434 mSDsCounter, 0 mSdLazyCounter, 3053 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 6311 SdHoareTripleChecker+Invalid, 3076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 3053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:47,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1665 Valid, 6311 Invalid, 3076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 3053 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-09 05:44:47,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30434 states. [2024-11-09 05:44:48,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30434 to 24542. [2024-11-09 05:44:48,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24542 states, 24488 states have (on average 2.109032995753022) internal successors, (51646), 24541 states have internal predecessors, (51646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24542 states to 24542 states and 51646 transitions. [2024-11-09 05:44:48,777 INFO L78 Accepts]: Start accepts. Automaton has 24542 states and 51646 transitions. Word has length 97 [2024-11-09 05:44:48,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:48,778 INFO L471 AbstractCegarLoop]: Abstraction has 24542 states and 51646 transitions. [2024-11-09 05:44:48,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24542 states and 51646 transitions. [2024-11-09 05:44:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:44:48,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:48,784 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:48,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 05:44:48,785 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:44:48,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:48,785 INFO L85 PathProgramCache]: Analyzing trace with hash 134036607, now seen corresponding path program 8 times [2024-11-09 05:44:48,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:48,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146394814] [2024-11-09 05:44:48,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:48,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:49,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:49,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146394814] [2024-11-09 05:44:49,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146394814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:49,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:49,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:44:49,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078589932] [2024-11-09 05:44:49,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:49,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:44:49,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:49,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:44:49,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:44:49,554 INFO L87 Difference]: Start difference. First operand 24542 states and 51646 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:54,192 INFO L93 Difference]: Finished difference Result 30504 states and 62460 transitions. [2024-11-09 05:44:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:44:54,193 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:54,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:54,277 INFO L225 Difference]: With dead ends: 30504 [2024-11-09 05:44:54,277 INFO L226 Difference]: Without dead ends: 30438 [2024-11-09 05:44:54,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=348, Invalid=842, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:44:54,285 INFO L432 NwaCegarLoop]: 876 mSDtfsCounter, 1664 mSDsluCounter, 5358 mSDsCounter, 0 mSdLazyCounter, 3111 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 6234 SdHoareTripleChecker+Invalid, 3136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 3111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:54,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1664 Valid, 6234 Invalid, 3136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 3111 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-09 05:44:54,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30438 states. [2024-11-09 05:44:55,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30438 to 24540. [2024-11-09 05:44:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24540 states, 24486 states have (on average 2.1090419014947317) internal successors, (51642), 24539 states have internal predecessors, (51642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24540 states to 24540 states and 51642 transitions. [2024-11-09 05:44:55,299 INFO L78 Accepts]: Start accepts. Automaton has 24540 states and 51642 transitions. Word has length 97 [2024-11-09 05:44:55,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:44:55,300 INFO L471 AbstractCegarLoop]: Abstraction has 24540 states and 51642 transitions. [2024-11-09 05:44:55,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:55,300 INFO L276 IsEmpty]: Start isEmpty. Operand 24540 states and 51642 transitions. [2024-11-09 05:44:55,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:44:55,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:55,306 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:44:55,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 05:44:55,307 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:44:55,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:55,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1152018471, now seen corresponding path program 9 times [2024-11-09 05:44:55,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:55,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334178537] [2024-11-09 05:44:55,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:55,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:44:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:44:55,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:44:55,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:44:55,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334178537] [2024-11-09 05:44:55,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334178537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:44:55,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:44:55,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:44:55,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308152873] [2024-11-09 05:44:55,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:44:55,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:44:55,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:44:55,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:44:55,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:44:55,995 INFO L87 Difference]: Start difference. First operand 24540 states and 51642 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:44:59,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:44:59,643 INFO L93 Difference]: Finished difference Result 30501 states and 62452 transitions. [2024-11-09 05:44:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 05:44:59,643 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:44:59,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:44:59,715 INFO L225 Difference]: With dead ends: 30501 [2024-11-09 05:44:59,715 INFO L226 Difference]: Without dead ends: 30435 [2024-11-09 05:44:59,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=319, Invalid=803, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 05:44:59,725 INFO L432 NwaCegarLoop]: 840 mSDtfsCounter, 1701 mSDsluCounter, 4795 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 5635 SdHoareTripleChecker+Invalid, 2453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:44:59,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1701 Valid, 5635 Invalid, 2453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2416 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 05:44:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30435 states. [2024-11-09 05:45:00,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30435 to 24544. [2024-11-09 05:45:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24544 states, 24490 states have (on average 2.1090240914659044) internal successors, (51650), 24543 states have internal predecessors, (51650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24544 states to 24544 states and 51650 transitions. [2024-11-09 05:45:00,396 INFO L78 Accepts]: Start accepts. Automaton has 24544 states and 51650 transitions. Word has length 97 [2024-11-09 05:45:00,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:00,397 INFO L471 AbstractCegarLoop]: Abstraction has 24544 states and 51650 transitions. [2024-11-09 05:45:00,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:00,397 INFO L276 IsEmpty]: Start isEmpty. Operand 24544 states and 51650 transitions. [2024-11-09 05:45:00,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:45:00,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:00,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:00,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 05:45:00,403 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:45:00,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:00,403 INFO L85 PathProgramCache]: Analyzing trace with hash 566325235, now seen corresponding path program 10 times [2024-11-09 05:45:00,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:00,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516599969] [2024-11-09 05:45:00,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:00,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:01,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:01,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516599969] [2024-11-09 05:45:01,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516599969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:01,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:01,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:45:01,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368743498] [2024-11-09 05:45:01,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:01,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:45:01,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:01,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:45:01,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:45:01,132 INFO L87 Difference]: Start difference. First operand 24544 states and 51650 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:04,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:04,968 INFO L93 Difference]: Finished difference Result 30528 states and 62509 transitions. [2024-11-09 05:45:04,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:45:04,969 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:45:04,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:05,036 INFO L225 Difference]: With dead ends: 30528 [2024-11-09 05:45:05,036 INFO L226 Difference]: Without dead ends: 30462 [2024-11-09 05:45:05,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=344, Invalid=846, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:45:05,047 INFO L432 NwaCegarLoop]: 839 mSDtfsCounter, 1635 mSDsluCounter, 4459 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 5298 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:05,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 5298 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2268 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 05:45:05,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30462 states. [2024-11-09 05:45:05,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30462 to 24542. [2024-11-09 05:45:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24542 states, 24488 states have (on average 2.109032995753022) internal successors, (51646), 24541 states have internal predecessors, (51646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24542 states to 24542 states and 51646 transitions. [2024-11-09 05:45:05,718 INFO L78 Accepts]: Start accepts. Automaton has 24542 states and 51646 transitions. Word has length 97 [2024-11-09 05:45:05,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:05,719 INFO L471 AbstractCegarLoop]: Abstraction has 24542 states and 51646 transitions. [2024-11-09 05:45:05,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 24542 states and 51646 transitions. [2024-11-09 05:45:05,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:45:05,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:05,724 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:05,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 05:45:05,725 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:45:05,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:05,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1140720197, now seen corresponding path program 11 times [2024-11-09 05:45:05,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:05,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102078984] [2024-11-09 05:45:05,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:05,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:06,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:06,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102078984] [2024-11-09 05:45:06,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102078984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:06,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:06,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:45:06,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006081458] [2024-11-09 05:45:06,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:06,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:45:06,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:06,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:45:06,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:45:06,389 INFO L87 Difference]: Start difference. First operand 24542 states and 51646 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:10,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:10,249 INFO L93 Difference]: Finished difference Result 30524 states and 62501 transitions. [2024-11-09 05:45:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:45:10,250 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:45:10,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:10,322 INFO L225 Difference]: With dead ends: 30524 [2024-11-09 05:45:10,322 INFO L226 Difference]: Without dead ends: 30458 [2024-11-09 05:45:10,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=343, Invalid=847, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:45:10,333 INFO L432 NwaCegarLoop]: 839 mSDtfsCounter, 1823 mSDsluCounter, 4840 mSDsCounter, 0 mSdLazyCounter, 2686 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 5679 SdHoareTripleChecker+Invalid, 2725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:10,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 5679 Invalid, 2725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 2686 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 05:45:10,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30458 states. [2024-11-09 05:45:10,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30458 to 24540. [2024-11-09 05:45:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24540 states, 24486 states have (on average 2.1090419014947317) internal successors, (51642), 24539 states have internal predecessors, (51642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24540 states to 24540 states and 51642 transitions. [2024-11-09 05:45:10,985 INFO L78 Accepts]: Start accepts. Automaton has 24540 states and 51642 transitions. Word has length 97 [2024-11-09 05:45:10,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:10,985 INFO L471 AbstractCegarLoop]: Abstraction has 24540 states and 51642 transitions. [2024-11-09 05:45:10,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:10,986 INFO L276 IsEmpty]: Start isEmpty. Operand 24540 states and 51642 transitions. [2024-11-09 05:45:10,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:45:10,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:10,993 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:10,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 05:45:10,994 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:45:10,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:10,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1719670565, now seen corresponding path program 12 times [2024-11-09 05:45:10,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:10,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649205733] [2024-11-09 05:45:10,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:10,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:11,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:11,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649205733] [2024-11-09 05:45:11,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649205733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:11,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:11,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:45:11,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333639624] [2024-11-09 05:45:11,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:11,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:45:11,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:11,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:45:11,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:45:11,699 INFO L87 Difference]: Start difference. First operand 24540 states and 51642 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:15,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:15,133 INFO L93 Difference]: Finished difference Result 30491 states and 62432 transitions. [2024-11-09 05:45:15,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 05:45:15,134 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:45:15,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:15,206 INFO L225 Difference]: With dead ends: 30491 [2024-11-09 05:45:15,206 INFO L226 Difference]: Without dead ends: 30425 [2024-11-09 05:45:15,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=318, Invalid=804, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 05:45:15,220 INFO L432 NwaCegarLoop]: 808 mSDtfsCounter, 1652 mSDsluCounter, 4750 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 2226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:15,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 5558 Invalid, 2226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 05:45:15,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30425 states. [2024-11-09 05:45:15,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30425 to 24538. [2024-11-09 05:45:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24538 states, 24484 states have (on average 2.10905080869139) internal successors, (51638), 24537 states have internal predecessors, (51638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:15,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24538 states to 24538 states and 51638 transitions. [2024-11-09 05:45:15,884 INFO L78 Accepts]: Start accepts. Automaton has 24538 states and 51638 transitions. Word has length 97 [2024-11-09 05:45:15,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:15,885 INFO L471 AbstractCegarLoop]: Abstraction has 24538 states and 51638 transitions. [2024-11-09 05:45:15,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:15,885 INFO L276 IsEmpty]: Start isEmpty. Operand 24538 states and 51638 transitions. [2024-11-09 05:45:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:45:15,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:15,890 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:15,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 05:45:15,890 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:45:15,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:15,891 INFO L85 PathProgramCache]: Analyzing trace with hash -856953025, now seen corresponding path program 13 times [2024-11-09 05:45:15,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:15,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953264117] [2024-11-09 05:45:15,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:15,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:16,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:16,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953264117] [2024-11-09 05:45:16,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953264117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:16,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:16,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:45:16,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792579335] [2024-11-09 05:45:16,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:16,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:45:16,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:16,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:45:16,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:45:16,650 INFO L87 Difference]: Start difference. First operand 24538 states and 51638 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:20,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:20,125 INFO L93 Difference]: Finished difference Result 30518 states and 62489 transitions. [2024-11-09 05:45:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:45:20,126 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:45:20,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:20,200 INFO L225 Difference]: With dead ends: 30518 [2024-11-09 05:45:20,200 INFO L226 Difference]: Without dead ends: 30452 [2024-11-09 05:45:20,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=342, Invalid=848, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:45:20,211 INFO L432 NwaCegarLoop]: 807 mSDtfsCounter, 1584 mSDsluCounter, 4688 mSDsCounter, 0 mSdLazyCounter, 2277 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 5495 SdHoareTripleChecker+Invalid, 2313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:20,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 5495 Invalid, 2313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2277 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 05:45:20,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30452 states. [2024-11-09 05:45:20,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30452 to 24536. [2024-11-09 05:45:20,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24536 states, 24482 states have (on average 2.1090597173433543) internal successors, (51634), 24535 states have internal predecessors, (51634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:20,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24536 states to 24536 states and 51634 transitions. [2024-11-09 05:45:20,875 INFO L78 Accepts]: Start accepts. Automaton has 24536 states and 51634 transitions. Word has length 97 [2024-11-09 05:45:20,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:20,875 INFO L471 AbstractCegarLoop]: Abstraction has 24536 states and 51634 transitions. [2024-11-09 05:45:20,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 24536 states and 51634 transitions. [2024-11-09 05:45:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:45:20,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:20,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:20,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 05:45:20,881 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:45:20,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:20,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1730968839, now seen corresponding path program 14 times [2024-11-09 05:45:20,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:20,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885216657] [2024-11-09 05:45:20,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:20,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:21,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:21,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885216657] [2024-11-09 05:45:21,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885216657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:21,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:21,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:45:21,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075971780] [2024-11-09 05:45:21,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:21,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:45:21,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:21,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:45:21,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:45:21,659 INFO L87 Difference]: Start difference. First operand 24536 states and 51634 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:25,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:25,399 INFO L93 Difference]: Finished difference Result 30539 states and 62531 transitions. [2024-11-09 05:45:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:45:25,400 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:45:25,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:25,472 INFO L225 Difference]: With dead ends: 30539 [2024-11-09 05:45:25,472 INFO L226 Difference]: Without dead ends: 30473 [2024-11-09 05:45:25,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:45:25,483 INFO L432 NwaCegarLoop]: 807 mSDtfsCounter, 1664 mSDsluCounter, 4727 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 5534 SdHoareTripleChecker+Invalid, 2526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:25,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1664 Valid, 5534 Invalid, 2526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2485 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 05:45:25,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30473 states. [2024-11-09 05:45:26,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30473 to 24534. [2024-11-09 05:45:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24534 states, 24480 states have (on average 2.1090686274509802) internal successors, (51630), 24533 states have internal predecessors, (51630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:26,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24534 states to 24534 states and 51630 transitions. [2024-11-09 05:45:26,288 INFO L78 Accepts]: Start accepts. Automaton has 24534 states and 51630 transitions. Word has length 97 [2024-11-09 05:45:26,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:26,288 INFO L471 AbstractCegarLoop]: Abstraction has 24534 states and 51630 transitions. [2024-11-09 05:45:26,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 24534 states and 51630 transitions. [2024-11-09 05:45:26,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:45:26,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:26,294 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:26,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 05:45:26,295 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:45:26,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:26,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1207474653, now seen corresponding path program 15 times [2024-11-09 05:45:26,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:26,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065403178] [2024-11-09 05:45:26,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:26,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:26,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:26,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065403178] [2024-11-09 05:45:26,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065403178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:26,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:26,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:45:26,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035549695] [2024-11-09 05:45:26,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:26,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:45:26,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:26,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:45:26,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:45:26,960 INFO L87 Difference]: Start difference. First operand 24534 states and 51630 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:30,556 INFO L93 Difference]: Finished difference Result 30524 states and 62501 transitions. [2024-11-09 05:45:30,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 05:45:30,556 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:45:30,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:30,640 INFO L225 Difference]: With dead ends: 30524 [2024-11-09 05:45:30,640 INFO L226 Difference]: Without dead ends: 30458 [2024-11-09 05:45:30,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:45:30,652 INFO L432 NwaCegarLoop]: 805 mSDtfsCounter, 1587 mSDsluCounter, 4302 mSDsCounter, 0 mSdLazyCounter, 1979 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 5107 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:30,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1587 Valid, 5107 Invalid, 2021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1979 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 05:45:30,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30458 states. [2024-11-09 05:45:31,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30458 to 24520. [2024-11-09 05:45:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24520 states, 24466 states have (on average 2.109131038992888) internal successors, (51602), 24519 states have internal predecessors, (51602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24520 states to 24520 states and 51602 transitions. [2024-11-09 05:45:31,542 INFO L78 Accepts]: Start accepts. Automaton has 24520 states and 51602 transitions. Word has length 97 [2024-11-09 05:45:31,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:31,543 INFO L471 AbstractCegarLoop]: Abstraction has 24520 states and 51602 transitions. [2024-11-09 05:45:31,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:31,543 INFO L276 IsEmpty]: Start isEmpty. Operand 24520 states and 51602 transitions. [2024-11-09 05:45:31,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:45:31,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:31,549 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:31,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 05:45:31,549 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:45:31,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:31,550 INFO L85 PathProgramCache]: Analyzing trace with hash -218707146, now seen corresponding path program 2 times [2024-11-09 05:45:31,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:31,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822816797] [2024-11-09 05:45:31,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:31,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:33,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:33,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822816797] [2024-11-09 05:45:33,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822816797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:33,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:33,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:45:33,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791490577] [2024-11-09 05:45:33,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:33,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:45:33,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:33,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:45:33,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:45:33,569 INFO L87 Difference]: Start difference. First operand 24520 states and 51602 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:42,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:42,127 INFO L93 Difference]: Finished difference Result 33983 states and 70895 transitions. [2024-11-09 05:45:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 05:45:42,127 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:45:42,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:42,199 INFO L225 Difference]: With dead ends: 33983 [2024-11-09 05:45:42,200 INFO L226 Difference]: Without dead ends: 33877 [2024-11-09 05:45:42,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=590, Invalid=2832, Unknown=0, NotChecked=0, Total=3422 [2024-11-09 05:45:42,211 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 1816 mSDsluCounter, 6552 mSDsCounter, 0 mSdLazyCounter, 6514 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 7077 SdHoareTripleChecker+Invalid, 6590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 6514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:42,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 7077 Invalid, 6590 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [76 Valid, 6514 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-09 05:45:42,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33877 states. [2024-11-09 05:45:42,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33877 to 25580. [2024-11-09 05:45:42,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25580 states, 25526 states have (on average 2.1068322494711276) internal successors, (53779), 25579 states have internal predecessors, (53779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25580 states to 25580 states and 53779 transitions. [2024-11-09 05:45:42,962 INFO L78 Accepts]: Start accepts. Automaton has 25580 states and 53779 transitions. Word has length 97 [2024-11-09 05:45:42,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:42,962 INFO L471 AbstractCegarLoop]: Abstraction has 25580 states and 53779 transitions. [2024-11-09 05:45:42,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:42,962 INFO L276 IsEmpty]: Start isEmpty. Operand 25580 states and 53779 transitions. [2024-11-09 05:45:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:45:42,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:42,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:42,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 05:45:42,971 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:45:42,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:42,972 INFO L85 PathProgramCache]: Analyzing trace with hash -422267076, now seen corresponding path program 2 times [2024-11-09 05:45:42,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:42,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593741348] [2024-11-09 05:45:42,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:42,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:44,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:44,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593741348] [2024-11-09 05:45:44,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593741348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:44,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:44,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:45:44,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260093539] [2024-11-09 05:45:44,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:44,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:45:44,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:44,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:45:44,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:45:44,531 INFO L87 Difference]: Start difference. First operand 25580 states and 53779 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:52,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:45:52,955 INFO L93 Difference]: Finished difference Result 34896 states and 72801 transitions. [2024-11-09 05:45:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-09 05:45:52,955 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:45:52,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:45:53,027 INFO L225 Difference]: With dead ends: 34896 [2024-11-09 05:45:53,027 INFO L226 Difference]: Without dead ends: 34760 [2024-11-09 05:45:53,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=818, Invalid=4152, Unknown=0, NotChecked=0, Total=4970 [2024-11-09 05:45:53,038 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 1831 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 5611 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 6076 SdHoareTripleChecker+Invalid, 5803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 5611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:45:53,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 6076 Invalid, 5803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 5611 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 05:45:53,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34760 states. [2024-11-09 05:45:53,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34760 to 25980. [2024-11-09 05:45:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25980 states, 25926 states have (on average 2.1063411247396435) internal successors, (54609), 25979 states have internal predecessors, (54609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25980 states to 25980 states and 54609 transitions. [2024-11-09 05:45:53,798 INFO L78 Accepts]: Start accepts. Automaton has 25980 states and 54609 transitions. Word has length 97 [2024-11-09 05:45:53,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:45:53,799 INFO L471 AbstractCegarLoop]: Abstraction has 25980 states and 54609 transitions. [2024-11-09 05:45:53,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:45:53,799 INFO L276 IsEmpty]: Start isEmpty. Operand 25980 states and 54609 transitions. [2024-11-09 05:45:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:45:53,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:45:53,807 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:45:53,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 05:45:53,807 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:45:53,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:45:53,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1449733024, now seen corresponding path program 6 times [2024-11-09 05:45:53,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:45:53,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653136461] [2024-11-09 05:45:53,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:45:53,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:45:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:45:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:45:56,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:45:56,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653136461] [2024-11-09 05:45:56,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653136461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:45:56,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:45:56,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:45:56,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755276251] [2024-11-09 05:45:56,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:45:56,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:45:56,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:45:56,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:45:56,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:45:56,359 INFO L87 Difference]: Start difference. First operand 25980 states and 54609 transitions. Second operand has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:02,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:02,979 INFO L93 Difference]: Finished difference Result 36887 states and 76858 transitions. [2024-11-09 05:46:02,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:46:02,980 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 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 97 [2024-11-09 05:46:02,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:03,058 INFO L225 Difference]: With dead ends: 36887 [2024-11-09 05:46:03,058 INFO L226 Difference]: Without dead ends: 36616 [2024-11-09 05:46:03,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=481, Invalid=1969, Unknown=0, NotChecked=0, Total=2450 [2024-11-09 05:46:03,069 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 1265 mSDsluCounter, 5172 mSDsCounter, 0 mSdLazyCounter, 4444 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 5661 SdHoareTripleChecker+Invalid, 4623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:03,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 5661 Invalid, 4623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4444 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-09 05:46:03,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36616 states. [2024-11-09 05:46:03,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36616 to 27333. [2024-11-09 05:46:03,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27333 states, 27279 states have (on average 2.104402654056234) internal successors, (57406), 27332 states have internal predecessors, (57406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27333 states to 27333 states and 57406 transitions. [2024-11-09 05:46:03,896 INFO L78 Accepts]: Start accepts. Automaton has 27333 states and 57406 transitions. Word has length 97 [2024-11-09 05:46:03,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:03,897 INFO L471 AbstractCegarLoop]: Abstraction has 27333 states and 57406 transitions. [2024-11-09 05:46:03,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 27333 states and 57406 transitions. [2024-11-09 05:46:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:46:03,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:03,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:03,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 05:46:03,905 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:46:03,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:03,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1100331516, now seen corresponding path program 7 times [2024-11-09 05:46:03,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:03,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053475064] [2024-11-09 05:46:03,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:03,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:06,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:06,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:06,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053475064] [2024-11-09 05:46:06,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053475064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:06,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:06,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:46:06,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636345889] [2024-11-09 05:46:06,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:06,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:46:06,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:06,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:46:06,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:06,566 INFO L87 Difference]: Start difference. First operand 27333 states and 57406 transitions. Second operand has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:13,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:13,343 INFO L93 Difference]: Finished difference Result 37288 states and 77675 transitions. [2024-11-09 05:46:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-09 05:46:13,343 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 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 97 [2024-11-09 05:46:13,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:13,427 INFO L225 Difference]: With dead ends: 37288 [2024-11-09 05:46:13,427 INFO L226 Difference]: Without dead ends: 37012 [2024-11-09 05:46:13,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=519, Invalid=2133, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 05:46:13,440 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 1314 mSDsluCounter, 5834 mSDsCounter, 0 mSdLazyCounter, 5067 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 6330 SdHoareTripleChecker+Invalid, 5305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 5067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:13,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 6330 Invalid, 5305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 5067 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 05:46:13,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37012 states. [2024-11-09 05:46:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37012 to 27389. [2024-11-09 05:46:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27389 states, 27335 states have (on average 2.1041887689775014) internal successors, (57518), 27388 states have internal predecessors, (57518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27389 states to 27389 states and 57518 transitions. [2024-11-09 05:46:14,243 INFO L78 Accepts]: Start accepts. Automaton has 27389 states and 57518 transitions. Word has length 97 [2024-11-09 05:46:14,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:14,243 INFO L471 AbstractCegarLoop]: Abstraction has 27389 states and 57518 transitions. [2024-11-09 05:46:14,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:14,243 INFO L276 IsEmpty]: Start isEmpty. Operand 27389 states and 57518 transitions. [2024-11-09 05:46:14,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:46:14,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:14,251 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:14,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 05:46:14,251 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:46:14,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:14,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1388867154, now seen corresponding path program 8 times [2024-11-09 05:46:14,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:14,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828186906] [2024-11-09 05:46:14,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:14,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:16,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:16,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828186906] [2024-11-09 05:46:16,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828186906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:16,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:16,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:46:16,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329516599] [2024-11-09 05:46:16,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:16,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:46:16,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:16,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:46:16,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:16,091 INFO L87 Difference]: Start difference. First operand 27389 states and 57518 transitions. Second operand has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:23,556 INFO L93 Difference]: Finished difference Result 37409 states and 77917 transitions. [2024-11-09 05:46:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-09 05:46:23,557 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 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 97 [2024-11-09 05:46:23,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:23,641 INFO L225 Difference]: With dead ends: 37409 [2024-11-09 05:46:23,641 INFO L226 Difference]: Without dead ends: 37133 [2024-11-09 05:46:23,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=568, Invalid=2294, Unknown=0, NotChecked=0, Total=2862 [2024-11-09 05:46:23,653 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 1399 mSDsluCounter, 5729 mSDsCounter, 0 mSdLazyCounter, 5388 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 6232 SdHoareTripleChecker+Invalid, 5663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 5388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:23,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 6232 Invalid, 5663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 5388 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-09 05:46:23,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37133 states. [2024-11-09 05:46:24,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37133 to 27450. [2024-11-09 05:46:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27450 states, 27396 states have (on average 2.104029785370127) internal successors, (57642), 27449 states have internal predecessors, (57642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27450 states to 27450 states and 57642 transitions. [2024-11-09 05:46:24,464 INFO L78 Accepts]: Start accepts. Automaton has 27450 states and 57642 transitions. Word has length 97 [2024-11-09 05:46:24,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:24,464 INFO L471 AbstractCegarLoop]: Abstraction has 27450 states and 57642 transitions. [2024-11-09 05:46:24,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:24,465 INFO L276 IsEmpty]: Start isEmpty. Operand 27450 states and 57642 transitions. [2024-11-09 05:46:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:46:24,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:24,477 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:24,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 05:46:24,477 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:46:24,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:24,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1715155176, now seen corresponding path program 9 times [2024-11-09 05:46:24,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:24,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369204817] [2024-11-09 05:46:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:24,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:26,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:26,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369204817] [2024-11-09 05:46:26,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369204817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:26,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:26,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:46:26,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056097684] [2024-11-09 05:46:26,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:26,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:46:26,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:26,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:46:26,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:46:26,968 INFO L87 Difference]: Start difference. First operand 27450 states and 57642 transitions. Second operand has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:34,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:34,930 INFO L93 Difference]: Finished difference Result 37559 states and 78217 transitions. [2024-11-09 05:46:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-09 05:46:34,931 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 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 97 [2024-11-09 05:46:34,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:35,010 INFO L225 Difference]: With dead ends: 37559 [2024-11-09 05:46:35,010 INFO L226 Difference]: Without dead ends: 37283 [2024-11-09 05:46:35,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=627, Invalid=2453, Unknown=0, NotChecked=0, Total=3080 [2024-11-09 05:46:35,022 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 1396 mSDsluCounter, 5652 mSDsCounter, 0 mSdLazyCounter, 5123 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 6162 SdHoareTripleChecker+Invalid, 5368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 5123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:35,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 6162 Invalid, 5368 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [245 Valid, 5123 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 05:46:35,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37283 states. [2024-11-09 05:46:35,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37283 to 27429. [2024-11-09 05:46:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27429 states, 27375 states have (on average 2.1041826484018267) internal successors, (57602), 27428 states have internal predecessors, (57602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27429 states to 27429 states and 57602 transitions. [2024-11-09 05:46:35,913 INFO L78 Accepts]: Start accepts. Automaton has 27429 states and 57602 transitions. Word has length 97 [2024-11-09 05:46:35,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:35,914 INFO L471 AbstractCegarLoop]: Abstraction has 27429 states and 57602 transitions. [2024-11-09 05:46:35,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:35,914 INFO L276 IsEmpty]: Start isEmpty. Operand 27429 states and 57602 transitions. [2024-11-09 05:46:35,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:46:35,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:35,923 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:35,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 05:46:35,924 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting reader_nowait_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:46:35,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:35,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1990178035, now seen corresponding path program 16 times [2024-11-09 05:46:35,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:35,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567888941] [2024-11-09 05:46:35,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:35,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:36,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:36,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567888941] [2024-11-09 05:46:36,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567888941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:36,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:36,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:46:36,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924537441] [2024-11-09 05:46:36,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:36,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:46:36,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:36,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:46:36,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:46:36,713 INFO L87 Difference]: Start difference. First operand 27429 states and 57602 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:42,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:42,014 INFO L93 Difference]: Finished difference Result 39571 states and 80902 transitions. [2024-11-09 05:46:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 05:46:42,014 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:46:42,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:42,096 INFO L225 Difference]: With dead ends: 39571 [2024-11-09 05:46:42,096 INFO L226 Difference]: Without dead ends: 39482 [2024-11-09 05:46:42,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=361, Invalid=899, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 05:46:42,108 INFO L432 NwaCegarLoop]: 799 mSDtfsCounter, 2123 mSDsluCounter, 6138 mSDsCounter, 0 mSdLazyCounter, 3900 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2123 SdHoareTripleChecker+Valid, 6937 SdHoareTripleChecker+Invalid, 3987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:42,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2123 Valid, 6937 Invalid, 3987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3900 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 05:46:42,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39482 states. [2024-11-09 05:46:43,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39482 to 28889. [2024-11-09 05:46:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28889 states, 28835 states have (on average 2.1033466273625803) internal successors, (60650), 28888 states have internal predecessors, (60650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28889 states to 28889 states and 60650 transitions. [2024-11-09 05:46:43,337 INFO L78 Accepts]: Start accepts. Automaton has 28889 states and 60650 transitions. Word has length 97 [2024-11-09 05:46:43,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:43,337 INFO L471 AbstractCegarLoop]: Abstraction has 28889 states and 60650 transitions. [2024-11-09 05:46:43,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 28889 states and 60650 transitions. [2024-11-09 05:46:43,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:46:43,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:43,344 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:43,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 05:46:43,345 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:46:43,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:43,345 INFO L85 PathProgramCache]: Analyzing trace with hash -153830194, now seen corresponding path program 10 times [2024-11-09 05:46:43,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:43,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765413553] [2024-11-09 05:46:43,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:43,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:43,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:43,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765413553] [2024-11-09 05:46:43,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765413553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:43,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:43,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-09 05:46:43,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345509639] [2024-11-09 05:46:43,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:43,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:46:43,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:43,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:46:43,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-11-09 05:46:43,948 INFO L87 Difference]: Start difference. First operand 28889 states and 60650 transitions. Second operand has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:49,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:49,444 INFO L93 Difference]: Finished difference Result 44886 states and 91805 transitions. [2024-11-09 05:46:49,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 05:46:49,445 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 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 97 [2024-11-09 05:46:49,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:49,547 INFO L225 Difference]: With dead ends: 44886 [2024-11-09 05:46:49,547 INFO L226 Difference]: Without dead ends: 44613 [2024-11-09 05:46:49,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=480, Invalid=1080, Unknown=0, NotChecked=0, Total=1560 [2024-11-09 05:46:49,560 INFO L432 NwaCegarLoop]: 894 mSDtfsCounter, 2143 mSDsluCounter, 6064 mSDsCounter, 0 mSdLazyCounter, 3056 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 6958 SdHoareTripleChecker+Invalid, 3282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 3056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:49,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 6958 Invalid, 3282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 3056 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-09 05:46:49,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44613 states. [2024-11-09 05:46:50,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44613 to 28124. [2024-11-09 05:46:50,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28124 states, 28070 states have (on average 2.103277520484503) internal successors, (59039), 28123 states have internal predecessors, (59039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28124 states to 28124 states and 59039 transitions. [2024-11-09 05:46:50,545 INFO L78 Accepts]: Start accepts. Automaton has 28124 states and 59039 transitions. Word has length 97 [2024-11-09 05:46:50,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:50,546 INFO L471 AbstractCegarLoop]: Abstraction has 28124 states and 59039 transitions. [2024-11-09 05:46:50,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.705882352941177) internal successors, (97), 18 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:46:50,546 INFO L276 IsEmpty]: Start isEmpty. Operand 28124 states and 59039 transitions. [2024-11-09 05:46:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:46:50,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:50,553 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:50,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 05:46:50,554 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:46:50,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:50,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1880697270, now seen corresponding path program 3 times [2024-11-09 05:46:50,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:50,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14177190] [2024-11-09 05:46:50,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:50,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:46:52,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:52,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14177190] [2024-11-09 05:46:52,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14177190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:52,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:52,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:46:52,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372219794] [2024-11-09 05:46:52,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:52,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:46:52,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:52,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:46:52,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:46:52,367 INFO L87 Difference]: Start difference. First operand 28124 states and 59039 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:01,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:01,661 INFO L93 Difference]: Finished difference Result 36735 states and 76589 transitions. [2024-11-09 05:47:01,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 05:47:01,661 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:47:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:01,750 INFO L225 Difference]: With dead ends: 36735 [2024-11-09 05:47:01,751 INFO L226 Difference]: Without dead ends: 36638 [2024-11-09 05:47:01,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=576, Invalid=2846, Unknown=0, NotChecked=0, Total=3422 [2024-11-09 05:47:01,762 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 1693 mSDsluCounter, 6449 mSDsCounter, 0 mSdLazyCounter, 6223 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 6991 SdHoareTripleChecker+Invalid, 6262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 6223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:01,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1693 Valid, 6991 Invalid, 6262 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [39 Valid, 6223 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-09 05:47:01,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36638 states. [2024-11-09 05:47:02,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36638 to 28517. [2024-11-09 05:47:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28517 states, 28463 states have (on average 2.102870393141974) internal successors, (59854), 28516 states have internal predecessors, (59854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28517 states to 28517 states and 59854 transitions. [2024-11-09 05:47:02,996 INFO L78 Accepts]: Start accepts. Automaton has 28517 states and 59854 transitions. Word has length 97 [2024-11-09 05:47:02,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:02,996 INFO L471 AbstractCegarLoop]: Abstraction has 28517 states and 59854 transitions. [2024-11-09 05:47:02,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 28517 states and 59854 transitions. [2024-11-09 05:47:03,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:47:03,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:03,005 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:03,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-09 05:47:03,006 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:47:03,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:03,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1677137340, now seen corresponding path program 3 times [2024-11-09 05:47:03,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:03,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184948828] [2024-11-09 05:47:03,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:03,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:04,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:04,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184948828] [2024-11-09 05:47:04,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184948828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:04,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:04,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:47:04,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231094373] [2024-11-09 05:47:04,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:04,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:47:04,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:04,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:47:04,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:47:04,865 INFO L87 Difference]: Start difference. First operand 28517 states and 59854 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:14,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:14,962 INFO L93 Difference]: Finished difference Result 38644 states and 80531 transitions. [2024-11-09 05:47:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-09 05:47:14,963 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:47:14,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:15,049 INFO L225 Difference]: With dead ends: 38644 [2024-11-09 05:47:15,049 INFO L226 Difference]: Without dead ends: 38502 [2024-11-09 05:47:15,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1235 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=809, Invalid=4161, Unknown=0, NotChecked=0, Total=4970 [2024-11-09 05:47:15,059 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 1788 mSDsluCounter, 5958 mSDsCounter, 0 mSdLazyCounter, 5440 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 6463 SdHoareTripleChecker+Invalid, 5752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 5440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:15,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 6463 Invalid, 5752 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [312 Valid, 5440 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-09 05:47:15,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38502 states. [2024-11-09 05:47:16,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38502 to 28533. [2024-11-09 05:47:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28533 states, 28479 states have (on average 2.1028477123494507) internal successors, (59887), 28532 states have internal predecessors, (59887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:16,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28533 states to 28533 states and 59887 transitions. [2024-11-09 05:47:16,208 INFO L78 Accepts]: Start accepts. Automaton has 28533 states and 59887 transitions. Word has length 97 [2024-11-09 05:47:16,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:16,208 INFO L471 AbstractCegarLoop]: Abstraction has 28533 states and 59887 transitions. [2024-11-09 05:47:16,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:16,208 INFO L276 IsEmpty]: Start isEmpty. Operand 28533 states and 59887 transitions. [2024-11-09 05:47:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:47:16,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:16,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:16,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-09 05:47:16,223 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:47:16,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:16,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1487781148, now seen corresponding path program 11 times [2024-11-09 05:47:16,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:16,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822372898] [2024-11-09 05:47:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:16,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:19,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:19,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822372898] [2024-11-09 05:47:19,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822372898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:19,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:19,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:47:19,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963525589] [2024-11-09 05:47:19,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:19,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:47:19,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:19,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:47:19,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:47:19,014 INFO L87 Difference]: Start difference. First operand 28533 states and 59887 transitions. Second operand has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:26,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:26,560 INFO L93 Difference]: Finished difference Result 38163 states and 79590 transitions. [2024-11-09 05:47:26,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 05:47:26,560 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 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 97 [2024-11-09 05:47:26,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:26,656 INFO L225 Difference]: With dead ends: 38163 [2024-11-09 05:47:26,656 INFO L226 Difference]: Without dead ends: 38076 [2024-11-09 05:47:26,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=441, Invalid=1629, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 05:47:26,670 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 1151 mSDsluCounter, 5926 mSDsCounter, 0 mSdLazyCounter, 5007 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 6422 SdHoareTripleChecker+Invalid, 5212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 5007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:26,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1151 Valid, 6422 Invalid, 5212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 5007 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 05:47:26,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38076 states. [2024-11-09 05:47:27,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38076 to 28552. [2024-11-09 05:47:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28552 states, 28498 states have (on average 2.1027791423959576) internal successors, (59925), 28551 states have internal predecessors, (59925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:27,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28552 states to 28552 states and 59925 transitions. [2024-11-09 05:47:28,015 INFO L78 Accepts]: Start accepts. Automaton has 28552 states and 59925 transitions. Word has length 97 [2024-11-09 05:47:28,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:28,015 INFO L471 AbstractCegarLoop]: Abstraction has 28552 states and 59925 transitions. [2024-11-09 05:47:28,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:28,015 INFO L276 IsEmpty]: Start isEmpty. Operand 28552 states and 59925 transitions. [2024-11-09 05:47:28,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:47:28,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:28,023 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:28,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-09 05:47:28,023 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:47:28,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:28,024 INFO L85 PathProgramCache]: Analyzing trace with hash 501551928, now seen corresponding path program 12 times [2024-11-09 05:47:28,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:28,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330407477] [2024-11-09 05:47:28,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:28,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:30,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:30,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:30,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330407477] [2024-11-09 05:47:30,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330407477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:30,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:30,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:47:30,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114875809] [2024-11-09 05:47:30,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:30,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:47:30,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:30,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:47:30,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:47:30,578 INFO L87 Difference]: Start difference. First operand 28552 states and 59925 transitions. Second operand has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:38,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:38,242 INFO L93 Difference]: Finished difference Result 38235 states and 79735 transitions. [2024-11-09 05:47:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 05:47:38,242 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 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 97 [2024-11-09 05:47:38,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:38,323 INFO L225 Difference]: With dead ends: 38235 [2024-11-09 05:47:38,323 INFO L226 Difference]: Without dead ends: 38148 [2024-11-09 05:47:38,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=478, Invalid=1778, Unknown=0, NotChecked=0, Total=2256 [2024-11-09 05:47:38,331 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 1320 mSDsluCounter, 6032 mSDsCounter, 0 mSdLazyCounter, 4347 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 6575 SdHoareTripleChecker+Invalid, 4589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 4347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:38,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 6575 Invalid, 4589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 4347 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-09 05:47:38,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38148 states. [2024-11-09 05:47:39,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38148 to 28527. [2024-11-09 05:47:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28527 states, 28473 states have (on average 2.1028693850314335) internal successors, (59875), 28526 states have internal predecessors, (59875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28527 states to 28527 states and 59875 transitions. [2024-11-09 05:47:39,374 INFO L78 Accepts]: Start accepts. Automaton has 28527 states and 59875 transitions. Word has length 97 [2024-11-09 05:47:39,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:39,375 INFO L471 AbstractCegarLoop]: Abstraction has 28527 states and 59875 transitions. [2024-11-09 05:47:39,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.217391304347826) internal successors, (97), 24 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 28527 states and 59875 transitions. [2024-11-09 05:47:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:47:39,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:39,384 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:39,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-09 05:47:39,384 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:47:39,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:39,385 INFO L85 PathProgramCache]: Analyzing trace with hash 629239922, now seen corresponding path program 4 times [2024-11-09 05:47:39,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:39,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850522944] [2024-11-09 05:47:39,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:39,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:41,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:41,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850522944] [2024-11-09 05:47:41,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850522944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:41,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:41,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:47:41,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566803263] [2024-11-09 05:47:41,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:41,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:47:41,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:41,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:47:41,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:47:41,469 INFO L87 Difference]: Start difference. First operand 28527 states and 59875 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:51,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:47:51,359 INFO L93 Difference]: Finished difference Result 37009 states and 77146 transitions. [2024-11-09 05:47:51,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-09 05:47:51,360 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:47:51,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:47:51,450 INFO L225 Difference]: With dead ends: 37009 [2024-11-09 05:47:51,450 INFO L226 Difference]: Without dead ends: 36912 [2024-11-09 05:47:51,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=599, Invalid=3061, Unknown=0, NotChecked=0, Total=3660 [2024-11-09 05:47:51,458 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 1714 mSDsluCounter, 6603 mSDsCounter, 0 mSdLazyCounter, 5918 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1714 SdHoareTripleChecker+Valid, 7167 SdHoareTripleChecker+Invalid, 5960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 5918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:47:51,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1714 Valid, 7167 Invalid, 5960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [42 Valid, 5918 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-09 05:47:51,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36912 states. [2024-11-09 05:47:52,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36912 to 28796. [2024-11-09 05:47:52,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28796 states, 28742 states have (on average 2.102150163523763) internal successors, (60420), 28795 states have internal predecessors, (60420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28796 states to 28796 states and 60420 transitions. [2024-11-09 05:47:52,579 INFO L78 Accepts]: Start accepts. Automaton has 28796 states and 60420 transitions. Word has length 97 [2024-11-09 05:47:52,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:47:52,579 INFO L471 AbstractCegarLoop]: Abstraction has 28796 states and 60420 transitions. [2024-11-09 05:47:52,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:47:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 28796 states and 60420 transitions. [2024-11-09 05:47:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:47:52,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:47:52,593 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:47:52,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-09 05:47:52,593 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:47:52,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:47:52,594 INFO L85 PathProgramCache]: Analyzing trace with hash 425679992, now seen corresponding path program 4 times [2024-11-09 05:47:52,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:47:52,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965821742] [2024-11-09 05:47:52,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:47:52,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:47:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:47:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:47:54,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:47:54,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965821742] [2024-11-09 05:47:54,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965821742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:47:54,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:47:54,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:47:54,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36151687] [2024-11-09 05:47:54,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:47:54,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:47:54,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:47:54,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:47:54,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:47:54,087 INFO L87 Difference]: Start difference. First operand 28796 states and 60420 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:07,950 INFO L93 Difference]: Finished difference Result 41485 states and 86399 transitions. [2024-11-09 05:48:07,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-09 05:48:07,951 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:48:07,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:08,055 INFO L225 Difference]: With dead ends: 41485 [2024-11-09 05:48:08,056 INFO L226 Difference]: Without dead ends: 41343 [2024-11-09 05:48:08,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1958 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=1196, Invalid=5944, Unknown=0, NotChecked=0, Total=7140 [2024-11-09 05:48:08,067 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 2260 mSDsluCounter, 6348 mSDsCounter, 0 mSdLazyCounter, 6368 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 6876 SdHoareTripleChecker+Invalid, 6627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 6368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:08,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2260 Valid, 6876 Invalid, 6627 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [259 Valid, 6368 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-09 05:48:08,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41343 states. [2024-11-09 05:48:09,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41343 to 28562. [2024-11-09 05:48:09,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28562 states, 28508 states have (on average 2.102743089659043) internal successors, (59945), 28561 states have internal predecessors, (59945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28562 states to 28562 states and 59945 transitions. [2024-11-09 05:48:09,220 INFO L78 Accepts]: Start accepts. Automaton has 28562 states and 59945 transitions. Word has length 97 [2024-11-09 05:48:09,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:09,221 INFO L471 AbstractCegarLoop]: Abstraction has 28562 states and 59945 transitions. [2024-11-09 05:48:09,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:09,221 INFO L276 IsEmpty]: Start isEmpty. Operand 28562 states and 59945 transitions. [2024-11-09 05:48:09,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:48:09,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:09,231 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:09,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-09 05:48:09,232 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:48:09,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:09,232 INFO L85 PathProgramCache]: Analyzing trace with hash 408682932, now seen corresponding path program 5 times [2024-11-09 05:48:09,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:09,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928703217] [2024-11-09 05:48:09,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:09,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:11,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:11,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:11,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928703217] [2024-11-09 05:48:11,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928703217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:11,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:11,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:48:11,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005048043] [2024-11-09 05:48:11,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:11,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:48:11,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:11,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:48:11,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:48:11,728 INFO L87 Difference]: Start difference. First operand 28562 states and 59945 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:22,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:22,355 INFO L93 Difference]: Finished difference Result 39210 states and 81709 transitions. [2024-11-09 05:48:22,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-09 05:48:22,355 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:48:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:22,444 INFO L225 Difference]: With dead ends: 39210 [2024-11-09 05:48:22,444 INFO L226 Difference]: Without dead ends: 39113 [2024-11-09 05:48:22,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=628, Invalid=2678, Unknown=0, NotChecked=0, Total=3306 [2024-11-09 05:48:22,457 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 1847 mSDsluCounter, 6834 mSDsCounter, 0 mSdLazyCounter, 5531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 7427 SdHoareTripleChecker+Invalid, 5568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 5531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:22,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1847 Valid, 7427 Invalid, 5568 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [37 Valid, 5531 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-11-09 05:48:22,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39113 states. [2024-11-09 05:48:23,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39113 to 28966. [2024-11-09 05:48:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28966 states, 28912 states have (on average 2.1019991698948535) internal successors, (60773), 28965 states have internal predecessors, (60773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28966 states to 28966 states and 60773 transitions. [2024-11-09 05:48:23,727 INFO L78 Accepts]: Start accepts. Automaton has 28966 states and 60773 transitions. Word has length 97 [2024-11-09 05:48:23,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:23,727 INFO L471 AbstractCegarLoop]: Abstraction has 28966 states and 60773 transitions. [2024-11-09 05:48:23,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 28966 states and 60773 transitions. [2024-11-09 05:48:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:48:23,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:23,736 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:23,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-09 05:48:23,736 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:48:23,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash 205123002, now seen corresponding path program 5 times [2024-11-09 05:48:23,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:23,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939671433] [2024-11-09 05:48:23,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:23,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:25,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:25,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939671433] [2024-11-09 05:48:25,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939671433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:25,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:25,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:48:25,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955196851] [2024-11-09 05:48:25,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:25,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:48:25,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:25,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:48:25,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:48:25,606 INFO L87 Difference]: Start difference. First operand 28966 states and 60773 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:39,685 INFO L93 Difference]: Finished difference Result 41575 states and 86652 transitions. [2024-11-09 05:48:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-09 05:48:39,685 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:48:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:39,786 INFO L225 Difference]: With dead ends: 41575 [2024-11-09 05:48:39,786 INFO L226 Difference]: Without dead ends: 41433 [2024-11-09 05:48:39,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1656 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=1180, Invalid=5300, Unknown=0, NotChecked=0, Total=6480 [2024-11-09 05:48:39,801 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 1869 mSDsluCounter, 8075 mSDsCounter, 0 mSdLazyCounter, 6381 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1869 SdHoareTripleChecker+Valid, 8674 SdHoareTripleChecker+Invalid, 6551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 6381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:39,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1869 Valid, 8674 Invalid, 6551 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [170 Valid, 6381 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-09 05:48:39,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41433 states. [2024-11-09 05:48:41,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41433 to 30588. [2024-11-09 05:48:41,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30588 states, 30534 states have (on average 2.1030654352525056) internal successors, (64215), 30587 states have internal predecessors, (64215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:41,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30588 states to 30588 states and 64215 transitions. [2024-11-09 05:48:41,193 INFO L78 Accepts]: Start accepts. Automaton has 30588 states and 64215 transitions. Word has length 97 [2024-11-09 05:48:41,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:41,193 INFO L471 AbstractCegarLoop]: Abstraction has 30588 states and 64215 transitions. [2024-11-09 05:48:41,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 30588 states and 64215 transitions. [2024-11-09 05:48:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:48:41,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:41,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:41,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-09 05:48:41,203 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:48:41,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:41,203 INFO L85 PathProgramCache]: Analyzing trace with hash 876916016, now seen corresponding path program 6 times [2024-11-09 05:48:41,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:41,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978556172] [2024-11-09 05:48:41,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:41,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:43,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:43,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978556172] [2024-11-09 05:48:43,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978556172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:43,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:43,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:48:43,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103107219] [2024-11-09 05:48:43,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:43,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:48:43,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:43,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:48:43,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:48:43,692 INFO L87 Difference]: Start difference. First operand 30588 states and 64215 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:53,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:53,650 INFO L93 Difference]: Finished difference Result 40467 states and 84439 transitions. [2024-11-09 05:48:53,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 05:48:53,650 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:48:53,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:53,766 INFO L225 Difference]: With dead ends: 40467 [2024-11-09 05:48:53,766 INFO L226 Difference]: Without dead ends: 40380 [2024-11-09 05:48:53,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=543, Invalid=2213, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 05:48:53,783 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 1728 mSDsluCounter, 6766 mSDsCounter, 0 mSdLazyCounter, 4993 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 7335 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 4993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:53,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1728 Valid, 7335 Invalid, 5033 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [40 Valid, 4993 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-09 05:48:53,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40380 states. [2024-11-09 05:48:54,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40380 to 30585. [2024-11-09 05:48:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30585 states, 30531 states have (on average 2.103075562542989) internal successors, (64209), 30584 states have internal predecessors, (64209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30585 states to 30585 states and 64209 transitions. [2024-11-09 05:48:55,070 INFO L78 Accepts]: Start accepts. Automaton has 30585 states and 64209 transitions. Word has length 97 [2024-11-09 05:48:55,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:55,071 INFO L471 AbstractCegarLoop]: Abstraction has 30585 states and 64209 transitions. [2024-11-09 05:48:55,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:48:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 30585 states and 64209 transitions. [2024-11-09 05:48:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:48:55,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:55,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:55,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-09 05:48:55,081 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:48:55,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:55,081 INFO L85 PathProgramCache]: Analyzing trace with hash -787846154, now seen corresponding path program 7 times [2024-11-09 05:48:55,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:55,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400586450] [2024-11-09 05:48:55,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:55,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:57,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:57,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:57,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400586450] [2024-11-09 05:48:57,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400586450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:57,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:57,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:48:57,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287293048] [2024-11-09 05:48:57,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:57,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:48:57,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:57,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:48:57,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:48:57,241 INFO L87 Difference]: Start difference. First operand 30585 states and 64209 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:06,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:06,380 INFO L93 Difference]: Finished difference Result 40484 states and 84475 transitions. [2024-11-09 05:49:06,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-09 05:49:06,381 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:49:06,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:06,478 INFO L225 Difference]: With dead ends: 40484 [2024-11-09 05:49:06,478 INFO L226 Difference]: Without dead ends: 40397 [2024-11-09 05:49:06,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=549, Invalid=2313, Unknown=0, NotChecked=0, Total=2862 [2024-11-09 05:49:06,489 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 1635 mSDsluCounter, 7713 mSDsCounter, 0 mSdLazyCounter, 5353 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 8306 SdHoareTripleChecker+Invalid, 5378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 5353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:06,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 8306 Invalid, 5378 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 5353 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-09 05:49:06,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40397 states. [2024-11-09 05:49:07,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40397 to 30585. [2024-11-09 05:49:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30585 states, 30531 states have (on average 2.103075562542989) internal successors, (64209), 30584 states have internal predecessors, (64209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:07,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30585 states to 30585 states and 64209 transitions. [2024-11-09 05:49:07,992 INFO L78 Accepts]: Start accepts. Automaton has 30585 states and 64209 transitions. Word has length 97 [2024-11-09 05:49:07,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:07,993 INFO L471 AbstractCegarLoop]: Abstraction has 30585 states and 64209 transitions. [2024-11-09 05:49:07,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:07,993 INFO L276 IsEmpty]: Start isEmpty. Operand 30585 states and 64209 transitions. [2024-11-09 05:49:08,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:49:08,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:08,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:08,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-09 05:49:08,002 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:49:08,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:08,002 INFO L85 PathProgramCache]: Analyzing trace with hash -598375394, now seen corresponding path program 8 times [2024-11-09 05:49:08,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:08,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006630892] [2024-11-09 05:49:08,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:08,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:10,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:10,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006630892] [2024-11-09 05:49:10,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006630892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:10,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:10,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:49:10,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364769202] [2024-11-09 05:49:10,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:10,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:49:10,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:10,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:49:10,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:49:10,149 INFO L87 Difference]: Start difference. First operand 30585 states and 64209 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:19,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:19,957 INFO L93 Difference]: Finished difference Result 40492 states and 84492 transitions. [2024-11-09 05:49:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 05:49:19,957 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:49:19,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:20,074 INFO L225 Difference]: With dead ends: 40492 [2024-11-09 05:49:20,074 INFO L226 Difference]: Without dead ends: 40405 [2024-11-09 05:49:20,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=578, Invalid=2392, Unknown=0, NotChecked=0, Total=2970 [2024-11-09 05:49:20,087 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 1767 mSDsluCounter, 6750 mSDsCounter, 0 mSdLazyCounter, 5091 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 7343 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 5091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:20,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 7343 Invalid, 5128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [37 Valid, 5091 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-09 05:49:20,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40405 states. [2024-11-09 05:49:21,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40405 to 30585. [2024-11-09 05:49:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30585 states, 30531 states have (on average 2.103075562542989) internal successors, (64209), 30584 states have internal predecessors, (64209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30585 states to 30585 states and 64209 transitions. [2024-11-09 05:49:21,461 INFO L78 Accepts]: Start accepts. Automaton has 30585 states and 64209 transitions. Word has length 97 [2024-11-09 05:49:21,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:21,462 INFO L471 AbstractCegarLoop]: Abstraction has 30585 states and 64209 transitions. [2024-11-09 05:49:21,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 30585 states and 64209 transitions. [2024-11-09 05:49:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:49:21,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:21,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:21,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-09 05:49:21,472 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:49:21,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:21,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1756603156, now seen corresponding path program 9 times [2024-11-09 05:49:21,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:21,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985838742] [2024-11-09 05:49:21,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:21,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:23,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:23,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:23,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985838742] [2024-11-09 05:49:23,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985838742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:23,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:23,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:49:23,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130821737] [2024-11-09 05:49:23,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:23,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:49:23,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:23,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:49:23,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:49:23,735 INFO L87 Difference]: Start difference. First operand 30585 states and 64209 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:33,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:33,635 INFO L93 Difference]: Finished difference Result 40460 states and 84424 transitions. [2024-11-09 05:49:33,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-09 05:49:33,636 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:49:33,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:33,727 INFO L225 Difference]: With dead ends: 40460 [2024-11-09 05:49:33,727 INFO L226 Difference]: Without dead ends: 40373 [2024-11-09 05:49:33,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=559, Invalid=2303, Unknown=0, NotChecked=0, Total=2862 [2024-11-09 05:49:33,738 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 1616 mSDsluCounter, 7541 mSDsCounter, 0 mSdLazyCounter, 4961 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 8122 SdHoareTripleChecker+Invalid, 5004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 4961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:33,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 8122 Invalid, 5004 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [43 Valid, 4961 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-09 05:49:33,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40373 states. [2024-11-09 05:49:34,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40373 to 30575. [2024-11-09 05:49:34,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30575 states, 30521 states have (on average 2.1030438059041314) internal successors, (64187), 30574 states have internal predecessors, (64187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30575 states to 30575 states and 64187 transitions. [2024-11-09 05:49:35,069 INFO L78 Accepts]: Start accepts. Automaton has 30575 states and 64187 transitions. Word has length 97 [2024-11-09 05:49:35,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:35,069 INFO L471 AbstractCegarLoop]: Abstraction has 30575 states and 64187 transitions. [2024-11-09 05:49:35,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand 30575 states and 64187 transitions. [2024-11-09 05:49:35,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:49:35,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:35,079 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:35,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-09 05:49:35,079 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:49:35,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:35,079 INFO L85 PathProgramCache]: Analyzing trace with hash 306717426, now seen corresponding path program 10 times [2024-11-09 05:49:35,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:35,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892951840] [2024-11-09 05:49:35,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:35,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:37,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:37,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:37,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892951840] [2024-11-09 05:49:37,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892951840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:37,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:37,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:49:37,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856430377] [2024-11-09 05:49:37,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:37,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:49:37,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:37,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:49:37,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:49:37,091 INFO L87 Difference]: Start difference. First operand 30575 states and 64187 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:49,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:49:49,024 INFO L93 Difference]: Finished difference Result 38794 states and 80909 transitions. [2024-11-09 05:49:49,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-09 05:49:49,024 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:49:49,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:49:49,140 INFO L225 Difference]: With dead ends: 38794 [2024-11-09 05:49:49,140 INFO L226 Difference]: Without dead ends: 38697 [2024-11-09 05:49:49,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=611, Invalid=2929, Unknown=0, NotChecked=0, Total=3540 [2024-11-09 05:49:49,153 INFO L432 NwaCegarLoop]: 570 mSDtfsCounter, 1813 mSDsluCounter, 7096 mSDsCounter, 0 mSdLazyCounter, 6067 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 6104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 6067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:49:49,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1813 Valid, 7666 Invalid, 6104 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [37 Valid, 6067 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-09 05:49:49,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38697 states. [2024-11-09 05:49:50,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38697 to 30859. [2024-11-09 05:49:50,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30859 states, 30805 states have (on average 2.1023535140399288) internal successors, (64763), 30858 states have internal predecessors, (64763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30859 states to 30859 states and 64763 transitions. [2024-11-09 05:49:50,692 INFO L78 Accepts]: Start accepts. Automaton has 30859 states and 64763 transitions. Word has length 97 [2024-11-09 05:49:50,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:49:50,693 INFO L471 AbstractCegarLoop]: Abstraction has 30859 states and 64763 transitions. [2024-11-09 05:49:50,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:49:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 30859 states and 64763 transitions. [2024-11-09 05:49:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:49:50,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:49:50,705 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:49:50,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-09 05:49:50,705 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:49:50,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:49:50,706 INFO L85 PathProgramCache]: Analyzing trace with hash 103157496, now seen corresponding path program 6 times [2024-11-09 05:49:50,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:49:50,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874014370] [2024-11-09 05:49:50,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:50,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:49:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:49:53,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:53,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874014370] [2024-11-09 05:49:53,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874014370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:49:53,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:49:53,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:49:53,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476230194] [2024-11-09 05:49:53,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:49:53,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:49:53,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:49:53,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:49:53,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:49:53,013 INFO L87 Difference]: Start difference. First operand 30859 states and 64763 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:08,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:08,306 INFO L93 Difference]: Finished difference Result 40914 states and 85334 transitions. [2024-11-09 05:50:08,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-09 05:50:08,307 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:50:08,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:08,426 INFO L225 Difference]: With dead ends: 40914 [2024-11-09 05:50:08,426 INFO L226 Difference]: Without dead ends: 40772 [2024-11-09 05:50:08,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1662 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=1186, Invalid=5294, Unknown=0, NotChecked=0, Total=6480 [2024-11-09 05:50:08,436 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 1880 mSDsluCounter, 6647 mSDsCounter, 0 mSdLazyCounter, 5581 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 7200 SdHoareTripleChecker+Invalid, 5785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 5581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:08,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 7200 Invalid, 5785 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [204 Valid, 5581 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-09 05:50:08,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40772 states. [2024-11-09 05:50:09,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40772 to 30584. [2024-11-09 05:50:09,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30584 states, 30530 states have (on average 2.1030134294136915) internal successors, (64205), 30583 states have internal predecessors, (64205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30584 states to 30584 states and 64205 transitions. [2024-11-09 05:50:09,872 INFO L78 Accepts]: Start accepts. Automaton has 30584 states and 64205 transitions. Word has length 97 [2024-11-09 05:50:09,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:09,873 INFO L471 AbstractCegarLoop]: Abstraction has 30584 states and 64205 transitions. [2024-11-09 05:50:09,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:09,873 INFO L276 IsEmpty]: Start isEmpty. Operand 30584 states and 64205 transitions. [2024-11-09 05:50:09,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:50:09,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:09,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:09,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-09 05:50:09,881 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:50:09,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:09,882 INFO L85 PathProgramCache]: Analyzing trace with hash -704256452, now seen corresponding path program 7 times [2024-11-09 05:50:09,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:09,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509882562] [2024-11-09 05:50:09,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:09,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:14,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:14,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509882562] [2024-11-09 05:50:14,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509882562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:14,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:14,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-11-09 05:50:14,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018105737] [2024-11-09 05:50:14,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:14,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:50:14,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:14,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:50:14,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:50:14,366 INFO L87 Difference]: Start difference. First operand 30584 states and 64205 transitions. Second operand has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:34,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:50:34,006 INFO L93 Difference]: Finished difference Result 38475 states and 80314 transitions. [2024-11-09 05:50:34,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-09 05:50:34,007 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 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 97 [2024-11-09 05:50:34,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:50:34,149 INFO L225 Difference]: With dead ends: 38475 [2024-11-09 05:50:34,150 INFO L226 Difference]: Without dead ends: 38343 [2024-11-09 05:50:34,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2027 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=1429, Invalid=6761, Unknown=0, NotChecked=0, Total=8190 [2024-11-09 05:50:34,161 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 1624 mSDsluCounter, 6884 mSDsCounter, 0 mSdLazyCounter, 7846 mSolverCounterSat, 323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 7391 SdHoareTripleChecker+Invalid, 8169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 323 IncrementalHoareTripleChecker+Valid, 7846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:50:34,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1624 Valid, 7391 Invalid, 8169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [323 Valid, 7846 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2024-11-09 05:50:34,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38343 states. [2024-11-09 05:50:35,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38343 to 30599. [2024-11-09 05:50:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30599 states, 30545 states have (on average 2.102962841708954) internal successors, (64235), 30598 states have internal predecessors, (64235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30599 states to 30599 states and 64235 transitions. [2024-11-09 05:50:35,622 INFO L78 Accepts]: Start accepts. Automaton has 30599 states and 64235 transitions. Word has length 97 [2024-11-09 05:50:35,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:50:35,622 INFO L471 AbstractCegarLoop]: Abstraction has 30599 states and 64235 transitions. [2024-11-09 05:50:35,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:50:35,623 INFO L276 IsEmpty]: Start isEmpty. Operand 30599 states and 64235 transitions. [2024-11-09 05:50:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:50:35,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:50:35,632 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:50:35,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-09 05:50:35,632 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:50:35,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:50:35,632 INFO L85 PathProgramCache]: Analyzing trace with hash -767703578, now seen corresponding path program 8 times [2024-11-09 05:50:35,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:50:35,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129392533] [2024-11-09 05:50:35,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:50:35,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:50:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:50:41,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:50:41,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:50:41,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129392533] [2024-11-09 05:50:41,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129392533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:50:41,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:50:41,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2024-11-09 05:50:41,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843912676] [2024-11-09 05:50:41,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:50:41,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 05:50:41,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:50:41,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 05:50:41,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:50:41,078 INFO L87 Difference]: Start difference. First operand 30599 states and 64235 transitions. Second operand has 32 states, 31 states have (on average 3.129032258064516) internal successors, (97), 32 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:01,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:01,607 INFO L93 Difference]: Finished difference Result 40216 states and 83887 transitions. [2024-11-09 05:51:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-09 05:51:01,607 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.129032258064516) internal successors, (97), 32 states have internal predecessors, (97), 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 97 [2024-11-09 05:51:01,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:01,722 INFO L225 Difference]: With dead ends: 40216 [2024-11-09 05:51:01,723 INFO L226 Difference]: Without dead ends: 40079 [2024-11-09 05:51:01,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1944 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=1427, Invalid=6583, Unknown=0, NotChecked=0, Total=8010 [2024-11-09 05:51:01,731 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 1829 mSDsluCounter, 6811 mSDsCounter, 0 mSdLazyCounter, 7929 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 7333 SdHoareTripleChecker+Invalid, 8338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 7929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:01,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 7333 Invalid, 8338 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [409 Valid, 7929 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-11-09 05:51:01,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40079 states. [2024-11-09 05:51:03,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40079 to 30599. [2024-11-09 05:51:03,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30599 states, 30545 states have (on average 2.102962841708954) internal successors, (64235), 30598 states have internal predecessors, (64235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30599 states to 30599 states and 64235 transitions. [2024-11-09 05:51:03,329 INFO L78 Accepts]: Start accepts. Automaton has 30599 states and 64235 transitions. Word has length 97 [2024-11-09 05:51:03,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:03,329 INFO L471 AbstractCegarLoop]: Abstraction has 30599 states and 64235 transitions. [2024-11-09 05:51:03,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.129032258064516) internal successors, (97), 32 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 30599 states and 64235 transitions. [2024-11-09 05:51:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:51:03,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:03,339 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:03,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-09 05:51:03,339 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:51:03,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:03,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1117503672, now seen corresponding path program 9 times [2024-11-09 05:51:03,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:03,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887548896] [2024-11-09 05:51:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:03,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:08,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:08,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887548896] [2024-11-09 05:51:08,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887548896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:08,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:08,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-11-09 05:51:08,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545466962] [2024-11-09 05:51:08,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:08,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:51:08,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:08,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:51:08,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=955, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:51:08,070 INFO L87 Difference]: Start difference. First operand 30599 states and 64235 transitions. Second operand has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:29,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:51:29,517 INFO L93 Difference]: Finished difference Result 40679 states and 84819 transitions. [2024-11-09 05:51:29,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-09 05:51:29,518 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 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 97 [2024-11-09 05:51:29,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:51:29,646 INFO L225 Difference]: With dead ends: 40679 [2024-11-09 05:51:29,646 INFO L226 Difference]: Without dead ends: 40547 [2024-11-09 05:51:29,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2154 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=1461, Invalid=7095, Unknown=0, NotChecked=0, Total=8556 [2024-11-09 05:51:29,661 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 1685 mSDsluCounter, 7304 mSDsCounter, 0 mSdLazyCounter, 8012 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 7823 SdHoareTripleChecker+Invalid, 8362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 8012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:51:29,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 7823 Invalid, 8362 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [350 Valid, 8012 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-11-09 05:51:29,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40547 states. [2024-11-09 05:51:30,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40547 to 30615. [2024-11-09 05:51:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30615 states, 30561 states have (on average 2.102908936225909) internal successors, (64267), 30614 states have internal predecessors, (64267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30615 states to 30615 states and 64267 transitions. [2024-11-09 05:51:31,123 INFO L78 Accepts]: Start accepts. Automaton has 30615 states and 64267 transitions. Word has length 97 [2024-11-09 05:51:31,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:51:31,124 INFO L471 AbstractCegarLoop]: Abstraction has 30615 states and 64267 transitions. [2024-11-09 05:51:31,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:51:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 30615 states and 64267 transitions. [2024-11-09 05:51:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:51:31,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:51:31,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:51:31,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-09 05:51:31,135 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:51:31,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:51:31,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1798572178, now seen corresponding path program 10 times [2024-11-09 05:51:31,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:51:31,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097738112] [2024-11-09 05:51:31,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:51:31,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:51:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:51:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:51:35,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:51:35,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097738112] [2024-11-09 05:51:35,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097738112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:51:35,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:51:35,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-11-09 05:51:35,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564660887] [2024-11-09 05:51:35,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:51:35,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:51:35,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:51:35,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:51:35,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:51:35,496 INFO L87 Difference]: Start difference. First operand 30615 states and 64267 transitions. Second operand has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:00,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:00,646 INFO L93 Difference]: Finished difference Result 40724 states and 84906 transitions. [2024-11-09 05:52:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-11-09 05:52:00,647 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 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 97 [2024-11-09 05:52:00,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:00,752 INFO L225 Difference]: With dead ends: 40724 [2024-11-09 05:52:00,752 INFO L226 Difference]: Without dead ends: 40587 [2024-11-09 05:52:00,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3323 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=2180, Invalid=10030, Unknown=0, NotChecked=0, Total=12210 [2024-11-09 05:52:00,763 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 1983 mSDsluCounter, 7712 mSDsCounter, 0 mSdLazyCounter, 9482 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 8260 SdHoareTripleChecker+Invalid, 9914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 9482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:00,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1983 Valid, 8260 Invalid, 9914 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [432 Valid, 9482 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2024-11-09 05:52:00,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40587 states. [2024-11-09 05:52:01,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40587 to 30606. [2024-11-09 05:52:01,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30606 states, 30552 states have (on average 2.102939251112857) internal successors, (64249), 30605 states have internal predecessors, (64249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30606 states to 30606 states and 64249 transitions. [2024-11-09 05:52:02,083 INFO L78 Accepts]: Start accepts. Automaton has 30606 states and 64249 transitions. Word has length 97 [2024-11-09 05:52:02,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:02,084 INFO L471 AbstractCegarLoop]: Abstraction has 30606 states and 64249 transitions. [2024-11-09 05:52:02,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 30606 states and 64249 transitions. [2024-11-09 05:52:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:52:02,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:02,092 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:02,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-09 05:52:02,093 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:52:02,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:02,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1415585174, now seen corresponding path program 11 times [2024-11-09 05:52:02,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:02,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253821294] [2024-11-09 05:52:02,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:02,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:06,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:06,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253821294] [2024-11-09 05:52:06,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253821294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:06,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:06,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-11-09 05:52:06,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702307904] [2024-11-09 05:52:06,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:06,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:52:06,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:06,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:52:06,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=955, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:52:06,536 INFO L87 Difference]: Start difference. First operand 30606 states and 64249 transitions. Second operand has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:25,352 INFO L93 Difference]: Finished difference Result 40804 states and 85074 transitions. [2024-11-09 05:52:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-09 05:52:25,353 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 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 97 [2024-11-09 05:52:25,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:25,458 INFO L225 Difference]: With dead ends: 40804 [2024-11-09 05:52:25,458 INFO L226 Difference]: Without dead ends: 40667 [2024-11-09 05:52:25,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2158 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=1438, Invalid=7118, Unknown=0, NotChecked=0, Total=8556 [2024-11-09 05:52:25,467 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 1989 mSDsluCounter, 6138 mSDsCounter, 0 mSdLazyCounter, 7200 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 6657 SdHoareTripleChecker+Invalid, 7680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 7200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:25,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 6657 Invalid, 7680 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [480 Valid, 7200 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2024-11-09 05:52:25,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40667 states. [2024-11-09 05:52:26,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40667 to 30635. [2024-11-09 05:52:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30635 states, 30581 states have (on average 2.102841633694124) internal successors, (64307), 30634 states have internal predecessors, (64307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30635 states to 30635 states and 64307 transitions. [2024-11-09 05:52:26,977 INFO L78 Accepts]: Start accepts. Automaton has 30635 states and 64307 transitions. Word has length 97 [2024-11-09 05:52:26,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:26,978 INFO L471 AbstractCegarLoop]: Abstraction has 30635 states and 64307 transitions. [2024-11-09 05:52:26,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:26,978 INFO L276 IsEmpty]: Start isEmpty. Operand 30635 states and 64307 transitions. [2024-11-09 05:52:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:52:26,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:26,989 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:26,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-09 05:52:26,990 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:52:26,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:26,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1147706556, now seen corresponding path program 12 times [2024-11-09 05:52:26,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:26,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473101055] [2024-11-09 05:52:26,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:26,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:30,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:30,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:30,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473101055] [2024-11-09 05:52:30,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473101055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:30,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:30,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-11-09 05:52:30,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208642903] [2024-11-09 05:52:30,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:30,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:52:30,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:30,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:52:30,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=953, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:52:30,913 INFO L87 Difference]: Start difference. First operand 30635 states and 64307 transitions. Second operand has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:50,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:50,319 INFO L93 Difference]: Finished difference Result 40996 states and 85466 transitions. [2024-11-09 05:52:50,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-09 05:52:50,319 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 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 97 [2024-11-09 05:52:50,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:50,425 INFO L225 Difference]: With dead ends: 40996 [2024-11-09 05:52:50,425 INFO L226 Difference]: Without dead ends: 40864 [2024-11-09 05:52:50,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2796 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=1643, Invalid=8457, Unknown=0, NotChecked=0, Total=10100 [2024-11-09 05:52:50,438 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 1874 mSDsluCounter, 6597 mSDsCounter, 0 mSdLazyCounter, 7256 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 7110 SdHoareTripleChecker+Invalid, 7790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 7256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:50,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 7110 Invalid, 7790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [534 Valid, 7256 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-11-09 05:52:50,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40864 states. [2024-11-09 05:52:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40864 to 30644. [2024-11-09 05:52:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30644 states, 30590 states have (on average 2.1028113762667537) internal successors, (64325), 30643 states have internal predecessors, (64325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:51,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30644 states to 30644 states and 64325 transitions. [2024-11-09 05:52:51,825 INFO L78 Accepts]: Start accepts. Automaton has 30644 states and 64325 transitions. Word has length 97 [2024-11-09 05:52:51,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:51,826 INFO L471 AbstractCegarLoop]: Abstraction has 30644 states and 64325 transitions. [2024-11-09 05:52:51,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:52:51,826 INFO L276 IsEmpty]: Start isEmpty. Operand 30644 states and 64325 transitions. [2024-11-09 05:52:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:52:51,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:51,835 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:51,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-09 05:52:51,835 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:52:51,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:51,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1084259430, now seen corresponding path program 13 times [2024-11-09 05:52:51,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:51,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616329596] [2024-11-09 05:52:51,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:51,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:53,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:53,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616329596] [2024-11-09 05:52:53,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616329596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:53,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:53,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:52:53,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130923190] [2024-11-09 05:52:53,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:53,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:52:53,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:53,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:52:53,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:52:53,885 INFO L87 Difference]: Start difference. First operand 30644 states and 64325 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:07,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:53:07,712 INFO L93 Difference]: Finished difference Result 42943 states and 89507 transitions. [2024-11-09 05:53:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-09 05:53:07,712 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:53:07,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:53:07,815 INFO L225 Difference]: With dead ends: 42943 [2024-11-09 05:53:07,815 INFO L226 Difference]: Without dead ends: 42806 [2024-11-09 05:53:07,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1951 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=1265, Invalid=5875, Unknown=0, NotChecked=0, Total=7140 [2024-11-09 05:53:07,824 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 2095 mSDsluCounter, 6220 mSDsCounter, 0 mSdLazyCounter, 6038 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 6744 SdHoareTripleChecker+Invalid, 6368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 6038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:53:07,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 6744 Invalid, 6368 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [330 Valid, 6038 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-09 05:53:07,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42806 states. [2024-11-09 05:53:09,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42806 to 30644. [2024-11-09 05:53:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30644 states, 30590 states have (on average 2.1028113762667537) internal successors, (64325), 30643 states have internal predecessors, (64325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30644 states to 30644 states and 64325 transitions. [2024-11-09 05:53:09,244 INFO L78 Accepts]: Start accepts. Automaton has 30644 states and 64325 transitions. Word has length 97 [2024-11-09 05:53:09,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:53:09,245 INFO L471 AbstractCegarLoop]: Abstraction has 30644 states and 64325 transitions. [2024-11-09 05:53:09,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 30644 states and 64325 transitions. [2024-11-09 05:53:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:53:09,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:53:09,254 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:53:09,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-09 05:53:09,254 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:53:09,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:53:09,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1325500616, now seen corresponding path program 14 times [2024-11-09 05:53:09,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:53:09,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876964782] [2024-11-09 05:53:09,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:53:09,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:53:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:53:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:53:13,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:53:13,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876964782] [2024-11-09 05:53:13,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876964782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:53:13,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:53:13,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-11-09 05:53:13,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675365284] [2024-11-09 05:53:13,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:53:13,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:53:13,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:53:13,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:53:13,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=958, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:53:13,283 INFO L87 Difference]: Start difference. First operand 30644 states and 64325 transitions. Second operand has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:34,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:53:34,631 INFO L93 Difference]: Finished difference Result 43209 states and 89989 transitions. [2024-11-09 05:53:34,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-11-09 05:53:34,631 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 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 97 [2024-11-09 05:53:34,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:53:34,767 INFO L225 Difference]: With dead ends: 43209 [2024-11-09 05:53:34,767 INFO L226 Difference]: Without dead ends: 43077 [2024-11-09 05:53:34,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3101 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=1673, Invalid=9247, Unknown=0, NotChecked=0, Total=10920 [2024-11-09 05:53:34,776 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 2434 mSDsluCounter, 6349 mSDsCounter, 0 mSdLazyCounter, 6875 mSolverCounterSat, 788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2434 SdHoareTripleChecker+Valid, 6865 SdHoareTripleChecker+Invalid, 7663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 788 IncrementalHoareTripleChecker+Valid, 6875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:53:34,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2434 Valid, 6865 Invalid, 7663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [788 Valid, 6875 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-09 05:53:34,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43077 states. [2024-11-09 05:53:36,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43077 to 30660. [2024-11-09 05:53:36,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30660 states, 30606 states have (on average 2.1027576292230283) internal successors, (64357), 30659 states have internal predecessors, (64357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30660 states to 30660 states and 64357 transitions. [2024-11-09 05:53:36,157 INFO L78 Accepts]: Start accepts. Automaton has 30660 states and 64357 transitions. Word has length 97 [2024-11-09 05:53:36,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:53:36,157 INFO L471 AbstractCegarLoop]: Abstraction has 30660 states and 64357 transitions. [2024-11-09 05:53:36,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:53:36,158 INFO L276 IsEmpty]: Start isEmpty. Operand 30660 states and 64357 transitions. [2024-11-09 05:53:36,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:53:36,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:53:36,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:53:36,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-09 05:53:36,166 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:53:36,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:53:36,166 INFO L85 PathProgramCache]: Analyzing trace with hash -644432110, now seen corresponding path program 15 times [2024-11-09 05:53:36,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:53:36,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495550106] [2024-11-09 05:53:36,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:53:36,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:53:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:53:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:53:39,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:53:39,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495550106] [2024-11-09 05:53:39,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495550106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:53:39,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:53:39,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-11-09 05:53:39,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798633515] [2024-11-09 05:53:39,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:53:39,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:53:39,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:53:39,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:53:39,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:53:39,608 INFO L87 Difference]: Start difference. First operand 30660 states and 64357 transitions. Second operand has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:05,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:54:05,717 INFO L93 Difference]: Finished difference Result 43378 states and 90328 transitions. [2024-11-09 05:54:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-09 05:54:05,717 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 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 97 [2024-11-09 05:54:05,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:54:05,847 INFO L225 Difference]: With dead ends: 43378 [2024-11-09 05:54:05,847 INFO L226 Difference]: Without dead ends: 43241 [2024-11-09 05:54:05,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5059 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=2542, Invalid=13714, Unknown=0, NotChecked=0, Total=16256 [2024-11-09 05:54:05,859 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 2605 mSDsluCounter, 7424 mSDsCounter, 0 mSdLazyCounter, 9303 mSolverCounterSat, 788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2605 SdHoareTripleChecker+Valid, 7940 SdHoareTripleChecker+Invalid, 10091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 788 IncrementalHoareTripleChecker+Valid, 9303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:54:05,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2605 Valid, 7940 Invalid, 10091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [788 Valid, 9303 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2024-11-09 05:54:05,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43241 states. [2024-11-09 05:54:07,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43241 to 30649. [2024-11-09 05:54:07,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30649 states, 30595 states have (on average 2.102794574276843) internal successors, (64335), 30648 states have internal predecessors, (64335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30649 states to 30649 states and 64335 transitions. [2024-11-09 05:54:07,321 INFO L78 Accepts]: Start accepts. Automaton has 30649 states and 64335 transitions. Word has length 97 [2024-11-09 05:54:07,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:54:07,321 INFO L471 AbstractCegarLoop]: Abstraction has 30649 states and 64335 transitions. [2024-11-09 05:54:07,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 30649 states and 64335 transitions. [2024-11-09 05:54:07,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:54:07,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:07,330 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:54:07,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-09 05:54:07,331 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:54:07,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:07,331 INFO L85 PathProgramCache]: Analyzing trace with hash -305082248, now seen corresponding path program 16 times [2024-11-09 05:54:07,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:54:07,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068801112] [2024-11-09 05:54:07,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:07,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:54:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:09,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:09,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:54:09,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068801112] [2024-11-09 05:54:09,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068801112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:09,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:54:09,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:54:09,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302174450] [2024-11-09 05:54:09,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:09,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:54:09,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:54:09,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:54:09,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:54:09,074 INFO L87 Difference]: Start difference. First operand 30649 states and 64335 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:27,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:54:27,021 INFO L93 Difference]: Finished difference Result 41847 states and 87243 transitions. [2024-11-09 05:54:27,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-11-09 05:54:27,022 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:54:27,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:54:27,124 INFO L225 Difference]: With dead ends: 41847 [2024-11-09 05:54:27,124 INFO L226 Difference]: Without dead ends: 41710 [2024-11-09 05:54:27,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3462 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=2063, Invalid=9279, Unknown=0, NotChecked=0, Total=11342 [2024-11-09 05:54:27,136 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 2442 mSDsluCounter, 6864 mSDsCounter, 0 mSdLazyCounter, 6281 mSolverCounterSat, 553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2442 SdHoareTripleChecker+Valid, 7382 SdHoareTripleChecker+Invalid, 6834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 553 IncrementalHoareTripleChecker+Valid, 6281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:54:27,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2442 Valid, 7382 Invalid, 6834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [553 Valid, 6281 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-09 05:54:27,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41710 states. [2024-11-09 05:54:28,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41710 to 30638. [2024-11-09 05:54:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30638 states, 30584 states have (on average 2.1028315459063562) internal successors, (64313), 30637 states have internal predecessors, (64313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:28,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30638 states to 30638 states and 64313 transitions. [2024-11-09 05:54:28,742 INFO L78 Accepts]: Start accepts. Automaton has 30638 states and 64313 transitions. Word has length 97 [2024-11-09 05:54:28,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:54:28,742 INFO L471 AbstractCegarLoop]: Abstraction has 30638 states and 64313 transitions. [2024-11-09 05:54:28,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:28,743 INFO L276 IsEmpty]: Start isEmpty. Operand 30638 states and 64313 transitions. [2024-11-09 05:54:28,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:54:28,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:28,753 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:54:28,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-09 05:54:28,753 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:54:28,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:28,754 INFO L85 PathProgramCache]: Analyzing trace with hash 436377834, now seen corresponding path program 17 times [2024-11-09 05:54:28,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:54:28,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160546340] [2024-11-09 05:54:28,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:28,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:54:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:30,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:54:30,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160546340] [2024-11-09 05:54:30,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160546340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:30,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:54:30,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:54:30,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972768560] [2024-11-09 05:54:30,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:30,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:54:30,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:54:30,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:54:30,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:54:30,842 INFO L87 Difference]: Start difference. First operand 30638 states and 64313 transitions. Second operand has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:44,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:54:44,162 INFO L93 Difference]: Finished difference Result 43549 states and 90735 transitions. [2024-11-09 05:54:44,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-09 05:54:44,163 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 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 97 [2024-11-09 05:54:44,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:54:44,280 INFO L225 Difference]: With dead ends: 43549 [2024-11-09 05:54:44,280 INFO L226 Difference]: Without dead ends: 43412 [2024-11-09 05:54:44,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1959 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=1201, Invalid=5939, Unknown=0, NotChecked=0, Total=7140 [2024-11-09 05:54:44,294 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 2165 mSDsluCounter, 5937 mSDsCounter, 0 mSdLazyCounter, 5568 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2165 SdHoareTripleChecker+Valid, 6461 SdHoareTripleChecker+Invalid, 5947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 5568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:54:44,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2165 Valid, 6461 Invalid, 5947 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [379 Valid, 5568 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-09 05:54:44,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43412 states. [2024-11-09 05:54:45,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43412 to 30638. [2024-11-09 05:54:45,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30638 states, 30584 states have (on average 2.1028315459063562) internal successors, (64313), 30637 states have internal predecessors, (64313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30638 states to 30638 states and 64313 transitions. [2024-11-09 05:54:45,957 INFO L78 Accepts]: Start accepts. Automaton has 30638 states and 64313 transitions. Word has length 97 [2024-11-09 05:54:45,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:54:45,958 INFO L471 AbstractCegarLoop]: Abstraction has 30638 states and 64313 transitions. [2024-11-09 05:54:45,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.88) internal successors, (97), 26 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:45,958 INFO L276 IsEmpty]: Start isEmpty. Operand 30638 states and 64313 transitions. [2024-11-09 05:54:45,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:54:45,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:45,965 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:54:45,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-09 05:54:45,966 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:54:45,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:45,966 INFO L85 PathProgramCache]: Analyzing trace with hash -573124752, now seen corresponding path program 18 times [2024-11-09 05:54:45,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:54:45,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064698840] [2024-11-09 05:54:45,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:45,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:54:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:50,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:54:50,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064698840] [2024-11-09 05:54:50,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064698840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:50,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:54:50,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-11-09 05:54:50,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367497290] [2024-11-09 05:54:50,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:50,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:54:50,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:54:50,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:54:50,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:54:50,194 INFO L87 Difference]: Start difference. First operand 30638 states and 64313 transitions. Second operand has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:55:12,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:55:12,359 INFO L93 Difference]: Finished difference Result 40775 states and 84943 transitions. [2024-11-09 05:55:12,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-09 05:55:12,360 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 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 97 [2024-11-09 05:55:12,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:55:12,470 INFO L225 Difference]: With dead ends: 40775 [2024-11-09 05:55:12,470 INFO L226 Difference]: Without dead ends: 40552 [2024-11-09 05:55:12,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2405 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=1456, Invalid=7474, Unknown=0, NotChecked=0, Total=8930 [2024-11-09 05:55:12,479 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 1944 mSDsluCounter, 7354 mSDsCounter, 0 mSdLazyCounter, 9457 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 7867 SdHoareTripleChecker+Invalid, 9874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 9457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:55:12,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1944 Valid, 7867 Invalid, 9874 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [417 Valid, 9457 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2024-11-09 05:55:12,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40552 states. [2024-11-09 05:55:14,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40552 to 30709. [2024-11-09 05:55:14,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30709 states, 30655 states have (on average 2.1028869678682107) internal successors, (64464), 30708 states have internal predecessors, (64464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:55:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30709 states to 30709 states and 64464 transitions. [2024-11-09 05:55:14,437 INFO L78 Accepts]: Start accepts. Automaton has 30709 states and 64464 transitions. Word has length 97 [2024-11-09 05:55:14,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:55:14,437 INFO L471 AbstractCegarLoop]: Abstraction has 30709 states and 64464 transitions. [2024-11-09 05:55:14,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:55:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 30709 states and 64464 transitions. [2024-11-09 05:55:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:55:14,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:55:14,445 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:55:14,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-09 05:55:14,445 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:55:14,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:55:14,446 INFO L85 PathProgramCache]: Analyzing trace with hash -243051640, now seen corresponding path program 19 times [2024-11-09 05:55:14,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:55:14,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237813021] [2024-11-09 05:55:14,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:55:14,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:55:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:55:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:55:18,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:55:18,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237813021] [2024-11-09 05:55:18,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237813021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:55:18,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:55:18,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-11-09 05:55:18,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150664238] [2024-11-09 05:55:18,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:55:18,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:55:18,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:55:18,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:55:18,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:55:18,938 INFO L87 Difference]: Start difference. First operand 30709 states and 64464 transitions. Second operand has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:55:39,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:55:39,897 INFO L93 Difference]: Finished difference Result 40848 states and 85173 transitions. [2024-11-09 05:55:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-09 05:55:39,897 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 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 97 [2024-11-09 05:55:39,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:55:39,999 INFO L225 Difference]: With dead ends: 40848 [2024-11-09 05:55:40,000 INFO L226 Difference]: Without dead ends: 40716 [2024-11-09 05:55:40,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2605 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=1541, Invalid=7965, Unknown=0, NotChecked=0, Total=9506 [2024-11-09 05:55:40,012 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 1901 mSDsluCounter, 7573 mSDsCounter, 0 mSdLazyCounter, 8921 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 8086 SdHoareTripleChecker+Invalid, 9425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 8921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:55:40,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 8086 Invalid, 9425 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [504 Valid, 8921 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2024-11-09 05:55:40,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40716 states. [2024-11-09 05:55:41,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40716 to 30712. [2024-11-09 05:55:41,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30712 states, 30658 states have (on average 2.1028768999934764) internal successors, (64470), 30711 states have internal predecessors, (64470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:55:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30712 states to 30712 states and 64470 transitions. [2024-11-09 05:55:41,412 INFO L78 Accepts]: Start accepts. Automaton has 30712 states and 64470 transitions. Word has length 97 [2024-11-09 05:55:41,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:55:41,412 INFO L471 AbstractCegarLoop]: Abstraction has 30712 states and 64470 transitions. [2024-11-09 05:55:41,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.03125) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:55:41,413 INFO L276 IsEmpty]: Start isEmpty. Operand 30712 states and 64470 transitions. [2024-11-09 05:55:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:55:41,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:55:41,421 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:55:41,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-09 05:55:41,421 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_nowait_fnErr4ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_nowait_fnErr5ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-09 05:55:41,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:55:41,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1357811950, now seen corresponding path program 20 times [2024-11-09 05:55:41,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:55:41,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176107051] [2024-11-09 05:55:41,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:55:41,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:55:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat