./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/ring_1w1r-2.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_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/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_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/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_55c464f2-1d3a-49a6-b9bf-3355322f9576/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 b7e9feb6929ab81158cc9d6731414a71af210f92cb571da2954e02689fee6d2b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:00:04,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:00:04,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 05:00:04,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:00:04,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:00:04,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:00:04,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:00:04,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:00:04,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:00:04,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:00:04,434 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:00:04,434 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:00:04,435 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:00:04,435 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:00:04,435 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:00:04,436 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:00:04,436 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:00:04,437 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:00:04,437 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:00:04,437 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:00:04,438 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:00:04,439 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:00:04,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:00:04,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:00:04,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:00:04,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:00:04,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:00:04,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:00:04,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:00:04,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:00:04,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:00:04,446 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 05:00:04,450 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:00:04,451 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:00:04,451 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:00:04,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:00:04,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:00:04,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:00:04,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:00:04,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:00:04,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:00:04,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:00:04,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:00:04,454 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:00:04,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:00:04,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:00:04,455 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:00:04,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:00:04,455 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_55c464f2-1d3a-49a6-b9bf-3355322f9576/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7e9feb6929ab81158cc9d6731414a71af210f92cb571da2954e02689fee6d2b [2024-11-09 05:00:04,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:00:04,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:00:04,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:00:04,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:00:04,772 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:00:04,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i Unable to find full path for "g++" [2024-11-09 05:00:06,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:00:07,117 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:00:07,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i [2024-11-09 05:00:07,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje/data/53628f661/4fb058dde932433eabeda135246ca137/FLAG5523a4cf5 [2024-11-09 05:00:07,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje/data/53628f661/4fb058dde932433eabeda135246ca137 [2024-11-09 05:00:07,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:00:07,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:00:07,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:00:07,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:00:07,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:00:07,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:00:07" (1/1) ... [2024-11-09 05:00:07,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fd3abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:07, skipping insertion in model container [2024-11-09 05:00:07,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:00:07" (1/1) ... [2024-11-09 05:00:07,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:00:07,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:00:07,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:00:08,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:00:08,073 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:00:08,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08 WrapperNode [2024-11-09 05:00:08,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:00:08,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:00:08,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:00:08,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:00:08,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,135 INFO L138 Inliner]: procedures = 223, calls = 39, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 219 [2024-11-09 05:00:08,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:00:08,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:00:08,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:00:08,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:00:08,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:00:08,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:00:08,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:00:08,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:00:08,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (1/1) ... [2024-11-09 05:00:08,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:00:08,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:00:08,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:00:08,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55c464f2-1d3a-49a6-b9bf-3355322f9576/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:00:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2024-11-09 05:00:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2024-11-09 05:00:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:00:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:00:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:00:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:00:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:00:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:00:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:00:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:00:08,285 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 05:00:08,420 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:00:08,422 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:00:08,986 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:00:08,986 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:00:09,003 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:00:09,003 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:00:09,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:00:09 BoogieIcfgContainer [2024-11-09 05:00:09,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:00:09,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:00:09,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:00:09,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:00:09,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:00:07" (1/3) ... [2024-11-09 05:00:09,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a57d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:00:09, skipping insertion in model container [2024-11-09 05:00:09,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:08" (2/3) ... [2024-11-09 05:00:09,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a57d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:00:09, skipping insertion in model container [2024-11-09 05:00:09,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:00:09" (3/3) ... [2024-11-09 05:00:09,022 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_1w1r-2.i [2024-11-09 05:00:09,041 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:00:09,041 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-09 05:00:09,042 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:00:09,206 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 05:00:09,261 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 258 places, 267 transitions, 541 flow [2024-11-09 05:00:09,657 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9893 states, 9829 states have (on average 2.1083528334520296) internal successors, (20723), 9892 states have internal predecessors, (20723), 0 states have call successors, (0), 0 states 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 05:00:09,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:00:09,700 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;@2aa9f9fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:00:09,700 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-09 05:00:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 9893 states, 9829 states have (on average 2.1083528334520296) internal successors, (20723), 9892 states have internal predecessors, (20723), 0 states have call successors, (0), 0 states 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 05:00:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 05:00:09,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:09,737 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 05:00:09,738 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:09,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:09,745 INFO L85 PathProgramCache]: Analyzing trace with hash 359215428, now seen corresponding path program 1 times [2024-11-09 05:00:09,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:09,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998952889] [2024-11-09 05:00:09,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:09,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:10,671 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 05:00:10,673 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:10,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998952889] [2024-11-09 05:00:10,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998952889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:10,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:10,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:00:10,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144233072] [2024-11-09 05:00:10,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:10,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:00:10,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:10,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:00:10,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:10,736 INFO L87 Difference]: Start difference. First operand has 9893 states, 9829 states have (on average 2.1083528334520296) internal successors, (20723), 9892 states have internal predecessors, (20723), 0 states have call successors, (0), 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 05:00:11,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:11,383 INFO L93 Difference]: Finished difference Result 19472 states and 40854 transitions. [2024-11-09 05:00:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:00:11,386 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 05:00:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:11,572 INFO L225 Difference]: With dead ends: 19472 [2024-11-09 05:00:11,572 INFO L226 Difference]: Without dead ends: 9620 [2024-11-09 05:00:11,601 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 05:00:11,605 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 15 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:11,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 527 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:00:11,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9620 states. [2024-11-09 05:00:11,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9620 to 9620. [2024-11-09 05:00:12,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9620 states, 9539 states have (on average 2.0527308942237132) internal successors, (19581), 9619 states have internal predecessors, (19581), 0 states have call successors, (0), 0 states 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 05:00:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9620 states to 9620 states and 19581 transitions. [2024-11-09 05:00:12,096 INFO L78 Accepts]: Start accepts. Automaton has 9620 states and 19581 transitions. Word has length 27 [2024-11-09 05:00:12,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:12,097 INFO L471 AbstractCegarLoop]: Abstraction has 9620 states and 19581 transitions. [2024-11-09 05:00:12,098 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 05:00:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 9620 states and 19581 transitions. [2024-11-09 05:00:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 05:00:12,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:12,100 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 05:00:12,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:00:12,101 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:12,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:12,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1964221860, now seen corresponding path program 1 times [2024-11-09 05:00:12,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:12,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830655422] [2024-11-09 05:00:12,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:12,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:12,590 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 05:00:12,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:12,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830655422] [2024-11-09 05:00:12,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830655422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:12,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:12,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:00:12,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965707441] [2024-11-09 05:00:12,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:12,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:00:12,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:12,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:00:12,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:12,595 INFO L87 Difference]: Start difference. First operand 9620 states and 19581 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 05:00:12,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:12,964 INFO L93 Difference]: Finished difference Result 9620 states and 19581 transitions. [2024-11-09 05:00:12,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:00:12,964 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 05:00:12,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:13,025 INFO L225 Difference]: With dead ends: 9620 [2024-11-09 05:00:13,026 INFO L226 Difference]: Without dead ends: 9619 [2024-11-09 05:00:13,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:13,069 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 2 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:13,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 533 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:00:13,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9619 states. [2024-11-09 05:00:13,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9619 to 9619. [2024-11-09 05:00:13,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9619 states, 9539 states have (on average 2.052626061432016) internal successors, (19580), 9618 states have internal predecessors, (19580), 0 states have call successors, (0), 0 states 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 05:00:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9619 states to 9619 states and 19580 transitions. [2024-11-09 05:00:13,401 INFO L78 Accepts]: Start accepts. Automaton has 9619 states and 19580 transitions. Word has length 34 [2024-11-09 05:00:13,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:13,402 INFO L471 AbstractCegarLoop]: Abstraction has 9619 states and 19580 transitions. [2024-11-09 05:00:13,402 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 05:00:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 9619 states and 19580 transitions. [2024-11-09 05:00:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 05:00:13,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:13,407 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 05:00:13,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:00:13,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reader_fnErr6ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:13,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:13,408 INFO L85 PathProgramCache]: Analyzing trace with hash 813204255, now seen corresponding path program 1 times [2024-11-09 05:00:13,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:13,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133714380] [2024-11-09 05:00:13,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:13,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:13,494 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 05:00:13,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:13,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133714380] [2024-11-09 05:00:13,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133714380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:13,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:13,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:00:13,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368334188] [2024-11-09 05:00:13,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:13,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:00:13,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:13,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:00:13,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:00:13,498 INFO L87 Difference]: Start difference. First operand 9619 states and 19580 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 05:00:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:13,742 INFO L93 Difference]: Finished difference Result 18722 states and 38158 transitions. [2024-11-09 05:00:13,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:00:13,742 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 05:00:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:13,831 INFO L225 Difference]: With dead ends: 18722 [2024-11-09 05:00:13,831 INFO L226 Difference]: Without dead ends: 15997 [2024-11-09 05:00:13,845 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 05:00:13,846 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 162 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 564 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 05:00:13,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 564 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:00:13,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15997 states. [2024-11-09 05:00:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15997 to 11673. [2024-11-09 05:00:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11673 states, 11593 states have (on average 2.0682308289485034) internal successors, (23977), 11672 states have internal predecessors, (23977), 0 states have call successors, (0), 0 states 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 05:00:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11673 states to 11673 states and 23977 transitions. [2024-11-09 05:00:14,291 INFO L78 Accepts]: Start accepts. Automaton has 11673 states and 23977 transitions. Word has length 59 [2024-11-09 05:00:14,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:14,292 INFO L471 AbstractCegarLoop]: Abstraction has 11673 states and 23977 transitions. [2024-11-09 05:00:14,292 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 05:00:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 11673 states and 23977 transitions. [2024-11-09 05:00:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 05:00:14,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:14,295 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 05:00:14,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:00:14,296 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:14,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:14,296 INFO L85 PathProgramCache]: Analyzing trace with hash -198734880, now seen corresponding path program 1 times [2024-11-09 05:00:14,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:14,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577982314] [2024-11-09 05:00:14,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:14,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:14,849 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 05:00:14,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:14,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577982314] [2024-11-09 05:00:14,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577982314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:14,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:14,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:00:14,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731518297] [2024-11-09 05:00:14,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:14,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:00:14,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:14,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:00:14,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:14,854 INFO L87 Difference]: Start difference. First operand 11673 states and 23977 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 05:00:15,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:15,738 INFO L93 Difference]: Finished difference Result 15117 states and 31093 transitions. [2024-11-09 05:00:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:00:15,739 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 05:00:15,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:15,825 INFO L225 Difference]: With dead ends: 15117 [2024-11-09 05:00:15,825 INFO L226 Difference]: Without dead ends: 14959 [2024-11-09 05:00:15,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:15,835 INFO L432 NwaCegarLoop]: 405 mSDtfsCounter, 260 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:15,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 871 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 05:00:15,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14959 states. [2024-11-09 05:00:16,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14959 to 12509. [2024-11-09 05:00:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12509 states, 12429 states have (on average 2.0649287955587736) internal successors, (25665), 12508 states have internal predecessors, (25665), 0 states have call successors, (0), 0 states 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 05:00:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12509 states to 12509 states and 25665 transitions. [2024-11-09 05:00:16,235 INFO L78 Accepts]: Start accepts. Automaton has 12509 states and 25665 transitions. Word has length 59 [2024-11-09 05:00:16,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:16,237 INFO L471 AbstractCegarLoop]: Abstraction has 12509 states and 25665 transitions. [2024-11-09 05:00:16,237 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 05:00:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 12509 states and 25665 transitions. [2024-11-09 05:00:16,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 05:00:16,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:16,242 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 05:00:16,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:00:16,243 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:16,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:16,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1068637424, now seen corresponding path program 1 times [2024-11-09 05:00:16,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:16,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185735744] [2024-11-09 05:00:16,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:16,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:16,766 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 05:00:16,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:16,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185735744] [2024-11-09 05:00:16,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185735744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:16,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:16,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:00:16,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535216115] [2024-11-09 05:00:16,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:16,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:00:16,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:16,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:00:16,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:16,772 INFO L87 Difference]: Start difference. First operand 12509 states and 25665 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 05:00:17,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:17,982 INFO L93 Difference]: Finished difference Result 17722 states and 36308 transitions. [2024-11-09 05:00:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:00:17,983 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 05:00:17,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:18,071 INFO L225 Difference]: With dead ends: 17722 [2024-11-09 05:00:18,071 INFO L226 Difference]: Without dead ends: 17239 [2024-11-09 05:00:18,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:18,083 INFO L432 NwaCegarLoop]: 530 mSDtfsCounter, 426 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:18,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1049 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 05:00:18,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17239 states. [2024-11-09 05:00:18,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17239 to 13766. [2024-11-09 05:00:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13766 states, 13692 states have (on average 2.0591586327782645) internal successors, (28194), 13765 states have internal predecessors, (28194), 0 states have call successors, (0), 0 states 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 05:00:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13766 states to 13766 states and 28194 transitions. [2024-11-09 05:00:18,536 INFO L78 Accepts]: Start accepts. Automaton has 13766 states and 28194 transitions. Word has length 62 [2024-11-09 05:00:18,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:18,537 INFO L471 AbstractCegarLoop]: Abstraction has 13766 states and 28194 transitions. [2024-11-09 05:00:18,537 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 05:00:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 13766 states and 28194 transitions. [2024-11-09 05:00:18,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 05:00:18,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:18,540 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 05:00:18,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:00:18,540 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reader_fnErr1ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:18,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:18,541 INFO L85 PathProgramCache]: Analyzing trace with hash -734938168, now seen corresponding path program 1 times [2024-11-09 05:00:18,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:18,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110722633] [2024-11-09 05:00:18,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:18,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:19,056 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 05:00:19,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:19,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110722633] [2024-11-09 05:00:19,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110722633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:19,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:19,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:00:19,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068034256] [2024-11-09 05:00:19,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:19,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:00:19,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:19,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:00:19,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:19,059 INFO L87 Difference]: Start difference. First operand 13766 states and 28194 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 05:00:19,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:19,885 INFO L93 Difference]: Finished difference Result 15703 states and 32182 transitions. [2024-11-09 05:00:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:00:19,888 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 05:00:19,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:19,958 INFO L225 Difference]: With dead ends: 15703 [2024-11-09 05:00:19,958 INFO L226 Difference]: Without dead ends: 15402 [2024-11-09 05:00:19,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:19,968 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 248 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:19,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 885 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 05:00:19,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15402 states. [2024-11-09 05:00:20,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15402 to 14179. [2024-11-09 05:00:20,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14179 states, 14111 states have (on average 2.0559138260931187) internal successors, (29011), 14178 states have internal predecessors, (29011), 0 states have call successors, (0), 0 states 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 05:00:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14179 states to 14179 states and 29011 transitions. [2024-11-09 05:00:20,364 INFO L78 Accepts]: Start accepts. Automaton has 14179 states and 29011 transitions. Word has length 65 [2024-11-09 05:00:20,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:20,365 INFO L471 AbstractCegarLoop]: Abstraction has 14179 states and 29011 transitions. [2024-11-09 05:00:20,365 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 05:00:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 14179 states and 29011 transitions. [2024-11-09 05:00:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 05:00:20,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:20,368 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 05:00:20,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:00:20,369 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:20,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:20,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1316026459, now seen corresponding path program 1 times [2024-11-09 05:00:20,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:20,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828327861] [2024-11-09 05:00:20,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:20,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:20,847 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 05:00:20,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:20,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828327861] [2024-11-09 05:00:20,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828327861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:20,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:20,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:00:20,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741186877] [2024-11-09 05:00:20,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:20,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:00:20,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:20,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:00:20,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:20,851 INFO L87 Difference]: Start difference. First operand 14179 states and 29011 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 05:00:22,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:22,006 INFO L93 Difference]: Finished difference Result 18248 states and 37356 transitions. [2024-11-09 05:00:22,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:00:22,006 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 05:00:22,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:22,073 INFO L225 Difference]: With dead ends: 18248 [2024-11-09 05:00:22,073 INFO L226 Difference]: Without dead ends: 18075 [2024-11-09 05:00:22,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:22,079 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 400 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:22,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1139 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 05:00:22,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18075 states. [2024-11-09 05:00:22,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18075 to 14576. [2024-11-09 05:00:22,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14576 states, 14512 states have (on average 2.054162072767365) internal successors, (29810), 14575 states have internal predecessors, (29810), 0 states have call successors, (0), 0 states 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 05:00:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14576 states to 14576 states and 29810 transitions. [2024-11-09 05:00:22,457 INFO L78 Accepts]: Start accepts. Automaton has 14576 states and 29810 transitions. Word has length 68 [2024-11-09 05:00:22,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:22,458 INFO L471 AbstractCegarLoop]: Abstraction has 14576 states and 29810 transitions. [2024-11-09 05:00:22,458 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 05:00:22,458 INFO L276 IsEmpty]: Start isEmpty. Operand 14576 states and 29810 transitions. [2024-11-09 05:00:22,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 05:00:22,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:22,463 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] [2024-11-09 05:00:22,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:00:22,463 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reader_fnErr2ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:22,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:22,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1156178235, now seen corresponding path program 1 times [2024-11-09 05:00:22,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:22,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302722616] [2024-11-09 05:00:22,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:22,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:23,009 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 05:00:23,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:23,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302722616] [2024-11-09 05:00:23,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302722616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:23,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:23,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:00:23,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655166083] [2024-11-09 05:00:23,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:23,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:00:23,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:23,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:00:23,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:23,013 INFO L87 Difference]: Start difference. First operand 14576 states and 29810 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 05:00:23,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:23,914 INFO L93 Difference]: Finished difference Result 16452 states and 33618 transitions. [2024-11-09 05:00:23,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:00:23,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2024-11-09 05:00:23,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:23,983 INFO L225 Difference]: With dead ends: 16452 [2024-11-09 05:00:23,983 INFO L226 Difference]: Without dead ends: 16262 [2024-11-09 05:00:23,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:23,992 INFO L432 NwaCegarLoop]: 408 mSDtfsCounter, 261 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:23,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 835 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 05:00:24,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16262 states. [2024-11-09 05:00:24,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16262 to 15056. [2024-11-09 05:00:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15056 states, 15000 states have (on average 2.0524) internal successors, (30786), 15055 states have internal predecessors, (30786), 0 states have call successors, (0), 0 states 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 05:00:24,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15056 states to 15056 states and 30786 transitions. [2024-11-09 05:00:24,516 INFO L78 Accepts]: Start accepts. Automaton has 15056 states and 30786 transitions. Word has length 83 [2024-11-09 05:00:24,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:24,517 INFO L471 AbstractCegarLoop]: Abstraction has 15056 states and 30786 transitions. [2024-11-09 05:00:24,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states 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 05:00:24,518 INFO L276 IsEmpty]: Start isEmpty. Operand 15056 states and 30786 transitions. [2024-11-09 05:00:24,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 05:00:24,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:24,523 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 05:00:24,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:00:24,526 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:24,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:24,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1431809030, now seen corresponding path program 1 times [2024-11-09 05:00:24,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:24,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280298515] [2024-11-09 05:00:24,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:24,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:00:25,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:25,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280298515] [2024-11-09 05:00:25,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280298515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:25,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:25,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:00:25,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937353447] [2024-11-09 05:00:25,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:25,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:00:25,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:25,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:00:25,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:25,171 INFO L87 Difference]: Start difference. First operand 15056 states and 30786 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 05:00:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:26,223 INFO L93 Difference]: Finished difference Result 15962 states and 32596 transitions. [2024-11-09 05:00:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:00:26,224 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 05:00:26,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:26,294 INFO L225 Difference]: With dead ends: 15962 [2024-11-09 05:00:26,294 INFO L226 Difference]: Without dead ends: 15781 [2024-11-09 05:00:26,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:26,304 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 375 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:26,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1058 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 05:00:26,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15781 states. [2024-11-09 05:00:26,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15781 to 15614. [2024-11-09 05:00:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15614 states, 15558 states have (on average 2.0518061447486824) internal successors, (31922), 15613 states have internal predecessors, (31922), 0 states have call successors, (0), 0 states 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 05:00:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15614 states to 15614 states and 31922 transitions. [2024-11-09 05:00:26,781 INFO L78 Accepts]: Start accepts. Automaton has 15614 states and 31922 transitions. Word has length 84 [2024-11-09 05:00:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:26,782 INFO L471 AbstractCegarLoop]: Abstraction has 15614 states and 31922 transitions. [2024-11-09 05:00:26,782 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 05:00:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 15614 states and 31922 transitions. [2024-11-09 05:00:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 05:00:26,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:26,787 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] [2024-11-09 05:00:26,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:00:26,788 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reader_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:26,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:26,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1559054433, now seen corresponding path program 1 times [2024-11-09 05:00:26,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:26,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910144244] [2024-11-09 05:00:26,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:26,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:27,410 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 05:00:27,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:27,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910144244] [2024-11-09 05:00:27,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910144244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:27,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:27,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:00:27,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108694393] [2024-11-09 05:00:27,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:27,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:00:27,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:27,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:00:27,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:27,413 INFO L87 Difference]: Start difference. First operand 15614 states and 31922 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:00:28,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:28,278 INFO L93 Difference]: Finished difference Result 16092 states and 32888 transitions. [2024-11-09 05:00:28,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:00:28,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-09 05:00:28,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:28,317 INFO L225 Difference]: With dead ends: 16092 [2024-11-09 05:00:28,317 INFO L226 Difference]: Without dead ends: 15993 [2024-11-09 05:00:28,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:00:28,324 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 230 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:28,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 983 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 05:00:28,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15993 states. [2024-11-09 05:00:28,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15993 to 15853. [2024-11-09 05:00:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15853 states, 15801 states have (on average 2.0510094297829253) internal successors, (32408), 15852 states have internal predecessors, (32408), 0 states have call successors, (0), 0 states 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 05:00:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15853 states to 15853 states and 32408 transitions. [2024-11-09 05:00:28,721 INFO L78 Accepts]: Start accepts. Automaton has 15853 states and 32408 transitions. Word has length 89 [2024-11-09 05:00:28,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:28,721 INFO L471 AbstractCegarLoop]: Abstraction has 15853 states and 32408 transitions. [2024-11-09 05:00:28,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:00:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand 15853 states and 32408 transitions. [2024-11-09 05:00:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:00:28,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:28,726 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 05:00:28,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:00:28,727 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:28,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:28,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1522186637, now seen corresponding path program 1 times [2024-11-09 05:00:28,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:28,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887748715] [2024-11-09 05:00:28,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:28,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:31,281 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 05:00:31,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:31,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887748715] [2024-11-09 05:00:31,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887748715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:31,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:31,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:00:31,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674823519] [2024-11-09 05:00:31,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:31,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:00:31,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:31,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:00:31,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:00:31,284 INFO L87 Difference]: Start difference. First operand 15853 states and 32408 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 05:00:38,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:38,949 INFO L93 Difference]: Finished difference Result 29437 states and 60249 transitions. [2024-11-09 05:00:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 05:00:38,949 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 05:00:38,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:39,011 INFO L225 Difference]: With dead ends: 29437 [2024-11-09 05:00:39,011 INFO L226 Difference]: Without dead ends: 29366 [2024-11-09 05:00:39,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=659, Invalid=2097, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 05:00:39,022 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 2116 mSDsluCounter, 6258 mSDsCounter, 0 mSdLazyCounter, 4645 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 6711 SdHoareTripleChecker+Invalid, 4842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 4645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:39,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2116 Valid, 6711 Invalid, 4842 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [197 Valid, 4645 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-09 05:00:39,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29366 states. [2024-11-09 05:00:39,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29366 to 16343. [2024-11-09 05:00:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16343 states, 16291 states have (on average 2.051378061506353) internal successors, (33419), 16342 states have internal predecessors, (33419), 0 states have call successors, (0), 0 states 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 05:00:39,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16343 states to 16343 states and 33419 transitions. [2024-11-09 05:00:39,614 INFO L78 Accepts]: Start accepts. Automaton has 16343 states and 33419 transitions. Word has length 97 [2024-11-09 05:00:39,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:39,615 INFO L471 AbstractCegarLoop]: Abstraction has 16343 states and 33419 transitions. [2024-11-09 05:00:39,615 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 05:00:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 16343 states and 33419 transitions. [2024-11-09 05:00:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:00:39,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:39,622 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 05:00:39,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 05:00:39,622 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:39,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:39,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1649876661, now seen corresponding path program 1 times [2024-11-09 05:00:39,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:39,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571204417] [2024-11-09 05:00:39,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:39,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:42,730 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 05:00:42,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:42,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571204417] [2024-11-09 05:00:42,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571204417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:42,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:42,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:00:42,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775742772] [2024-11-09 05:00:42,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:42,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:00:42,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:42,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:00:42,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:00:42,734 INFO L87 Difference]: Start difference. First operand 16343 states and 33419 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 05:00:50,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:50,067 INFO L93 Difference]: Finished difference Result 26486 states and 54146 transitions. [2024-11-09 05:00:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 05:00:50,068 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 05:00:50,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:50,140 INFO L225 Difference]: With dead ends: 26486 [2024-11-09 05:00:50,141 INFO L226 Difference]: Without dead ends: 26346 [2024-11-09 05:00:50,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=536, Invalid=2014, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:00:50,153 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 2151 mSDsluCounter, 6334 mSDsCounter, 0 mSdLazyCounter, 5136 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 6813 SdHoareTripleChecker+Invalid, 5188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 5136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:50,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2151 Valid, 6813 Invalid, 5188 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 5136 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-09 05:00:50,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26346 states. [2024-11-09 05:00:50,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26346 to 16843. [2024-11-09 05:00:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16843 states, 16791 states have (on average 2.052051694360074) internal successors, (34456), 16842 states have internal predecessors, (34456), 0 states have call successors, (0), 0 states 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 05:00:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16843 states to 16843 states and 34456 transitions. [2024-11-09 05:00:50,589 INFO L78 Accepts]: Start accepts. Automaton has 16843 states and 34456 transitions. Word has length 97 [2024-11-09 05:00:50,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:50,589 INFO L471 AbstractCegarLoop]: Abstraction has 16843 states and 34456 transitions. [2024-11-09 05:00:50,589 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 05:00:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 16843 states and 34456 transitions. [2024-11-09 05:00:50,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:00:50,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:50,596 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 05:00:50,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 05:00:50,597 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:50,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:50,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1552498057, now seen corresponding path program 2 times [2024-11-09 05:00:50,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:50,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797183398] [2024-11-09 05:00:50,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:50,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:00:52,737 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 05:00:52,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:00:52,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797183398] [2024-11-09 05:00:52,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797183398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:00:52,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:00:52,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-09 05:00:52,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277129724] [2024-11-09 05:00:52,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:00:52,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:00:52,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:00:52,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:00:52,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2024-11-09 05:00:52,741 INFO L87 Difference]: Start difference. First operand 16843 states and 34456 transitions. Second operand has 23 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 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 05:00:58,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:00:58,070 INFO L93 Difference]: Finished difference Result 27015 states and 55426 transitions. [2024-11-09 05:00:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:00:58,070 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 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 05:00:58,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:00:58,145 INFO L225 Difference]: With dead ends: 27015 [2024-11-09 05:00:58,145 INFO L226 Difference]: Without dead ends: 26944 [2024-11-09 05:00:58,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=518, Invalid=1834, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 05:00:58,156 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 1444 mSDsluCounter, 5266 mSDsCounter, 0 mSdLazyCounter, 3718 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 5736 SdHoareTripleChecker+Invalid, 3890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 3718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:00:58,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 5736 Invalid, 3890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 3718 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 05:00:58,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26944 states. [2024-11-09 05:00:58,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26944 to 17084. [2024-11-09 05:00:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17084 states, 17032 states have (on average 2.052372005636449) internal successors, (34956), 17083 states have internal predecessors, (34956), 0 states have call successors, (0), 0 states 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 05:00:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17084 states to 17084 states and 34956 transitions. [2024-11-09 05:00:58,551 INFO L78 Accepts]: Start accepts. Automaton has 17084 states and 34956 transitions. Word has length 97 [2024-11-09 05:00:58,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:00:58,551 INFO L471 AbstractCegarLoop]: Abstraction has 17084 states and 34956 transitions. [2024-11-09 05:00:58,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 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 05:00:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 17084 states and 34956 transitions. [2024-11-09 05:00:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:00:58,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:00:58,556 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 05:00:58,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 05:00:58,557 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:00:58,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:00:58,557 INFO L85 PathProgramCache]: Analyzing trace with hash -94220473, now seen corresponding path program 2 times [2024-11-09 05:00:58,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:00:58,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074040360] [2024-11-09 05:00:58,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:00:58,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:00:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:00,977 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 05:01:00,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:00,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074040360] [2024-11-09 05:01:00,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074040360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:00,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:00,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:01:00,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588636559] [2024-11-09 05:01:00,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:00,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:01:00,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:00,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:01:00,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:01:00,980 INFO L87 Difference]: Start difference. First operand 17084 states and 34956 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 05:01:07,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:07,789 INFO L93 Difference]: Finished difference Result 29259 states and 59904 transitions. [2024-11-09 05:01:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 05:01:07,789 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 05:01:07,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:07,880 INFO L225 Difference]: With dead ends: 29259 [2024-11-09 05:01:07,880 INFO L226 Difference]: Without dead ends: 29114 [2024-11-09 05:01:07,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=536, Invalid=2014, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:01:07,896 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 2093 mSDsluCounter, 6805 mSDsCounter, 0 mSdLazyCounter, 5350 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2093 SdHoareTripleChecker+Valid, 7309 SdHoareTripleChecker+Invalid, 5401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 5350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:07,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2093 Valid, 7309 Invalid, 5401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 5350 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-09 05:01:07,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29114 states. [2024-11-09 05:01:08,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29114 to 17648. [2024-11-09 05:01:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17648 states, 17596 states have (on average 2.0562627869970447) internal successors, (36182), 17647 states have internal predecessors, (36182), 0 states have call successors, (0), 0 states 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 05:01:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17648 states to 17648 states and 36182 transitions. [2024-11-09 05:01:08,452 INFO L78 Accepts]: Start accepts. Automaton has 17648 states and 36182 transitions. Word has length 97 [2024-11-09 05:01:08,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:08,452 INFO L471 AbstractCegarLoop]: Abstraction has 17648 states and 36182 transitions. [2024-11-09 05:01:08,453 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 05:01:08,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17648 states and 36182 transitions. [2024-11-09 05:01:08,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:01:08,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:08,459 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 05:01:08,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 05:01:08,459 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:01:08,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:08,460 INFO L85 PathProgramCache]: Analyzing trace with hash -297025039, now seen corresponding path program 3 times [2024-11-09 05:01:08,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:08,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982253397] [2024-11-09 05:01:08,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:08,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:10,417 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 05:01:10,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:10,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982253397] [2024-11-09 05:01:10,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982253397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:10,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:10,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:01:10,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944594103] [2024-11-09 05:01:10,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:10,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:01:10,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:10,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:01:10,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:01:10,419 INFO L87 Difference]: Start difference. First operand 17648 states and 36182 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 05:01:18,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:18,158 INFO L93 Difference]: Finished difference Result 32600 states and 66859 transitions. [2024-11-09 05:01:18,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-09 05:01:18,158 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 05:01:18,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:18,228 INFO L225 Difference]: With dead ends: 32600 [2024-11-09 05:01:18,228 INFO L226 Difference]: Without dead ends: 32529 [2024-11-09 05:01:18,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=687, Invalid=2175, Unknown=0, NotChecked=0, Total=2862 [2024-11-09 05:01:18,240 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 2331 mSDsluCounter, 6412 mSDsCounter, 0 mSdLazyCounter, 5204 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 6900 SdHoareTripleChecker+Invalid, 5405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 5204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:18,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2331 Valid, 6900 Invalid, 5405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 5204 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-09 05:01:18,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32529 states. [2024-11-09 05:01:18,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32529 to 18030. [2024-11-09 05:01:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18030 states, 17978 states have (on average 2.056958504839248) internal successors, (36980), 18029 states have internal predecessors, (36980), 0 states have call successors, (0), 0 states 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 05:01:18,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18030 states to 18030 states and 36980 transitions. [2024-11-09 05:01:18,721 INFO L78 Accepts]: Start accepts. Automaton has 18030 states and 36980 transitions. Word has length 97 [2024-11-09 05:01:18,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:18,721 INFO L471 AbstractCegarLoop]: Abstraction has 18030 states and 36980 transitions. [2024-11-09 05:01:18,722 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 05:01:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 18030 states and 36980 transitions. [2024-11-09 05:01:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:01:18,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:18,729 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 05:01:18,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 05:01:18,730 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:01:18,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:18,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1174393739, now seen corresponding path program 3 times [2024-11-09 05:01:18,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:18,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775510263] [2024-11-09 05:01:18,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:18,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:21,022 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 05:01:21,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:21,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775510263] [2024-11-09 05:01:21,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775510263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:21,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:21,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:01:21,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673298049] [2024-11-09 05:01:21,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:21,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:01:21,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:21,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:01:21,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:01:21,024 INFO L87 Difference]: Start difference. First operand 18030 states and 36980 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 05:01:27,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:27,516 INFO L93 Difference]: Finished difference Result 29359 states and 60153 transitions. [2024-11-09 05:01:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 05:01:27,516 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 05:01:27,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:27,574 INFO L225 Difference]: With dead ends: 29359 [2024-11-09 05:01:27,574 INFO L226 Difference]: Without dead ends: 29219 [2024-11-09 05:01:27,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=538, Invalid=2012, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:01:27,583 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 2027 mSDsluCounter, 6324 mSDsCounter, 0 mSdLazyCounter, 4623 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 6841 SdHoareTripleChecker+Invalid, 4670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 4623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:27,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 6841 Invalid, 4670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 4623 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-09 05:01:27,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29219 states. [2024-11-09 05:01:27,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29219 to 17660. [2024-11-09 05:01:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17660 states, 17608 states have (on average 2.0565651976374375) internal successors, (36212), 17659 states have internal predecessors, (36212), 0 states have call successors, (0), 0 states 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 05:01:27,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17660 states to 17660 states and 36212 transitions. [2024-11-09 05:01:27,998 INFO L78 Accepts]: Start accepts. Automaton has 17660 states and 36212 transitions. Word has length 97 [2024-11-09 05:01:27,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:27,999 INFO L471 AbstractCegarLoop]: Abstraction has 17660 states and 36212 transitions. [2024-11-09 05:01:27,999 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 05:01:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 17660 states and 36212 transitions. [2024-11-09 05:01:28,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:01:28,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:28,005 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 05:01:28,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 05:01:28,005 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:01:28,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:28,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1153550261, now seen corresponding path program 4 times [2024-11-09 05:01:28,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:28,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318003563] [2024-11-09 05:01:28,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:28,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:29,579 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 05:01:29,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:29,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318003563] [2024-11-09 05:01:29,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318003563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:29,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:29,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-09 05:01:29,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071522144] [2024-11-09 05:01:29,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:29,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:01:29,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:29,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:01:29,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2024-11-09 05:01:29,582 INFO L87 Difference]: Start difference. First operand 17660 states and 36212 transitions. Second operand has 23 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 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 05:01:35,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:35,358 INFO L93 Difference]: Finished difference Result 27494 states and 56432 transitions. [2024-11-09 05:01:35,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:01:35,359 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 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 05:01:35,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:35,423 INFO L225 Difference]: With dead ends: 27494 [2024-11-09 05:01:35,424 INFO L226 Difference]: Without dead ends: 27423 [2024-11-09 05:01:35,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=518, Invalid=1834, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 05:01:35,434 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 1418 mSDsluCounter, 5414 mSDsCounter, 0 mSdLazyCounter, 3896 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 5878 SdHoareTripleChecker+Invalid, 4042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 3896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:35,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1418 Valid, 5878 Invalid, 4042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 3896 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 05:01:35,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27423 states. [2024-11-09 05:01:35,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27423 to 17874. [2024-11-09 05:01:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17874 states, 17822 states have (on average 2.056222646167658) internal successors, (36646), 17873 states have internal predecessors, (36646), 0 states have call successors, (0), 0 states 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 05:01:35,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17874 states to 17874 states and 36646 transitions. [2024-11-09 05:01:35,925 INFO L78 Accepts]: Start accepts. Automaton has 17874 states and 36646 transitions. Word has length 97 [2024-11-09 05:01:35,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:35,926 INFO L471 AbstractCegarLoop]: Abstraction has 17874 states and 36646 transitions. [2024-11-09 05:01:35,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 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 05:01:35,926 INFO L276 IsEmpty]: Start isEmpty. Operand 17874 states and 36646 transitions. [2024-11-09 05:01:35,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:01:35,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:35,931 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 05:01:35,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 05:01:35,931 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:01:35,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:35,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1683287245, now seen corresponding path program 4 times [2024-11-09 05:01:35,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:35,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804523794] [2024-11-09 05:01:35,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:35,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:37,932 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 05:01:37,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:37,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804523794] [2024-11-09 05:01:37,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804523794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:37,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:37,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:01:37,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722424452] [2024-11-09 05:01:37,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:37,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:01:37,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:37,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:01:37,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:01:37,934 INFO L87 Difference]: Start difference. First operand 17874 states and 36646 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 05:01:44,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:44,487 INFO L93 Difference]: Finished difference Result 29739 states and 60927 transitions. [2024-11-09 05:01:44,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 05:01:44,488 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 05:01:44,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:44,558 INFO L225 Difference]: With dead ends: 29739 [2024-11-09 05:01:44,558 INFO L226 Difference]: Without dead ends: 29599 [2024-11-09 05:01:44,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=540, Invalid=2010, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:01:44,569 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 2264 mSDsluCounter, 5829 mSDsCounter, 0 mSdLazyCounter, 4389 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 6348 SdHoareTripleChecker+Invalid, 4442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 4389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:44,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2264 Valid, 6348 Invalid, 4442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 4389 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-09 05:01:44,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29599 states. [2024-11-09 05:01:44,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29599 to 18015. [2024-11-09 05:01:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18015 states, 17963 states have (on average 2.0560596782274674) internal successors, (36933), 18014 states have internal predecessors, (36933), 0 states have call successors, (0), 0 states 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 05:01:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18015 states to 18015 states and 36933 transitions. [2024-11-09 05:01:45,069 INFO L78 Accepts]: Start accepts. Automaton has 18015 states and 36933 transitions. Word has length 97 [2024-11-09 05:01:45,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:45,069 INFO L471 AbstractCegarLoop]: Abstraction has 18015 states and 36933 transitions. [2024-11-09 05:01:45,070 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 05:01:45,070 INFO L276 IsEmpty]: Start isEmpty. Operand 18015 states and 36933 transitions. [2024-11-09 05:01:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:01:45,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:45,074 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 05:01:45,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 05:01:45,074 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:01:45,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:45,075 INFO L85 PathProgramCache]: Analyzing trace with hash 548389389, now seen corresponding path program 5 times [2024-11-09 05:01:45,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:45,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390049536] [2024-11-09 05:01:45,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:45,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:46,838 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 05:01:46,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:46,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390049536] [2024-11-09 05:01:46,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390049536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:46,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:46,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-09 05:01:46,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814434577] [2024-11-09 05:01:46,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:46,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 05:01:46,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:46,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 05:01:46,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2024-11-09 05:01:46,840 INFO L87 Difference]: Start difference. First operand 18015 states and 36933 transitions. Second operand has 23 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 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 05:01:52,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:01:52,629 INFO L93 Difference]: Finished difference Result 27760 states and 56981 transitions. [2024-11-09 05:01:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:01:52,629 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 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 05:01:52,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:01:52,702 INFO L225 Difference]: With dead ends: 27760 [2024-11-09 05:01:52,702 INFO L226 Difference]: Without dead ends: 27689 [2024-11-09 05:01:52,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=518, Invalid=1834, Unknown=0, NotChecked=0, Total=2352 [2024-11-09 05:01:52,715 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 1439 mSDsluCounter, 4371 mSDsCounter, 0 mSdLazyCounter, 3253 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 4826 SdHoareTripleChecker+Invalid, 3423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 3253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:01:52,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 4826 Invalid, 3423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 3253 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-09 05:01:52,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27689 states. [2024-11-09 05:01:53,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27689 to 18261. [2024-11-09 05:01:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18261 states, 18209 states have (on average 2.056126091493218) internal successors, (37440), 18260 states have internal predecessors, (37440), 0 states have call successors, (0), 0 states 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 05:01:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18261 states to 18261 states and 37440 transitions. [2024-11-09 05:01:53,267 INFO L78 Accepts]: Start accepts. Automaton has 18261 states and 37440 transitions. Word has length 97 [2024-11-09 05:01:53,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:01:53,268 INFO L471 AbstractCegarLoop]: Abstraction has 18261 states and 37440 transitions. [2024-11-09 05:01:53,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.409090909090909) internal successors, (97), 23 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 05:01:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 18261 states and 37440 transitions. [2024-11-09 05:01:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:01:53,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:53,274 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 05:01:53,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 05:01:53,274 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:01:53,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:53,275 INFO L85 PathProgramCache]: Analyzing trace with hash 2006519179, now seen corresponding path program 5 times [2024-11-09 05:01:53,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:53,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536048371] [2024-11-09 05:01:53,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:53,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:01:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:01:55,389 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 05:01:55,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:01:55,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536048371] [2024-11-09 05:01:55,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536048371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:01:55,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:01:55,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:01:55,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461201427] [2024-11-09 05:01:55,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:01:55,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:01:55,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:01:55,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:01:55,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:01:55,392 INFO L87 Difference]: Start difference. First operand 18261 states and 37440 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 05:02:02,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:02,802 INFO L93 Difference]: Finished difference Result 30105 states and 61676 transitions. [2024-11-09 05:02:02,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 05:02:02,803 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 05:02:02,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:02,916 INFO L225 Difference]: With dead ends: 30105 [2024-11-09 05:02:02,916 INFO L226 Difference]: Without dead ends: 29965 [2024-11-09 05:02:02,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=542, Invalid=2008, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:02:02,935 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 2057 mSDsluCounter, 6405 mSDsCounter, 0 mSdLazyCounter, 4701 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 6921 SdHoareTripleChecker+Invalid, 4757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 4701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:02,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2057 Valid, 6921 Invalid, 4757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [56 Valid, 4701 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-09 05:02:02,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29965 states. [2024-11-09 05:02:03,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29965 to 18297. [2024-11-09 05:02:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18297 states, 18245 states have (on average 2.056289394354618) internal successors, (37517), 18296 states have internal predecessors, (37517), 0 states have call successors, (0), 0 states 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 05:02:03,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18297 states to 18297 states and 37517 transitions. [2024-11-09 05:02:03,626 INFO L78 Accepts]: Start accepts. Automaton has 18297 states and 37517 transitions. Word has length 97 [2024-11-09 05:02:03,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:03,627 INFO L471 AbstractCegarLoop]: Abstraction has 18297 states and 37517 transitions. [2024-11-09 05:02:03,627 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 05:02:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand 18297 states and 37517 transitions. [2024-11-09 05:02:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:02:03,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:03,633 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 05:02:03,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 05:02:03,634 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:02:03,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:03,634 INFO L85 PathProgramCache]: Analyzing trace with hash 352002699, now seen corresponding path program 6 times [2024-11-09 05:02:03,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:03,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188487631] [2024-11-09 05:02:03,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:03,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:05,844 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 05:02:05,845 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:05,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188487631] [2024-11-09 05:02:05,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188487631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:05,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:02:05,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:02:05,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171338403] [2024-11-09 05:02:05,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:05,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:02:05,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:05,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:02:05,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:02:05,847 INFO L87 Difference]: Start difference. First operand 18297 states and 37517 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 05:02:13,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:13,206 INFO L93 Difference]: Finished difference Result 29673 states and 60784 transitions. [2024-11-09 05:02:13,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 05:02:13,206 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 05:02:13,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:13,269 INFO L225 Difference]: With dead ends: 29673 [2024-11-09 05:02:13,270 INFO L226 Difference]: Without dead ends: 29537 [2024-11-09 05:02:13,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=528, Invalid=2022, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:02:13,278 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 1830 mSDsluCounter, 6403 mSDsCounter, 0 mSdLazyCounter, 4477 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1830 SdHoareTripleChecker+Valid, 6931 SdHoareTripleChecker+Invalid, 4504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 4477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:13,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1830 Valid, 6931 Invalid, 4504 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 4477 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-09 05:02:13,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29537 states. [2024-11-09 05:02:13,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29537 to 18339. [2024-11-09 05:02:13,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18339 states, 18287 states have (on average 2.0562694810521136) internal successors, (37603), 18338 states have internal predecessors, (37603), 0 states have call successors, (0), 0 states 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 05:02:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18339 states to 18339 states and 37603 transitions. [2024-11-09 05:02:13,754 INFO L78 Accepts]: Start accepts. Automaton has 18339 states and 37603 transitions. Word has length 97 [2024-11-09 05:02:13,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:13,755 INFO L471 AbstractCegarLoop]: Abstraction has 18339 states and 37603 transitions. [2024-11-09 05:02:13,755 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 05:02:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 18339 states and 37603 transitions. [2024-11-09 05:02:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:02:13,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:13,760 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 05:02:13,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 05:02:13,760 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:02:13,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:13,760 INFO L85 PathProgramCache]: Analyzing trace with hash 876707275, now seen corresponding path program 7 times [2024-11-09 05:02:13,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:13,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984317900] [2024-11-09 05:02:13,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:13,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:15,481 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 05:02:15,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:15,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984317900] [2024-11-09 05:02:15,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984317900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:15,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:02:15,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:02:15,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376849884] [2024-11-09 05:02:15,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:15,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:02:15,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:15,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:02:15,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:02:15,484 INFO L87 Difference]: Start difference. First operand 18339 states and 37603 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 05:02:21,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:21,909 INFO L93 Difference]: Finished difference Result 29774 states and 60976 transitions. [2024-11-09 05:02:21,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 05:02:21,909 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 05:02:21,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:21,981 INFO L225 Difference]: With dead ends: 29774 [2024-11-09 05:02:21,981 INFO L226 Difference]: Without dead ends: 29633 [2024-11-09 05:02:21,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=528, Invalid=2022, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:02:21,993 INFO L432 NwaCegarLoop]: 541 mSDtfsCounter, 2013 mSDsluCounter, 6197 mSDsCounter, 0 mSdLazyCounter, 4093 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2013 SdHoareTripleChecker+Valid, 6738 SdHoareTripleChecker+Invalid, 4120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 4093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:21,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2013 Valid, 6738 Invalid, 4120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 4093 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-09 05:02:22,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29633 states. [2024-11-09 05:02:22,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29633 to 18327. [2024-11-09 05:02:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18327 states, 18275 states have (on average 2.0561969904240764) internal successors, (37577), 18326 states have internal predecessors, (37577), 0 states have call successors, (0), 0 states 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 05:02:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18327 states to 18327 states and 37577 transitions. [2024-11-09 05:02:22,505 INFO L78 Accepts]: Start accepts. Automaton has 18327 states and 37577 transitions. Word has length 97 [2024-11-09 05:02:22,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:22,506 INFO L471 AbstractCegarLoop]: Abstraction has 18327 states and 37577 transitions. [2024-11-09 05:02:22,506 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 05:02:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 18327 states and 37577 transitions. [2024-11-09 05:02:22,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:02:22,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:22,515 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 05:02:22,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 05:02:22,515 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:02:22,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:22,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1063386389, now seen corresponding path program 6 times [2024-11-09 05:02:22,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:22,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672458324] [2024-11-09 05:02:22,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:22,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:25,429 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 05:02:25,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:25,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672458324] [2024-11-09 05:02:25,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672458324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:25,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:02:25,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2024-11-09 05:02:25,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591307960] [2024-11-09 05:02:25,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:25,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 05:02:25,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:25,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 05:02:25,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=905, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:02:25,431 INFO L87 Difference]: Start difference. First operand 18327 states and 37577 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 05:02:44,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:44,096 INFO L93 Difference]: Finished difference Result 32925 states and 67513 transitions. [2024-11-09 05:02:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-09 05:02:44,097 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 05:02:44,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:44,166 INFO L225 Difference]: With dead ends: 32925 [2024-11-09 05:02:44,166 INFO L226 Difference]: Without dead ends: 32854 [2024-11-09 05:02:44,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3303 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=2574, Invalid=9198, Unknown=0, NotChecked=0, Total=11772 [2024-11-09 05:02:44,177 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 2587 mSDsluCounter, 7703 mSDsCounter, 0 mSdLazyCounter, 7018 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2587 SdHoareTripleChecker+Valid, 8230 SdHoareTripleChecker+Invalid, 7625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 7018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:44,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2587 Valid, 8230 Invalid, 7625 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [607 Valid, 7018 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-09 05:02:44,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32854 states. [2024-11-09 05:02:44,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32854 to 18557. [2024-11-09 05:02:44,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18557 states, 18505 states have (on average 2.0559848689543365) internal successors, (38046), 18556 states have internal predecessors, (38046), 0 states have call successors, (0), 0 states 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 05:02:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18557 states to 18557 states and 38046 transitions. [2024-11-09 05:02:44,700 INFO L78 Accepts]: Start accepts. Automaton has 18557 states and 38046 transitions. Word has length 97 [2024-11-09 05:02:44,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:44,700 INFO L471 AbstractCegarLoop]: Abstraction has 18557 states and 38046 transitions. [2024-11-09 05:02:44,700 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 05:02:44,700 INFO L276 IsEmpty]: Start isEmpty. Operand 18557 states and 38046 transitions. [2024-11-09 05:02:44,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:02:44,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:44,705 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 05:02:44,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 05:02:44,706 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:02:44,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:44,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1180823561, now seen corresponding path program 7 times [2024-11-09 05:02:44,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:44,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642755424] [2024-11-09 05:02:44,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:44,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:02:46,027 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 05:02:46,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:02:46,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642755424] [2024-11-09 05:02:46,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642755424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:02:46,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:02:46,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:02:46,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069677843] [2024-11-09 05:02:46,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:02:46,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:02:46,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:02:46,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:02:46,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:02:46,030 INFO L87 Difference]: Start difference. First operand 18557 states and 38046 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 05:02:58,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:02:58,716 INFO L93 Difference]: Finished difference Result 31724 states and 65084 transitions. [2024-11-09 05:02:58,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-09 05:02:58,717 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 05:02:58,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:02:58,787 INFO L225 Difference]: With dead ends: 31724 [2024-11-09 05:02:58,787 INFO L226 Difference]: Without dead ends: 31653 [2024-11-09 05:02:58,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2570 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=2274, Invalid=6846, Unknown=0, NotChecked=0, Total=9120 [2024-11-09 05:02:58,800 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 2343 mSDsluCounter, 7131 mSDsCounter, 0 mSdLazyCounter, 5038 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2343 SdHoareTripleChecker+Valid, 7654 SdHoareTripleChecker+Invalid, 5304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 5038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:02:58,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2343 Valid, 7654 Invalid, 5304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 5038 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-09 05:02:58,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31653 states. [2024-11-09 05:02:59,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31653 to 18546. [2024-11-09 05:02:59,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18546 states, 18494 states have (on average 2.0558018816913592) internal successors, (38020), 18545 states have internal predecessors, (38020), 0 states have call successors, (0), 0 states 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 05:02:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18546 states to 18546 states and 38020 transitions. [2024-11-09 05:02:59,320 INFO L78 Accepts]: Start accepts. Automaton has 18546 states and 38020 transitions. Word has length 97 [2024-11-09 05:02:59,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:02:59,320 INFO L471 AbstractCegarLoop]: Abstraction has 18546 states and 38020 transitions. [2024-11-09 05:02:59,320 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 05:02:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 18546 states and 38020 transitions. [2024-11-09 05:02:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:02:59,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:02:59,325 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 05:02:59,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 05:02:59,326 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:02:59,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:02:59,326 INFO L85 PathProgramCache]: Analyzing trace with hash -886155989, now seen corresponding path program 8 times [2024-11-09 05:02:59,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:02:59,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522983217] [2024-11-09 05:02:59,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:02:59,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:02:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:02,792 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 05:03:02,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:02,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522983217] [2024-11-09 05:03:02,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522983217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:02,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:02,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-11-09 05:03:02,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994040059] [2024-11-09 05:03:02,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:02,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-09 05:03:02,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:02,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-09 05:03:02,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=962, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 05:03:02,795 INFO L87 Difference]: Start difference. First operand 18546 states and 38020 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 05:03:21,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:21,753 INFO L93 Difference]: Finished difference Result 31089 states and 63768 transitions. [2024-11-09 05:03:21,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-09 05:03:21,754 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 05:03:21,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:21,824 INFO L225 Difference]: With dead ends: 31089 [2024-11-09 05:03:21,824 INFO L226 Difference]: Without dead ends: 31018 [2024-11-09 05:03:21,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2929 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=2430, Invalid=8700, Unknown=0, NotChecked=0, Total=11130 [2024-11-09 05:03:21,834 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 2169 mSDsluCounter, 8144 mSDsCounter, 0 mSdLazyCounter, 7971 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2169 SdHoareTripleChecker+Valid, 8738 SdHoareTripleChecker+Invalid, 8351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 7971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:21,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2169 Valid, 8738 Invalid, 8351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [380 Valid, 7971 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-09 05:03:21,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31018 states. [2024-11-09 05:03:22,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31018 to 18593. [2024-11-09 05:03:22,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18593 states, 18541 states have (on average 2.0556604282401163) internal successors, (38114), 18592 states have internal predecessors, (38114), 0 states have call successors, (0), 0 states 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 05:03:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18593 states to 18593 states and 38114 transitions. [2024-11-09 05:03:22,346 INFO L78 Accepts]: Start accepts. Automaton has 18593 states and 38114 transitions. Word has length 97 [2024-11-09 05:03:22,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:22,347 INFO L471 AbstractCegarLoop]: Abstraction has 18593 states and 38114 transitions. [2024-11-09 05:03:22,347 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 05:03:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 18593 states and 38114 transitions. [2024-11-09 05:03:22,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:03:22,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:22,352 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 05:03:22,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 05:03:22,353 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:03:22,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:22,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1252354933, now seen corresponding path program 8 times [2024-11-09 05:03:22,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:22,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401045630] [2024-11-09 05:03:22,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:22,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:24,459 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 05:03:24,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:24,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401045630] [2024-11-09 05:03:24,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401045630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:24,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:24,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:03:24,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476707279] [2024-11-09 05:03:24,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:24,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:03:24,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:24,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:03:24,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:03:24,461 INFO L87 Difference]: Start difference. First operand 18593 states and 38114 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 05:03:31,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:31,295 INFO L93 Difference]: Finished difference Result 29985 states and 61389 transitions. [2024-11-09 05:03:31,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:03:31,296 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 05:03:31,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:31,354 INFO L225 Difference]: With dead ends: 29985 [2024-11-09 05:03:31,354 INFO L226 Difference]: Without dead ends: 29844 [2024-11-09 05:03:31,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=556, Invalid=2096, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 05:03:31,359 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 1899 mSDsluCounter, 6166 mSDsCounter, 0 mSdLazyCounter, 3801 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1899 SdHoareTripleChecker+Valid, 6721 SdHoareTripleChecker+Invalid, 3824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 3801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:31,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1899 Valid, 6721 Invalid, 3824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 3801 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 05:03:31,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29844 states. [2024-11-09 05:03:31,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29844 to 18594. [2024-11-09 05:03:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18594 states, 18542 states have (on average 2.055657426383346) internal successors, (38116), 18593 states have internal predecessors, (38116), 0 states have call successors, (0), 0 states 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 05:03:31,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18594 states to 18594 states and 38116 transitions. [2024-11-09 05:03:31,856 INFO L78 Accepts]: Start accepts. Automaton has 18594 states and 38116 transitions. Word has length 97 [2024-11-09 05:03:31,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:31,857 INFO L471 AbstractCegarLoop]: Abstraction has 18594 states and 38116 transitions. [2024-11-09 05:03:31,857 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 05:03:31,857 INFO L276 IsEmpty]: Start isEmpty. Operand 18594 states and 38116 transitions. [2024-11-09 05:03:31,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:03:31,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:31,862 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 05:03:31,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 05:03:31,863 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:03:31,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:31,863 INFO L85 PathProgramCache]: Analyzing trace with hash -2003524889, now seen corresponding path program 9 times [2024-11-09 05:03:31,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:31,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672387608] [2024-11-09 05:03:31,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:31,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:35,446 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 05:03:35,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:35,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672387608] [2024-11-09 05:03:35,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672387608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:35,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:35,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2024-11-09 05:03:35,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458160759] [2024-11-09 05:03:35,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:35,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 05:03:35,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:35,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 05:03:35,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=901, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:03:35,448 INFO L87 Difference]: Start difference. First operand 18594 states and 38116 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 05:03:53,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:53,496 INFO L93 Difference]: Finished difference Result 30562 states and 62696 transitions. [2024-11-09 05:03:53,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-09 05:03:53,497 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 05:03:53,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:53,569 INFO L225 Difference]: With dead ends: 30562 [2024-11-09 05:03:53,569 INFO L226 Difference]: Without dead ends: 30491 [2024-11-09 05:03:53,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2517 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=2376, Invalid=8130, Unknown=0, NotChecked=0, Total=10506 [2024-11-09 05:03:53,580 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 2091 mSDsluCounter, 7530 mSDsCounter, 0 mSdLazyCounter, 6442 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2091 SdHoareTripleChecker+Valid, 8133 SdHoareTripleChecker+Invalid, 6731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 6442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:53,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2091 Valid, 8133 Invalid, 6731 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [289 Valid, 6442 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-09 05:03:53,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30491 states. [2024-11-09 05:03:54,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30491 to 18610. [2024-11-09 05:03:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18610 states, 18558 states have (on average 2.055609440672486) internal successors, (38148), 18609 states have internal predecessors, (38148), 0 states have call successors, (0), 0 states 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 05:03:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18610 states to 18610 states and 38148 transitions. [2024-11-09 05:03:54,230 INFO L78 Accepts]: Start accepts. Automaton has 18610 states and 38148 transitions. Word has length 97 [2024-11-09 05:03:54,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:54,231 INFO L471 AbstractCegarLoop]: Abstraction has 18610 states and 38148 transitions. [2024-11-09 05:03:54,231 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 05:03:54,231 INFO L276 IsEmpty]: Start isEmpty. Operand 18610 states and 38148 transitions. [2024-11-09 05:03:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:03:54,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:54,237 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 05:03:54,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 05:03:54,238 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:03:54,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:54,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1422337753, now seen corresponding path program 10 times [2024-11-09 05:03:54,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:54,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688931187] [2024-11-09 05:03:54,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:54,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:57,612 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 05:03:57,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688931187] [2024-11-09 05:03:57,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688931187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:57,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:57,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2024-11-09 05:03:57,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428416079] [2024-11-09 05:03:57,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:57,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-09 05:03:57,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:57,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-09 05:03:57,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2024-11-09 05:03:57,615 INFO L87 Difference]: Start difference. First operand 18610 states and 38148 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 05:04:17,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:17,175 INFO L93 Difference]: Finished difference Result 30999 states and 63566 transitions. [2024-11-09 05:04:17,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-09 05:04:17,176 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 05:04:17,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:17,243 INFO L225 Difference]: With dead ends: 30999 [2024-11-09 05:04:17,243 INFO L226 Difference]: Without dead ends: 30928 [2024-11-09 05:04:17,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3034 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=2530, Invalid=9026, Unknown=0, NotChecked=0, Total=11556 [2024-11-09 05:04:17,253 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 2107 mSDsluCounter, 7686 mSDsCounter, 0 mSdLazyCounter, 7681 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 8314 SdHoareTripleChecker+Invalid, 8062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 7681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:17,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2107 Valid, 8314 Invalid, 8062 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [381 Valid, 7681 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-09 05:04:17,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30928 states. [2024-11-09 05:04:17,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30928 to 19033. [2024-11-09 05:04:17,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19033 states, 18981 states have (on average 2.055792634740003) internal successors, (39021), 19032 states have internal predecessors, (39021), 0 states have call successors, (0), 0 states 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 05:04:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19033 states to 19033 states and 39021 transitions. [2024-11-09 05:04:17,898 INFO L78 Accepts]: Start accepts. Automaton has 19033 states and 39021 transitions. Word has length 97 [2024-11-09 05:04:17,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:17,898 INFO L471 AbstractCegarLoop]: Abstraction has 19033 states and 39021 transitions. [2024-11-09 05:04:17,898 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 05:04:17,899 INFO L276 IsEmpty]: Start isEmpty. Operand 19033 states and 39021 transitions. [2024-11-09 05:04:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:04:17,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:17,905 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 05:04:17,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 05:04:17,906 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:04:17,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:17,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1788536697, now seen corresponding path program 9 times [2024-11-09 05:04:17,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:04:17,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526360722] [2024-11-09 05:04:17,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:04:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:19,883 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 05:04:19,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:04:19,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526360722] [2024-11-09 05:04:19,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526360722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:19,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:04:19,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:04:19,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557736699] [2024-11-09 05:04:19,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:19,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:04:19,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:04:19,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:04:19,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:04:19,885 INFO L87 Difference]: Start difference. First operand 19033 states and 39021 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 05:04:27,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:27,296 INFO L93 Difference]: Finished difference Result 30132 states and 61672 transitions. [2024-11-09 05:04:27,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:04:27,297 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 05:04:27,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:27,367 INFO L225 Difference]: With dead ends: 30132 [2024-11-09 05:04:27,367 INFO L226 Difference]: Without dead ends: 29991 [2024-11-09 05:04:27,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=562, Invalid=2090, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 05:04:27,377 INFO L432 NwaCegarLoop]: 570 mSDtfsCounter, 2059 mSDsluCounter, 6444 mSDsCounter, 0 mSdLazyCounter, 3842 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 7014 SdHoareTripleChecker+Invalid, 3871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 3842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:27,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 7014 Invalid, 3871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 3842 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-09 05:04:27,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29991 states. [2024-11-09 05:04:27,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29991 to 19030. [2024-11-09 05:04:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19030 states, 18978 states have (on average 2.055801454315523) internal successors, (39015), 19029 states have internal predecessors, (39015), 0 states have call successors, (0), 0 states 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 05:04:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19030 states to 19030 states and 39015 transitions. [2024-11-09 05:04:27,923 INFO L78 Accepts]: Start accepts. Automaton has 19030 states and 39015 transitions. Word has length 97 [2024-11-09 05:04:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:27,923 INFO L471 AbstractCegarLoop]: Abstraction has 19030 states and 39015 transitions. [2024-11-09 05:04:27,924 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 05:04:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 19030 states and 39015 transitions. [2024-11-09 05:04:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:04:27,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:27,929 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 05:04:27,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 05:04:27,930 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:04:27,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:27,930 INFO L85 PathProgramCache]: Analyzing trace with hash 509328941, now seen corresponding path program 10 times [2024-11-09 05:04:27,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:04:27,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985649058] [2024-11-09 05:04:27,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:27,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:04:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:29,733 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 05:04:29,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:04:29,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985649058] [2024-11-09 05:04:29,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985649058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:29,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:04:29,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:04:29,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661371599] [2024-11-09 05:04:29,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:29,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:04:29,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:04:29,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:04:29,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:04:29,735 INFO L87 Difference]: Start difference. First operand 19030 states and 39015 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 05:04:37,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:37,276 INFO L93 Difference]: Finished difference Result 29944 states and 61292 transitions. [2024-11-09 05:04:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 05:04:37,276 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 05:04:37,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:37,346 INFO L225 Difference]: With dead ends: 29944 [2024-11-09 05:04:37,346 INFO L226 Difference]: Without dead ends: 29803 [2024-11-09 05:04:37,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=534, Invalid=2016, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:04:37,356 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 1821 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 4252 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 7416 SdHoareTripleChecker+Invalid, 4286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 4252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:37,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 7416 Invalid, 4286 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [34 Valid, 4252 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 05:04:37,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29803 states. [2024-11-09 05:04:37,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29803 to 19033. [2024-11-09 05:04:37,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19033 states, 18981 states have (on average 2.055792634740003) internal successors, (39021), 19032 states have internal predecessors, (39021), 0 states have call successors, (0), 0 states 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 05:04:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19033 states to 19033 states and 39021 transitions. [2024-11-09 05:04:37,949 INFO L78 Accepts]: Start accepts. Automaton has 19033 states and 39021 transitions. Word has length 97 [2024-11-09 05:04:37,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:37,949 INFO L471 AbstractCegarLoop]: Abstraction has 19033 states and 39021 transitions. [2024-11-09 05:04:37,949 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 05:04:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 19033 states and 39021 transitions. [2024-11-09 05:04:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:04:37,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:37,955 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 05:04:37,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 05:04:37,955 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:04:37,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:37,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1728971307, now seen corresponding path program 11 times [2024-11-09 05:04:37,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:04:37,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325224392] [2024-11-09 05:04:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:37,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:04:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:40,232 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 05:04:40,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:04:40,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325224392] [2024-11-09 05:04:40,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325224392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:40,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:04:40,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:04:40,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910433627] [2024-11-09 05:04:40,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:40,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:04:40,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:04:40,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:04:40,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:04:40,234 INFO L87 Difference]: Start difference. First operand 19033 states and 39021 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 05:04:48,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:48,077 INFO L93 Difference]: Finished difference Result 29950 states and 61305 transitions. [2024-11-09 05:04:48,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 05:04:48,078 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 05:04:48,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:48,137 INFO L225 Difference]: With dead ends: 29950 [2024-11-09 05:04:48,138 INFO L226 Difference]: Without dead ends: 29809 [2024-11-09 05:04:48,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=537, Invalid=2013, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:04:48,145 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 1781 mSDsluCounter, 7332 mSDsCounter, 0 mSdLazyCounter, 4080 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 7905 SdHoareTripleChecker+Invalid, 4109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 4080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:48,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1781 Valid, 7905 Invalid, 4109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 4080 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-09 05:04:48,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29809 states. [2024-11-09 05:04:48,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29809 to 19033. [2024-11-09 05:04:48,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19033 states, 18981 states have (on average 2.055792634740003) internal successors, (39021), 19032 states have internal predecessors, (39021), 0 states have call successors, (0), 0 states 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 05:04:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19033 states to 19033 states and 39021 transitions. [2024-11-09 05:04:48,702 INFO L78 Accepts]: Start accepts. Automaton has 19033 states and 39021 transitions. Word has length 97 [2024-11-09 05:04:48,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:48,703 INFO L471 AbstractCegarLoop]: Abstraction has 19033 states and 39021 transitions. [2024-11-09 05:04:48,703 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 05:04:48,703 INFO L276 IsEmpty]: Start isEmpty. Operand 19033 states and 39021 transitions. [2024-11-09 05:04:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:04:48,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:48,708 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 05:04:48,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 05:04:48,708 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:04:48,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:48,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1343228339, now seen corresponding path program 12 times [2024-11-09 05:04:48,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:04:48,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753978274] [2024-11-09 05:04:48,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:48,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:04:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:04:50,528 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 05:04:50,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:04:50,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753978274] [2024-11-09 05:04:50,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753978274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:04:50,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:04:50,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:04:50,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306331163] [2024-11-09 05:04:50,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:04:50,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:04:50,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:04:50,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:04:50,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:04:50,531 INFO L87 Difference]: Start difference. First operand 19033 states and 39021 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 05:04:58,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:04:58,488 INFO L93 Difference]: Finished difference Result 29950 states and 61304 transitions. [2024-11-09 05:04:58,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 05:04:58,489 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 05:04:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:04:58,558 INFO L225 Difference]: With dead ends: 29950 [2024-11-09 05:04:58,558 INFO L226 Difference]: Without dead ends: 29809 [2024-11-09 05:04:58,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=533, Invalid=2017, Unknown=0, NotChecked=0, Total=2550 [2024-11-09 05:04:58,564 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 1741 mSDsluCounter, 7228 mSDsCounter, 0 mSdLazyCounter, 4521 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 7786 SdHoareTripleChecker+Invalid, 4554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 4521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:04:58,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 7786 Invalid, 4554 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [33 Valid, 4521 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-09 05:04:58,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29809 states. [2024-11-09 05:04:59,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29809 to 19036. [2024-11-09 05:04:59,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19036 states, 18984 states have (on average 2.0557838179519594) internal successors, (39027), 19035 states have internal predecessors, (39027), 0 states have call successors, (0), 0 states 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 05:04:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19036 states to 19036 states and 39027 transitions. [2024-11-09 05:04:59,229 INFO L78 Accepts]: Start accepts. Automaton has 19036 states and 39027 transitions. Word has length 97 [2024-11-09 05:04:59,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:04:59,229 INFO L471 AbstractCegarLoop]: Abstraction has 19036 states and 39027 transitions. [2024-11-09 05:04:59,230 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 05:04:59,230 INFO L276 IsEmpty]: Start isEmpty. Operand 19036 states and 39027 transitions. [2024-11-09 05:04:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:04:59,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:04:59,235 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 05:04:59,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 05:04:59,236 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:04:59,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:04:59,236 INFO L85 PathProgramCache]: Analyzing trace with hash 928064731, now seen corresponding path program 11 times [2024-11-09 05:04:59,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:04:59,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764251747] [2024-11-09 05:04:59,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:04:59,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:04:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:00,844 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 05:05:00,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:00,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764251747] [2024-11-09 05:05:00,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764251747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:00,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:00,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-09 05:05:00,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315341152] [2024-11-09 05:05:00,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:00,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 05:05:00,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:00,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 05:05:00,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2024-11-09 05:05:00,846 INFO L87 Difference]: Start difference. First operand 19036 states and 39027 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 05:05:10,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:10,033 INFO L93 Difference]: Finished difference Result 32712 states and 67041 transitions. [2024-11-09 05:05:10,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 05:05:10,033 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 05:05:10,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:10,125 INFO L225 Difference]: With dead ends: 32712 [2024-11-09 05:05:10,125 INFO L226 Difference]: Without dead ends: 32641 [2024-11-09 05:05:10,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=651, Invalid=2105, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 05:05:10,137 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 2714 mSDsluCounter, 7137 mSDsCounter, 0 mSdLazyCounter, 5775 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 7700 SdHoareTripleChecker+Invalid, 5953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 5775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:10,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 7700 Invalid, 5953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [178 Valid, 5775 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-09 05:05:10,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32641 states. [2024-11-09 05:05:11,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32641 to 21921. [2024-11-09 05:05:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21921 states, 21869 states have (on average 2.0670812565732315) internal successors, (45205), 21920 states have internal predecessors, (45205), 0 states have call successors, (0), 0 states 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 05:05:11,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21921 states to 21921 states and 45205 transitions. [2024-11-09 05:05:11,206 INFO L78 Accepts]: Start accepts. Automaton has 21921 states and 45205 transitions. Word has length 97 [2024-11-09 05:05:11,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:11,207 INFO L471 AbstractCegarLoop]: Abstraction has 21921 states and 45205 transitions. [2024-11-09 05:05:11,207 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 05:05:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 21921 states and 45205 transitions. [2024-11-09 05:05:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:05:11,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:11,214 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 05:05:11,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 05:05:11,215 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:05:11,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:11,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1908772775, now seen corresponding path program 13 times [2024-11-09 05:05:11,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:11,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215596921] [2024-11-09 05:05:11,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:11,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:13,207 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 05:05:13,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:13,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215596921] [2024-11-09 05:05:13,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215596921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:13,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:13,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:05:13,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752926561] [2024-11-09 05:05:13,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:13,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:05:13,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:13,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:05:13,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:05:13,210 INFO L87 Difference]: Start difference. First operand 21921 states and 45205 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 05:05:21,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:21,903 INFO L93 Difference]: Finished difference Result 28934 states and 59234 transitions. [2024-11-09 05:05:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:05:21,904 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 05:05:21,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:21,979 INFO L225 Difference]: With dead ends: 28934 [2024-11-09 05:05:21,979 INFO L226 Difference]: Without dead ends: 28794 [2024-11-09 05:05:21,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=568, Invalid=2084, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 05:05:21,989 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 2270 mSDsluCounter, 7942 mSDsCounter, 0 mSdLazyCounter, 5951 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 8559 SdHoareTripleChecker+Invalid, 6017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 5951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:21,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2270 Valid, 8559 Invalid, 6017 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [66 Valid, 5951 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-09 05:05:22,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28794 states. [2024-11-09 05:05:22,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28794 to 21939. [2024-11-09 05:05:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21939 states, 21887 states have (on average 2.0669803993237994) internal successors, (45240), 21938 states have internal predecessors, (45240), 0 states have call successors, (0), 0 states 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 05:05:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21939 states to 21939 states and 45240 transitions. [2024-11-09 05:05:22,886 INFO L78 Accepts]: Start accepts. Automaton has 21939 states and 45240 transitions. Word has length 97 [2024-11-09 05:05:22,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:22,886 INFO L471 AbstractCegarLoop]: Abstraction has 21939 states and 45240 transitions. [2024-11-09 05:05:22,886 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 05:05:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 21939 states and 45240 transitions. [2024-11-09 05:05:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:05:22,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:22,893 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 05:05:22,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 05:05:22,893 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:05:22,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:22,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1156437163, now seen corresponding path program 12 times [2024-11-09 05:05:22,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:22,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873524487] [2024-11-09 05:05:22,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:22,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:24,428 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 05:05:24,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:24,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873524487] [2024-11-09 05:05:24,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873524487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:24,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:24,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-11-09 05:05:24,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290917474] [2024-11-09 05:05:24,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:24,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 05:05:24,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:24,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 05:05:24,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-11-09 05:05:24,430 INFO L87 Difference]: Start difference. First operand 21939 states and 45240 transitions. Second operand has 25 states, 24 states have (on average 4.041666666666667) internal successors, (97), 25 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 05:05:33,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:33,347 INFO L93 Difference]: Finished difference Result 35616 states and 73370 transitions. [2024-11-09 05:05:33,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-09 05:05:33,348 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.041666666666667) internal successors, (97), 25 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 05:05:33,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:33,436 INFO L225 Difference]: With dead ends: 35616 [2024-11-09 05:05:33,436 INFO L226 Difference]: Without dead ends: 35545 [2024-11-09 05:05:33,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 05:05:33,449 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 2428 mSDsluCounter, 7711 mSDsCounter, 0 mSdLazyCounter, 5612 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 8330 SdHoareTripleChecker+Invalid, 5870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 5612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:33,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 8330 Invalid, 5870 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [258 Valid, 5612 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 05:05:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35545 states. [2024-11-09 05:05:34,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35545 to 25468. [2024-11-09 05:05:34,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25468 states, 25416 states have (on average 2.0771167768334906) internal successors, (52792), 25467 states have internal predecessors, (52792), 0 states have call successors, (0), 0 states 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 05:05:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25468 states to 25468 states and 52792 transitions. [2024-11-09 05:05:34,686 INFO L78 Accepts]: Start accepts. Automaton has 25468 states and 52792 transitions. Word has length 97 [2024-11-09 05:05:34,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:34,687 INFO L471 AbstractCegarLoop]: Abstraction has 25468 states and 52792 transitions. [2024-11-09 05:05:34,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.041666666666667) internal successors, (97), 25 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 05:05:34,687 INFO L276 IsEmpty]: Start isEmpty. Operand 25468 states and 52792 transitions. [2024-11-09 05:05:34,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:05:34,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:34,694 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 05:05:34,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 05:05:34,694 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:05:34,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:34,694 INFO L85 PathProgramCache]: Analyzing trace with hash 731678041, now seen corresponding path program 14 times [2024-11-09 05:05:34,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:34,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098428795] [2024-11-09 05:05:34,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:34,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:05:36,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:36,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098428795] [2024-11-09 05:05:36,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098428795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:36,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:36,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:05:36,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639017080] [2024-11-09 05:05:36,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:36,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:05:36,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:36,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:05:36,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:05:36,105 INFO L87 Difference]: Start difference. First operand 25468 states and 52792 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 05:05:44,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:44,790 INFO L93 Difference]: Finished difference Result 33332 states and 68576 transitions. [2024-11-09 05:05:44,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 05:05:44,791 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 05:05:44,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:44,869 INFO L225 Difference]: With dead ends: 33332 [2024-11-09 05:05:44,869 INFO L226 Difference]: Without dead ends: 33196 [2024-11-09 05:05:44,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=519, Invalid=1931, Unknown=0, NotChecked=0, Total=2450 [2024-11-09 05:05:44,879 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 2186 mSDsluCounter, 7765 mSDsCounter, 0 mSdLazyCounter, 5719 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 8403 SdHoareTripleChecker+Invalid, 5755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 5719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:44,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2186 Valid, 8403 Invalid, 5755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [36 Valid, 5719 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-09 05:05:44,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33196 states. [2024-11-09 05:05:45,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33196 to 25521. [2024-11-09 05:05:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25521 states, 25469 states have (on average 2.0771133534885546) internal successors, (52902), 25520 states have internal predecessors, (52902), 0 states have call successors, (0), 0 states 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 05:05:45,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25521 states to 25521 states and 52902 transitions. [2024-11-09 05:05:46,016 INFO L78 Accepts]: Start accepts. Automaton has 25521 states and 52902 transitions. Word has length 97 [2024-11-09 05:05:46,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:46,017 INFO L471 AbstractCegarLoop]: Abstraction has 25521 states and 52902 transitions. [2024-11-09 05:05:46,017 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 05:05:46,017 INFO L276 IsEmpty]: Start isEmpty. Operand 25521 states and 52902 transitions. [2024-11-09 05:05:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:05:46,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:46,025 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 05:05:46,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 05:05:46,026 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:05:46,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1527764055, now seen corresponding path program 13 times [2024-11-09 05:05:46,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:46,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868806440] [2024-11-09 05:05:46,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:46,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:47,848 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 05:05:47,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:47,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868806440] [2024-11-09 05:05:47,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868806440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:47,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:47,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:05:47,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628549190] [2024-11-09 05:05:47,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:47,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:05:47,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:47,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:05:47,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:05:47,850 INFO L87 Difference]: Start difference. First operand 25521 states and 52902 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 05:05:57,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:57,458 INFO L93 Difference]: Finished difference Result 37904 states and 78277 transitions. [2024-11-09 05:05:57,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-09 05:05:57,458 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 05:05:57,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:57,542 INFO L225 Difference]: With dead ends: 37904 [2024-11-09 05:05:57,542 INFO L226 Difference]: Without dead ends: 37833 [2024-11-09 05:05:57,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=753, Invalid=2439, Unknown=0, NotChecked=0, Total=3192 [2024-11-09 05:05:57,555 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 2478 mSDsluCounter, 7900 mSDsCounter, 0 mSdLazyCounter, 5952 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2478 SdHoareTripleChecker+Valid, 8532 SdHoareTripleChecker+Invalid, 6141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 5952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:57,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2478 Valid, 8532 Invalid, 6141 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [189 Valid, 5952 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-09 05:05:57,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37833 states. [2024-11-09 05:05:58,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37833 to 27827. [2024-11-09 05:05:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27827 states, 27775 states have (on average 2.0843564356435644) internal successors, (57893), 27826 states have internal predecessors, (57893), 0 states have call successors, (0), 0 states 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 05:05:58,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27827 states to 27827 states and 57893 transitions. [2024-11-09 05:05:58,815 INFO L78 Accepts]: Start accepts. Automaton has 27827 states and 57893 transitions. Word has length 97 [2024-11-09 05:05:58,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:58,815 INFO L471 AbstractCegarLoop]: Abstraction has 27827 states and 57893 transitions. [2024-11-09 05:05:58,815 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 05:05:58,816 INFO L276 IsEmpty]: Start isEmpty. Operand 27827 states and 57893 transitions. [2024-11-09 05:05:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:05:58,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:58,822 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 05:05:58,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 05:05:58,822 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:05:58,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:58,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1256382617, now seen corresponding path program 15 times [2024-11-09 05:05:58,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:58,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990975252] [2024-11-09 05:05:58,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:58,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:00,471 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 05:06:00,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:06:00,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990975252] [2024-11-09 05:06:00,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990975252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:06:00,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:06:00,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:06:00,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898933776] [2024-11-09 05:06:00,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:06:00,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:06:00,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:06:00,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:06:00,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:06:00,473 INFO L87 Difference]: Start difference. First operand 27827 states and 57893 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 05:06:08,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:06:08,320 INFO L93 Difference]: Finished difference Result 38422 states and 79505 transitions. [2024-11-09 05:06:08,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 05:06:08,321 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 05:06:08,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:06:08,401 INFO L225 Difference]: With dead ends: 38422 [2024-11-09 05:06:08,401 INFO L226 Difference]: Without dead ends: 38281 [2024-11-09 05:06:08,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=519, Invalid=1931, Unknown=0, NotChecked=0, Total=2450 [2024-11-09 05:06:08,412 INFO L432 NwaCegarLoop]: 649 mSDtfsCounter, 2053 mSDsluCounter, 7093 mSDsCounter, 0 mSdLazyCounter, 4308 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 7742 SdHoareTripleChecker+Invalid, 4343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 4308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:06:08,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 7742 Invalid, 4343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 4308 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 05:06:08,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38281 states. [2024-11-09 05:06:09,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38281 to 29996. [2024-11-09 05:06:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29996 states, 29944 states have (on average 2.090001335826877) internal successors, (62583), 29995 states have internal predecessors, (62583), 0 states have call successors, (0), 0 states 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 05:06:09,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29996 states to 29996 states and 62583 transitions. [2024-11-09 05:06:09,813 INFO L78 Accepts]: Start accepts. Automaton has 29996 states and 62583 transitions. Word has length 97 [2024-11-09 05:06:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:09,813 INFO L471 AbstractCegarLoop]: Abstraction has 29996 states and 62583 transitions. [2024-11-09 05:06:09,814 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 05:06:09,814 INFO L276 IsEmpty]: Start isEmpty. Operand 29996 states and 62583 transitions. [2024-11-09 05:06:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:06:09,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:06:09,826 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 05:06:09,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 05:06:09,826 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:06:09,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:06:09,827 INFO L85 PathProgramCache]: Analyzing trace with hash -683711047, now seen corresponding path program 14 times [2024-11-09 05:06:09,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:06:09,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288205301] [2024-11-09 05:06:09,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:09,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:06:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:11,218 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 05:06:11,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:06:11,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288205301] [2024-11-09 05:06:11,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288205301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:06:11,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:06:11,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:06:11,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244718129] [2024-11-09 05:06:11,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:06:11,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:06:11,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:06:11,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:06:11,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:06:11,220 INFO L87 Difference]: Start difference. First operand 29996 states and 62583 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 05:06:23,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:06:23,314 INFO L93 Difference]: Finished difference Result 42105 states and 87240 transitions. [2024-11-09 05:06:23,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-09 05:06:23,315 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 05:06:23,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:06:23,413 INFO L225 Difference]: With dead ends: 42105 [2024-11-09 05:06:23,413 INFO L226 Difference]: Without dead ends: 42034 [2024-11-09 05:06:23,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1499 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1419, Invalid=4587, Unknown=0, NotChecked=0, Total=6006 [2024-11-09 05:06:23,425 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 2638 mSDsluCounter, 8072 mSDsCounter, 0 mSdLazyCounter, 4985 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2638 SdHoareTripleChecker+Valid, 8703 SdHoareTripleChecker+Invalid, 5361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 4985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:06:23,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2638 Valid, 8703 Invalid, 5361 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [376 Valid, 4985 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-09 05:06:23,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42034 states. [2024-11-09 05:06:24,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42034 to 27971. [2024-11-09 05:06:24,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27971 states, 27919 states have (on average 2.084064615494824) internal successors, (58185), 27970 states have internal predecessors, (58185), 0 states have call successors, (0), 0 states 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 05:06:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27971 states to 27971 states and 58185 transitions. [2024-11-09 05:06:24,754 INFO L78 Accepts]: Start accepts. Automaton has 27971 states and 58185 transitions. Word has length 97 [2024-11-09 05:06:24,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:24,755 INFO L471 AbstractCegarLoop]: Abstraction has 27971 states and 58185 transitions. [2024-11-09 05:06:24,755 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 05:06:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 27971 states and 58185 transitions. [2024-11-09 05:06:24,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:06:24,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:06:24,766 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 05:06:24,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 05:06:24,766 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:06:24,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:06:24,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1801079947, now seen corresponding path program 15 times [2024-11-09 05:06:24,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:06:24,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934844285] [2024-11-09 05:06:24,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:24,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:06:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:26,205 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 05:06:26,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:06:26,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934844285] [2024-11-09 05:06:26,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934844285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:06:26,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:06:26,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:06:26,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547573979] [2024-11-09 05:06:26,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:06:26,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:06:26,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:06:26,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:06:26,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:06:26,207 INFO L87 Difference]: Start difference. First operand 27971 states and 58185 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 05:06:38,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:06:38,497 INFO L93 Difference]: Finished difference Result 40333 states and 83491 transitions. [2024-11-09 05:06:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-09 05:06:38,498 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 05:06:38,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:06:38,591 INFO L225 Difference]: With dead ends: 40333 [2024-11-09 05:06:38,591 INFO L226 Difference]: Without dead ends: 40262 [2024-11-09 05:06:38,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1650 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=1600, Invalid=5042, Unknown=0, NotChecked=0, Total=6642 [2024-11-09 05:06:38,604 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 2703 mSDsluCounter, 7432 mSDsCounter, 0 mSdLazyCounter, 5043 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2703 SdHoareTripleChecker+Valid, 8065 SdHoareTripleChecker+Invalid, 5387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 5043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:06:38,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2703 Valid, 8065 Invalid, 5387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [344 Valid, 5043 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-09 05:06:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40262 states. [2024-11-09 05:06:40,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40262 to 30238. [2024-11-09 05:06:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30238 states, 30186 states have (on average 2.0895779500430662) internal successors, (63076), 30237 states have internal predecessors, (63076), 0 states have call successors, (0), 0 states 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 05:06:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30238 states to 30238 states and 63076 transitions. [2024-11-09 05:06:40,112 INFO L78 Accepts]: Start accepts. Automaton has 30238 states and 63076 transitions. Word has length 97 [2024-11-09 05:06:40,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:40,112 INFO L471 AbstractCegarLoop]: Abstraction has 30238 states and 63076 transitions. [2024-11-09 05:06:40,112 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 05:06:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 30238 states and 63076 transitions. [2024-11-09 05:06:40,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:06:40,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:06:40,119 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 05:06:40,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-09 05:06:40,120 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:06:40,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:06:40,120 INFO L85 PathProgramCache]: Analyzing trace with hash 614915611, now seen corresponding path program 16 times [2024-11-09 05:06:40,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:06:40,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022883668] [2024-11-09 05:06:40,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:40,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:06:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:06:41,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:06:41,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022883668] [2024-11-09 05:06:41,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022883668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:06:41,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:06:41,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:06:41,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535719186] [2024-11-09 05:06:41,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:06:41,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:06:41,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:06:41,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:06:41,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:06:41,565 INFO L87 Difference]: Start difference. First operand 30238 states and 63076 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 05:06:57,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:06:57,125 INFO L93 Difference]: Finished difference Result 47145 states and 98034 transitions. [2024-11-09 05:06:57,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-09 05:06:57,126 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 05:06:57,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:06:57,248 INFO L225 Difference]: With dead ends: 47145 [2024-11-09 05:06:57,248 INFO L226 Difference]: Without dead ends: 47074 [2024-11-09 05:06:57,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1987 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=1824, Invalid=5658, Unknown=0, NotChecked=0, Total=7482 [2024-11-09 05:06:57,264 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 2388 mSDsluCounter, 7521 mSDsCounter, 0 mSdLazyCounter, 5625 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 8154 SdHoareTripleChecker+Invalid, 5904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 5625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:06:57,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 8154 Invalid, 5904 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [279 Valid, 5625 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-09 05:06:57,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47074 states. [2024-11-09 05:06:59,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47074 to 34729. [2024-11-09 05:06:59,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34729 states, 34677 states have (on average 2.0984802606915247) internal successors, (72769), 34728 states have internal predecessors, (72769), 0 states have call successors, (0), 0 states 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 05:06:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34729 states to 34729 states and 72769 transitions. [2024-11-09 05:06:59,237 INFO L78 Accepts]: Start accepts. Automaton has 34729 states and 72769 transitions. Word has length 97 [2024-11-09 05:06:59,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:59,238 INFO L471 AbstractCegarLoop]: Abstraction has 34729 states and 72769 transitions. [2024-11-09 05:06:59,238 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 05:06:59,238 INFO L276 IsEmpty]: Start isEmpty. Operand 34729 states and 72769 transitions. [2024-11-09 05:06:59,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:06:59,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:06:59,251 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 05:06:59,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-09 05:06:59,252 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:06:59,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:06:59,252 INFO L85 PathProgramCache]: Analyzing trace with hash -506480647, now seen corresponding path program 17 times [2024-11-09 05:06:59,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:06:59,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690793617] [2024-11-09 05:06:59,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:59,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:06:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:00,646 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 05:07:00,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:07:00,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690793617] [2024-11-09 05:07:00,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690793617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:07:00,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:07:00,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:07:00,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841536919] [2024-11-09 05:07:00,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:07:00,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:07:00,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:07:00,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:07:00,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:07:00,648 INFO L87 Difference]: Start difference. First operand 34729 states and 72769 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 05:07:13,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:07:13,809 INFO L93 Difference]: Finished difference Result 46345 states and 96513 transitions. [2024-11-09 05:07:13,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-09 05:07:13,809 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 05:07:13,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:07:13,922 INFO L225 Difference]: With dead ends: 46345 [2024-11-09 05:07:13,922 INFO L226 Difference]: Without dead ends: 46274 [2024-11-09 05:07:13,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1305, Invalid=4395, Unknown=0, NotChecked=0, Total=5700 [2024-11-09 05:07:13,936 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 2389 mSDsluCounter, 8411 mSDsCounter, 0 mSdLazyCounter, 5673 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2389 SdHoareTripleChecker+Valid, 9125 SdHoareTripleChecker+Invalid, 5846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 5673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:07:13,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2389 Valid, 9125 Invalid, 5846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [173 Valid, 5673 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-09 05:07:13,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46274 states. [2024-11-09 05:07:15,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46274 to 36797. [2024-11-09 05:07:15,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36797 states, 36745 states have (on average 2.101945842971833) internal successors, (77236), 36796 states have internal predecessors, (77236), 0 states have call successors, (0), 0 states 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 05:07:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36797 states to 36797 states and 77236 transitions. [2024-11-09 05:07:15,834 INFO L78 Accepts]: Start accepts. Automaton has 36797 states and 77236 transitions. Word has length 97 [2024-11-09 05:07:15,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:07:15,835 INFO L471 AbstractCegarLoop]: Abstraction has 36797 states and 77236 transitions. [2024-11-09 05:07:15,835 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 05:07:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 36797 states and 77236 transitions. [2024-11-09 05:07:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:07:15,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:07:15,843 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 05:07:15,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-09 05:07:15,843 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:07:15,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:07:15,843 INFO L85 PathProgramCache]: Analyzing trace with hash -872679591, now seen corresponding path program 16 times [2024-11-09 05:07:15,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:07:15,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737173195] [2024-11-09 05:07:15,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:15,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:07:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:17,952 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 05:07:17,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:07:17,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737173195] [2024-11-09 05:07:17,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737173195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:07:17,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:07:17,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:07:17,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682035299] [2024-11-09 05:07:17,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:07:17,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:07:17,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:07:17,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:07:17,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:07:17,955 INFO L87 Difference]: Start difference. First operand 36797 states and 77236 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 05:07:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:07:26,797 INFO L93 Difference]: Finished difference Result 45351 states and 94356 transitions. [2024-11-09 05:07:26,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:07:26,797 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 05:07:26,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:07:26,895 INFO L225 Difference]: With dead ends: 45351 [2024-11-09 05:07:26,895 INFO L226 Difference]: Without dead ends: 45215 [2024-11-09 05:07:26,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=554, Invalid=2098, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 05:07:26,908 INFO L432 NwaCegarLoop]: 665 mSDtfsCounter, 2135 mSDsluCounter, 8309 mSDsCounter, 0 mSdLazyCounter, 5105 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2135 SdHoareTripleChecker+Valid, 8974 SdHoareTripleChecker+Invalid, 5140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 5105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:07:26,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2135 Valid, 8974 Invalid, 5140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 5105 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-09 05:07:26,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45215 states. [2024-11-09 05:07:28,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45215 to 36793. [2024-11-09 05:07:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36793 states, 36741 states have (on average 2.1019025067363435) internal successors, (77226), 36792 states have internal predecessors, (77226), 0 states have call successors, (0), 0 states 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 05:07:28,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36793 states to 36793 states and 77226 transitions. [2024-11-09 05:07:28,679 INFO L78 Accepts]: Start accepts. Automaton has 36793 states and 77226 transitions. Word has length 97 [2024-11-09 05:07:28,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:07:28,679 INFO L471 AbstractCegarLoop]: Abstraction has 36793 states and 77226 transitions. [2024-11-09 05:07:28,679 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 05:07:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 36793 states and 77226 transitions. [2024-11-09 05:07:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:07:28,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:07:28,688 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 05:07:28,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-09 05:07:28,689 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:07:28,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:07:28,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1623849547, now seen corresponding path program 18 times [2024-11-09 05:07:28,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:07:28,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515816692] [2024-11-09 05:07:28,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:28,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:07:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:30,152 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 05:07:30,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:07:30,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515816692] [2024-11-09 05:07:30,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515816692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:07:30,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:07:30,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:07:30,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954420737] [2024-11-09 05:07:30,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:07:30,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:07:30,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:07:30,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:07:30,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:07:30,154 INFO L87 Difference]: Start difference. First operand 36793 states and 77226 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 05:07:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:07:42,976 INFO L93 Difference]: Finished difference Result 48384 states and 100920 transitions. [2024-11-09 05:07:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-09 05:07:42,976 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 05:07:42,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:07:43,082 INFO L225 Difference]: With dead ends: 48384 [2024-11-09 05:07:43,083 INFO L226 Difference]: Without dead ends: 48313 [2024-11-09 05:07:43,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1492 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=1493, Invalid=4827, Unknown=0, NotChecked=0, Total=6320 [2024-11-09 05:07:43,096 INFO L432 NwaCegarLoop]: 724 mSDtfsCounter, 2344 mSDsluCounter, 8157 mSDsCounter, 0 mSdLazyCounter, 6289 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2344 SdHoareTripleChecker+Valid, 8881 SdHoareTripleChecker+Invalid, 6479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 6289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:07:43,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2344 Valid, 8881 Invalid, 6479 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [190 Valid, 6289 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-09 05:07:43,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48313 states. [2024-11-09 05:07:45,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48313 to 38805. [2024-11-09 05:07:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38805 states, 38753 states have (on average 2.1051015405258946) internal successors, (81579), 38804 states have internal predecessors, (81579), 0 states have call successors, (0), 0 states 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 05:07:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38805 states to 38805 states and 81579 transitions. [2024-11-09 05:07:45,344 INFO L78 Accepts]: Start accepts. Automaton has 38805 states and 81579 transitions. Word has length 97 [2024-11-09 05:07:45,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:07:45,344 INFO L471 AbstractCegarLoop]: Abstraction has 38805 states and 81579 transitions. [2024-11-09 05:07:45,344 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 05:07:45,344 INFO L276 IsEmpty]: Start isEmpty. Operand 38805 states and 81579 transitions. [2024-11-09 05:07:45,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:07:45,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:07:45,352 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 05:07:45,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-09 05:07:45,352 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:07:45,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:07:45,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1042662411, now seen corresponding path program 19 times [2024-11-09 05:07:45,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:07:45,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48915507] [2024-11-09 05:07:45,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:45,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:07:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:47,036 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 05:07:47,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:07:47,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48915507] [2024-11-09 05:07:47,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48915507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:07:47,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:07:47,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:07:47,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749840984] [2024-11-09 05:07:47,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:07:47,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:07:47,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:07:47,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:07:47,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:07:47,038 INFO L87 Difference]: Start difference. First operand 38805 states and 81579 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 05:07:59,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:07:59,228 INFO L93 Difference]: Finished difference Result 54685 states and 114329 transitions. [2024-11-09 05:07:59,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-09 05:07:59,229 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 05:07:59,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:07:59,378 INFO L225 Difference]: With dead ends: 54685 [2024-11-09 05:07:59,378 INFO L226 Difference]: Without dead ends: 54614 [2024-11-09 05:07:59,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1262 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1207, Invalid=4195, Unknown=0, NotChecked=0, Total=5402 [2024-11-09 05:07:59,392 INFO L432 NwaCegarLoop]: 735 mSDtfsCounter, 2130 mSDsluCounter, 9123 mSDsCounter, 0 mSdLazyCounter, 6461 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2130 SdHoareTripleChecker+Valid, 9858 SdHoareTripleChecker+Invalid, 6619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 6461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:07:59,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2130 Valid, 9858 Invalid, 6619 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [158 Valid, 6461 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-09 05:07:59,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54614 states. [2024-11-09 05:08:01,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54614 to 45279. [2024-11-09 05:08:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45279 states, 45227 states have (on average 2.104340327680368) internal successors, (95173), 45278 states have internal predecessors, (95173), 0 states have call successors, (0), 0 states 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 05:08:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45279 states to 45279 states and 95173 transitions. [2024-11-09 05:08:02,148 INFO L78 Accepts]: Start accepts. Automaton has 45279 states and 95173 transitions. Word has length 97 [2024-11-09 05:08:02,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:08:02,148 INFO L471 AbstractCegarLoop]: Abstraction has 45279 states and 95173 transitions. [2024-11-09 05:08:02,148 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 05:08:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand 45279 states and 95173 transitions. [2024-11-09 05:08:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:08:02,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:08:02,159 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 05:08:02,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-09 05:08:02,159 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:08:02,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:08:02,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1408861355, now seen corresponding path program 17 times [2024-11-09 05:08:02,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:08:02,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722616589] [2024-11-09 05:08:02,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:08:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:08:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:08:04,145 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 05:08:04,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:08:04,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722616589] [2024-11-09 05:08:04,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722616589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:08:04,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:08:04,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:08:04,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029350521] [2024-11-09 05:08:04,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:08:04,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:08:04,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:08:04,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:08:04,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:08:04,147 INFO L87 Difference]: Start difference. First operand 45279 states and 95173 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 05:08:13,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:08:13,938 INFO L93 Difference]: Finished difference Result 54131 states and 113087 transitions. [2024-11-09 05:08:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 05:08:13,939 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 05:08:13,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:08:14,068 INFO L225 Difference]: With dead ends: 54131 [2024-11-09 05:08:14,068 INFO L226 Difference]: Without dead ends: 53995 [2024-11-09 05:08:14,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=586, Invalid=2170, Unknown=0, NotChecked=0, Total=2756 [2024-11-09 05:08:14,082 INFO L432 NwaCegarLoop]: 681 mSDtfsCounter, 2173 mSDsluCounter, 7732 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 8413 SdHoareTripleChecker+Invalid, 5076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 5035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:08:14,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2173 Valid, 8413 Invalid, 5076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 5035 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-09 05:08:14,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53995 states. [2024-11-09 05:08:17,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53995 to 45288. [2024-11-09 05:08:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45288 states, 45236 states have (on average 2.1043195684852773) internal successors, (95191), 45287 states have internal predecessors, (95191), 0 states have call successors, (0), 0 states 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 05:08:17,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45288 states to 45288 states and 95191 transitions. [2024-11-09 05:08:17,194 INFO L78 Accepts]: Start accepts. Automaton has 45288 states and 95191 transitions. Word has length 97 [2024-11-09 05:08:17,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:08:17,195 INFO L471 AbstractCegarLoop]: Abstraction has 45288 states and 95191 transitions. [2024-11-09 05:08:17,195 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 05:08:17,195 INFO L276 IsEmpty]: Start isEmpty. Operand 45288 states and 95191 transitions. [2024-11-09 05:08:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:08:17,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:08:17,206 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 05:08:17,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-09 05:08:17,207 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:08:17,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:08:17,207 INFO L85 PathProgramCache]: Analyzing trace with hash 889004283, now seen corresponding path program 18 times [2024-11-09 05:08:17,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:08:17,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10422891] [2024-11-09 05:08:17,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:08:17,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:08:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:08:18,755 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 05:08:18,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:08:18,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10422891] [2024-11-09 05:08:18,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10422891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:08:18,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:08:18,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:08:18,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258120697] [2024-11-09 05:08:18,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:08:18,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:08:18,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:08:18,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:08:18,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:08:18,757 INFO L87 Difference]: Start difference. First operand 45288 states and 95191 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 05:08:29,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:08:29,306 INFO L93 Difference]: Finished difference Result 53958 states and 112742 transitions. [2024-11-09 05:08:29,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 05:08:29,307 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 05:08:29,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:08:29,460 INFO L225 Difference]: With dead ends: 53958 [2024-11-09 05:08:29,460 INFO L226 Difference]: Without dead ends: 53822 [2024-11-09 05:08:29,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=558, Invalid=2094, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 05:08:29,476 INFO L432 NwaCegarLoop]: 674 mSDtfsCounter, 1989 mSDsluCounter, 8466 mSDsCounter, 0 mSdLazyCounter, 5688 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 9140 SdHoareTripleChecker+Invalid, 5727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 5688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:08:29,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 9140 Invalid, 5727 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [39 Valid, 5688 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-09 05:08:29,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53822 states. [2024-11-09 05:08:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53822 to 45288. [2024-11-09 05:08:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45288 states, 45236 states have (on average 2.1043195684852773) internal successors, (95191), 45287 states have internal predecessors, (95191), 0 states have call successors, (0), 0 states 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 05:08:32,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45288 states to 45288 states and 95191 transitions. [2024-11-09 05:08:32,918 INFO L78 Accepts]: Start accepts. Automaton has 45288 states and 95191 transitions. Word has length 97 [2024-11-09 05:08:32,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:08:32,918 INFO L471 AbstractCegarLoop]: Abstraction has 45288 states and 95191 transitions. [2024-11-09 05:08:32,918 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 05:08:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 45288 states and 95191 transitions. [2024-11-09 05:08:32,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:08:32,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:08:32,927 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 05:08:32,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-09 05:08:32,927 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-09 05:08:32,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:08:32,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2108646649, now seen corresponding path program 19 times [2024-11-09 05:08:32,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:08:32,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221540509] [2024-11-09 05:08:32,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:08:32,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:08:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:08:34,710 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 05:08:34,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:08:34,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221540509] [2024-11-09 05:08:34,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221540509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:08:34,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:08:34,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-09 05:08:34,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325846779] [2024-11-09 05:08:34,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:08:34,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 05:08:34,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:08:34,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 05:08:34,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:08:34,713 INFO L87 Difference]: Start difference. First operand 45288 states and 95191 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)