./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/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_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/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_b431d204-56b4-48b2-9a09-bb515f4cf5d8/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 bf4857c62d483a773a35fae36979eac9c903a6d30c1e665676e5036b445ef343 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:19:21,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:19:21,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 07:19:21,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:19:21,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:19:21,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:19:21,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:19:21,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:19:21,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:19:21,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:19:21,219 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:19:21,220 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:19:21,220 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:19:21,221 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:19:21,224 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:19:21,224 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:19:21,225 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:19:21,225 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:19:21,226 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:19:21,226 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:19:21,227 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:19:21,231 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:19:21,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:19:21,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:19:21,233 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:19:21,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:19:21,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:19:21,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:19:21,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:19:21,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:19:21,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:19:21,240 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 07:19:21,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:19:21,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 07:19:21,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:19:21,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:19:21,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:19:21,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:19:21,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:19:21,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:19:21,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:19:21,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:19:21,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:19:21,246 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:19:21,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:19:21,247 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:19:21,247 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:19:21,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:19:21,247 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_b431d204-56b4-48b2-9a09-bb515f4cf5d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf4857c62d483a773a35fae36979eac9c903a6d30c1e665676e5036b445ef343 [2024-11-09 07:19:21,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:19:21,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:19:21,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:19:21,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:19:21,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:19:21,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-2.i Unable to find full path for "g++" [2024-11-09 07:19:23,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:19:24,167 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:19:24,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-2.i [2024-11-09 07:19:24,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/data/16a35f459/5408cdceeaab404da590da4ccb231157/FLAGc6406bb28 [2024-11-09 07:19:24,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/data/16a35f459/5408cdceeaab404da590da4ccb231157 [2024-11-09 07:19:24,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:19:24,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:19:24,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:19:24,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:19:24,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:19:24,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:19:24" (1/1) ... [2024-11-09 07:19:24,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24005e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:24, skipping insertion in model container [2024-11-09 07:19:24,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:19:24" (1/1) ... [2024-11-09 07:19:24,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:19:25,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:19:25,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:19:25,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:19:25,184 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:19:25,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25 WrapperNode [2024-11-09 07:19:25,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:19:25,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:19:25,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:19:25,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:19:25,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,243 INFO L138 Inliner]: procedures = 277, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 143 [2024-11-09 07:19:25,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:19:25,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:19:25,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:19:25,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:19:25,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:19:25,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:19:25,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:19:25,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:19:25,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (1/1) ... [2024-11-09 07:19:25,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:19:25,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:19:25,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:19:25,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:19:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:19:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 07:19:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:19:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:19:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 07:19:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:19:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:19:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:19:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-09 07:19:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-09 07:19:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:19:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:19:25,385 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 07:19:25,588 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:19:25,590 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:19:25,992 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 07:19:25,992 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:19:26,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:19:26,033 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:19:26,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:26 BoogieIcfgContainer [2024-11-09 07:19:26,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:19:26,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:19:26,036 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:19:26,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:19:26,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:19:24" (1/3) ... [2024-11-09 07:19:26,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b225985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:19:26, skipping insertion in model container [2024-11-09 07:19:26,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:25" (2/3) ... [2024-11-09 07:19:26,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b225985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:19:26, skipping insertion in model container [2024-11-09 07:19:26,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:26" (3/3) ... [2024-11-09 07:19:26,043 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-index-bitmask-race-2.i [2024-11-09 07:19:26,064 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:19:26,064 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-09 07:19:26,064 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 07:19:26,164 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 07:19:26,210 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 189 places, 204 transitions, 415 flow [2024-11-09 07:19:26,563 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4301 states, 4249 states have (on average 2.1543892680630736) internal successors, (9154), 4300 states have internal predecessors, (9154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:26,615 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:19:26,622 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;@6390f49c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:19:26,623 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-09 07:19:26,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 4301 states, 4249 states have (on average 2.1543892680630736) internal successors, (9154), 4300 states have internal predecessors, (9154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:26,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 07:19:26,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:26,644 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] [2024-11-09 07:19:26,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:26,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:26,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1525255369, now seen corresponding path program 1 times [2024-11-09 07:19:26,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:26,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119102168] [2024-11-09 07:19:26,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:26,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:19:27,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:27,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119102168] [2024-11-09 07:19:27,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119102168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:27,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:27,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:19:27,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101716312] [2024-11-09 07:19:27,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:27,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:27,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:27,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:27,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:27,117 INFO L87 Difference]: Start difference. First operand has 4301 states, 4249 states have (on average 2.1543892680630736) internal successors, (9154), 4300 states have internal predecessors, (9154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:27,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:27,395 INFO L93 Difference]: Finished difference Result 8579 states and 18285 transitions. [2024-11-09 07:19:27,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:19:27,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2024-11-09 07:19:27,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:27,466 INFO L225 Difference]: With dead ends: 8579 [2024-11-09 07:19:27,466 INFO L226 Difference]: Without dead ends: 4267 [2024-11-09 07:19:27,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:27,491 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 2 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:27,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 362 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:27,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2024-11-09 07:19:27,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 4267. [2024-11-09 07:19:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4267 states, 4218 states have (on average 2.1545756282598387) internal successors, (9088), 4266 states have internal predecessors, (9088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 9088 transitions. [2024-11-09 07:19:27,855 INFO L78 Accepts]: Start accepts. Automaton has 4267 states and 9088 transitions. Word has length 37 [2024-11-09 07:19:27,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:27,855 INFO L471 AbstractCegarLoop]: Abstraction has 4267 states and 9088 transitions. [2024-11-09 07:19:27,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 4267 states and 9088 transitions. [2024-11-09 07:19:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 07:19:27,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:27,859 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] [2024-11-09 07:19:27,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:19:27,860 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:27,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:27,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1261253180, now seen corresponding path program 1 times [2024-11-09 07:19:27,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:27,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458823227] [2024-11-09 07:19:27,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:27,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:28,022 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 07:19:28,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:28,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458823227] [2024-11-09 07:19:28,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458823227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:28,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:28,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:19:28,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831183225] [2024-11-09 07:19:28,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:28,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:28,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:28,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:28,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:28,027 INFO L87 Difference]: Start difference. First operand 4267 states and 9088 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:28,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:28,245 INFO L93 Difference]: Finished difference Result 5589 states and 11983 transitions. [2024-11-09 07:19:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:19:28,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2024-11-09 07:19:28,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:28,334 INFO L225 Difference]: With dead ends: 5589 [2024-11-09 07:19:28,335 INFO L226 Difference]: Without dead ends: 5406 [2024-11-09 07:19:28,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:28,339 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 145 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:28,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 430 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:28,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5406 states. [2024-11-09 07:19:28,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5406 to 4222. [2024-11-09 07:19:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4222 states, 4181 states have (on average 2.1475723511121743) internal successors, (8979), 4221 states have internal predecessors, (8979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:28,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 4222 states and 8979 transitions. [2024-11-09 07:19:28,519 INFO L78 Accepts]: Start accepts. Automaton has 4222 states and 8979 transitions. Word has length 46 [2024-11-09 07:19:28,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:28,520 INFO L471 AbstractCegarLoop]: Abstraction has 4222 states and 8979 transitions. [2024-11-09 07:19:28,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:28,522 INFO L276 IsEmpty]: Start isEmpty. Operand 4222 states and 8979 transitions. [2024-11-09 07:19:28,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 07:19:28,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:28,524 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] [2024-11-09 07:19:28,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:19:28,525 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:28,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:28,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1725739674, now seen corresponding path program 1 times [2024-11-09 07:19:28,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:28,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603167011] [2024-11-09 07:19:28,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:28,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:28,664 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 07:19:28,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:28,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603167011] [2024-11-09 07:19:28,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603167011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:28,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:28,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:19:28,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224389163] [2024-11-09 07:19:28,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:28,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:28,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:28,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:28,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:28,673 INFO L87 Difference]: Start difference. First operand 4222 states and 8979 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:28,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:28,808 INFO L93 Difference]: Finished difference Result 4234 states and 8992 transitions. [2024-11-09 07:19:28,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:19:28,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-09 07:19:28,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:28,883 INFO L225 Difference]: With dead ends: 4234 [2024-11-09 07:19:28,884 INFO L226 Difference]: Without dead ends: 4066 [2024-11-09 07:19:28,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:28,887 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 153 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:28,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 455 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:28,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4066 states. [2024-11-09 07:19:28,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4066 to 4057. [2024-11-09 07:19:29,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4057 states, 4029 states have (on average 2.1432117150657732) internal successors, (8635), 4056 states have internal predecessors, (8635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:29,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 4057 states and 8635 transitions. [2024-11-09 07:19:29,027 INFO L78 Accepts]: Start accepts. Automaton has 4057 states and 8635 transitions. Word has length 48 [2024-11-09 07:19:29,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:29,030 INFO L471 AbstractCegarLoop]: Abstraction has 4057 states and 8635 transitions. [2024-11-09 07:19:29,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:29,031 INFO L276 IsEmpty]: Start isEmpty. Operand 4057 states and 8635 transitions. [2024-11-09 07:19:29,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 07:19:29,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:29,034 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:29,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:19:29,035 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:29,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:29,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1210459163, now seen corresponding path program 1 times [2024-11-09 07:19:29,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:29,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707197674] [2024-11-09 07:19:29,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:29,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:29,252 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 07:19:29,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:29,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707197674] [2024-11-09 07:19:29,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707197674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:29,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:29,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:19:29,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728644662] [2024-11-09 07:19:29,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:29,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:19:29,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:29,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:19:29,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:19:29,255 INFO L87 Difference]: Start difference. First operand 4057 states and 8635 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:29,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:29,561 INFO L93 Difference]: Finished difference Result 4066 states and 8643 transitions. [2024-11-09 07:19:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:19:29,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-09 07:19:29,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:29,589 INFO L225 Difference]: With dead ends: 4066 [2024-11-09 07:19:29,589 INFO L226 Difference]: Without dead ends: 4055 [2024-11-09 07:19:29,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:19:29,597 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 124 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:29,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 646 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:29,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4055 states. [2024-11-09 07:19:29,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4055 to 4055. [2024-11-09 07:19:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4055 states, 4027 states have (on average 2.143282840824435) internal successors, (8631), 4054 states have internal predecessors, (8631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:29,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4055 states to 4055 states and 8631 transitions. [2024-11-09 07:19:29,787 INFO L78 Accepts]: Start accepts. Automaton has 4055 states and 8631 transitions. Word has length 51 [2024-11-09 07:19:29,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:29,789 INFO L471 AbstractCegarLoop]: Abstraction has 4055 states and 8631 transitions. [2024-11-09 07:19:29,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 4055 states and 8631 transitions. [2024-11-09 07:19:29,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 07:19:29,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:29,797 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] [2024-11-09 07:19:29,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:19:29,798 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:29,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:29,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1977824627, now seen corresponding path program 1 times [2024-11-09 07:19:29,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:29,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195232855] [2024-11-09 07:19:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:29,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:19:29,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:29,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195232855] [2024-11-09 07:19:29,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195232855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:29,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:29,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:19:29,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372888699] [2024-11-09 07:19:29,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:29,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:29,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:29,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:29,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:29,962 INFO L87 Difference]: Start difference. First operand 4055 states and 8631 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:30,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:30,206 INFO L93 Difference]: Finished difference Result 8043 states and 17188 transitions. [2024-11-09 07:19:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:19:30,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-11-09 07:19:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:30,261 INFO L225 Difference]: With dead ends: 8043 [2024-11-09 07:19:30,261 INFO L226 Difference]: Without dead ends: 4054 [2024-11-09 07:19:30,276 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 07:19:30,277 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 45 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:30,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 292 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:30,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4054 states. [2024-11-09 07:19:30,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4054 to 4054. [2024-11-09 07:19:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4054 states, 4026 states have (on average 2.143318430203676) internal successors, (8629), 4053 states have internal predecessors, (8629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4054 states to 4054 states and 8629 transitions. [2024-11-09 07:19:30,468 INFO L78 Accepts]: Start accepts. Automaton has 4054 states and 8629 transitions. Word has length 64 [2024-11-09 07:19:30,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:30,469 INFO L471 AbstractCegarLoop]: Abstraction has 4054 states and 8629 transitions. [2024-11-09 07:19:30,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 4054 states and 8629 transitions. [2024-11-09 07:19:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 07:19:30,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:30,474 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] [2024-11-09 07:19:30,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:19:30,475 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:30,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:30,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1968715342, now seen corresponding path program 1 times [2024-11-09 07:19:30,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:30,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67503269] [2024-11-09 07:19:30,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:30,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:30,672 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 07:19:30,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:30,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67503269] [2024-11-09 07:19:30,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67503269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:30,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:30,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:19:30,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323280243] [2024-11-09 07:19:30,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:30,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:30,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:30,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:30,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:30,676 INFO L87 Difference]: Start difference. First operand 4054 states and 8629 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:30,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:30,966 INFO L93 Difference]: Finished difference Result 10040 states and 21669 transitions. [2024-11-09 07:19:30,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:19:30,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-09 07:19:30,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:31,002 INFO L225 Difference]: With dead ends: 10040 [2024-11-09 07:19:31,003 INFO L226 Difference]: Without dead ends: 6041 [2024-11-09 07:19:31,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:31,014 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 240 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:31,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 664 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:31,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6041 states. [2024-11-09 07:19:31,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6041 to 4188. [2024-11-09 07:19:31,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4188 states, 4160 states have (on average 2.144230769230769) internal successors, (8920), 4187 states have internal predecessors, (8920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:31,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 4188 states and 8920 transitions. [2024-11-09 07:19:31,169 INFO L78 Accepts]: Start accepts. Automaton has 4188 states and 8920 transitions. Word has length 74 [2024-11-09 07:19:31,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:31,170 INFO L471 AbstractCegarLoop]: Abstraction has 4188 states and 8920 transitions. [2024-11-09 07:19:31,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 4188 states and 8920 transitions. [2024-11-09 07:19:31,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 07:19:31,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:31,172 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] [2024-11-09 07:19:31,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 07:19:31,172 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:31,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:31,173 INFO L85 PathProgramCache]: Analyzing trace with hash 232573229, now seen corresponding path program 1 times [2024-11-09 07:19:31,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:31,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761086637] [2024-11-09 07:19:31,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:31,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:31,348 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 07:19:31,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:31,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761086637] [2024-11-09 07:19:31,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761086637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:31,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:31,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:19:31,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352962256] [2024-11-09 07:19:31,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:31,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:31,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:31,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:31,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:31,354 INFO L87 Difference]: Start difference. First operand 4188 states and 8920 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:31,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:31,632 INFO L93 Difference]: Finished difference Result 10131 states and 21828 transitions. [2024-11-09 07:19:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:19:31,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-09 07:19:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:31,673 INFO L225 Difference]: With dead ends: 10131 [2024-11-09 07:19:31,673 INFO L226 Difference]: Without dead ends: 5999 [2024-11-09 07:19:31,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:31,685 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 238 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:31,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 572 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:31,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5999 states. [2024-11-09 07:19:31,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5999 to 4182. [2024-11-09 07:19:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4182 states, 4154 states have (on average 2.139383726528647) internal successors, (8887), 4181 states have internal predecessors, (8887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 8887 transitions. [2024-11-09 07:19:31,873 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 8887 transitions. Word has length 74 [2024-11-09 07:19:31,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:31,874 INFO L471 AbstractCegarLoop]: Abstraction has 4182 states and 8887 transitions. [2024-11-09 07:19:31,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 8887 transitions. [2024-11-09 07:19:31,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 07:19:31,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:31,877 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] [2024-11-09 07:19:31,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 07:19:31,877 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:31,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:31,879 INFO L85 PathProgramCache]: Analyzing trace with hash 830822041, now seen corresponding path program 1 times [2024-11-09 07:19:31,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:31,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033491383] [2024-11-09 07:19:31,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:31,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:32,125 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 07:19:32,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:32,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033491383] [2024-11-09 07:19:32,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033491383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:32,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:32,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:19:32,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583649421] [2024-11-09 07:19:32,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:32,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:32,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:32,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:32,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:32,129 INFO L87 Difference]: Start difference. First operand 4182 states and 8887 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:32,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:32,344 INFO L93 Difference]: Finished difference Result 9097 states and 19434 transitions. [2024-11-09 07:19:32,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:19:32,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-09 07:19:32,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:32,377 INFO L225 Difference]: With dead ends: 9097 [2024-11-09 07:19:32,377 INFO L226 Difference]: Without dead ends: 4969 [2024-11-09 07:19:32,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:32,388 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 118 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:32,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 428 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:32,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4969 states. [2024-11-09 07:19:32,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4969 to 4184. [2024-11-09 07:19:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4184 states, 4156 states have (on average 2.1388354186717997) internal successors, (8889), 4183 states have internal predecessors, (8889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4184 states to 4184 states and 8889 transitions. [2024-11-09 07:19:32,533 INFO L78 Accepts]: Start accepts. Automaton has 4184 states and 8889 transitions. Word has length 75 [2024-11-09 07:19:32,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:32,534 INFO L471 AbstractCegarLoop]: Abstraction has 4184 states and 8889 transitions. [2024-11-09 07:19:32,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 4184 states and 8889 transitions. [2024-11-09 07:19:32,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 07:19:32,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:32,535 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] [2024-11-09 07:19:32,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 07:19:32,536 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:32,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:32,537 INFO L85 PathProgramCache]: Analyzing trace with hash 69127929, now seen corresponding path program 1 times [2024-11-09 07:19:32,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:32,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214589159] [2024-11-09 07:19:32,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:32,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:32,617 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 07:19:32,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:32,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214589159] [2024-11-09 07:19:32,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214589159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:32,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:32,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:19:32,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380028995] [2024-11-09 07:19:32,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:32,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:32,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:32,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:32,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:32,621 INFO L87 Difference]: Start difference. First operand 4184 states and 8889 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:32,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:32,919 INFO L93 Difference]: Finished difference Result 9826 states and 21067 transitions. [2024-11-09 07:19:32,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:19:32,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-09 07:19:32,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:32,963 INFO L225 Difference]: With dead ends: 9826 [2024-11-09 07:19:32,964 INFO L226 Difference]: Without dead ends: 5707 [2024-11-09 07:19:32,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:32,979 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 227 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:32,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 567 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:32,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5707 states. [2024-11-09 07:19:33,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5707 to 4382. [2024-11-09 07:19:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4382 states, 4354 states have (on average 2.1433164905833717) internal successors, (9332), 4381 states have internal predecessors, (9332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4382 states to 4382 states and 9332 transitions. [2024-11-09 07:19:33,188 INFO L78 Accepts]: Start accepts. Automaton has 4382 states and 9332 transitions. Word has length 75 [2024-11-09 07:19:33,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:33,189 INFO L471 AbstractCegarLoop]: Abstraction has 4382 states and 9332 transitions. [2024-11-09 07:19:33,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 4382 states and 9332 transitions. [2024-11-09 07:19:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 07:19:33,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:33,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:33,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 07:19:33,193 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:33,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:33,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1933360393, now seen corresponding path program 1 times [2024-11-09 07:19:33,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:33,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915039670] [2024-11-09 07:19:33,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:33,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:33,341 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 07:19:33,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:33,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915039670] [2024-11-09 07:19:33,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915039670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:33,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:33,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:19:33,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096406514] [2024-11-09 07:19:33,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:33,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:33,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:33,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:33,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:33,345 INFO L87 Difference]: Start difference. First operand 4382 states and 9332 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:33,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:33,599 INFO L93 Difference]: Finished difference Result 9838 states and 21149 transitions. [2024-11-09 07:19:33,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:19:33,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-09 07:19:33,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:33,638 INFO L225 Difference]: With dead ends: 9838 [2024-11-09 07:19:33,638 INFO L226 Difference]: Without dead ends: 5539 [2024-11-09 07:19:33,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:33,651 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 209 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:33,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 563 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:33,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5539 states. [2024-11-09 07:19:33,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5539 to 5011. [2024-11-09 07:19:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5011 states, 4983 states have (on average 2.1487055990367248) internal successors, (10707), 5010 states have internal predecessors, (10707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5011 states to 5011 states and 10707 transitions. [2024-11-09 07:19:33,815 INFO L78 Accepts]: Start accepts. Automaton has 5011 states and 10707 transitions. Word has length 75 [2024-11-09 07:19:33,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:33,816 INFO L471 AbstractCegarLoop]: Abstraction has 5011 states and 10707 transitions. [2024-11-09 07:19:33,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 5011 states and 10707 transitions. [2024-11-09 07:19:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 07:19:33,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:33,818 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] [2024-11-09 07:19:33,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 07:19:33,818 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:33,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:33,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1027422686, now seen corresponding path program 1 times [2024-11-09 07:19:33,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:33,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757435619] [2024-11-09 07:19:33,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:33,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:33,906 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 07:19:33,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:33,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757435619] [2024-11-09 07:19:33,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757435619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:33,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:33,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:19:33,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599265497] [2024-11-09 07:19:33,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:33,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:33,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:33,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:33,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:33,909 INFO L87 Difference]: Start difference. First operand 5011 states and 10707 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:34,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:34,178 INFO L93 Difference]: Finished difference Result 10432 states and 22418 transitions. [2024-11-09 07:19:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:19:34,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-09 07:19:34,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:34,217 INFO L225 Difference]: With dead ends: 10432 [2024-11-09 07:19:34,217 INFO L226 Difference]: Without dead ends: 5505 [2024-11-09 07:19:34,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:34,229 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 204 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:34,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 565 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:34,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5505 states. [2024-11-09 07:19:34,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5505 to 5047. [2024-11-09 07:19:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5047 states, 5019 states have (on average 2.1480374576608887) internal successors, (10781), 5046 states have internal predecessors, (10781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5047 states to 5047 states and 10781 transitions. [2024-11-09 07:19:34,393 INFO L78 Accepts]: Start accepts. Automaton has 5047 states and 10781 transitions. Word has length 75 [2024-11-09 07:19:34,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:34,394 INFO L471 AbstractCegarLoop]: Abstraction has 5047 states and 10781 transitions. [2024-11-09 07:19:34,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:34,395 INFO L276 IsEmpty]: Start isEmpty. Operand 5047 states and 10781 transitions. [2024-11-09 07:19:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 07:19:34,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:34,396 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] [2024-11-09 07:19:34,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 07:19:34,396 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:34,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:34,397 INFO L85 PathProgramCache]: Analyzing trace with hash 758774370, now seen corresponding path program 1 times [2024-11-09 07:19:34,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:34,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720342962] [2024-11-09 07:19:34,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:34,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:34,551 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 07:19:34,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:34,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720342962] [2024-11-09 07:19:34,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720342962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:34,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:34,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:19:34,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958719030] [2024-11-09 07:19:34,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:34,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:34,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:34,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:34,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:34,554 INFO L87 Difference]: Start difference. First operand 5047 states and 10781 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:34,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:34,787 INFO L93 Difference]: Finished difference Result 10849 states and 23338 transitions. [2024-11-09 07:19:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:19:34,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-11-09 07:19:34,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:34,829 INFO L225 Difference]: With dead ends: 10849 [2024-11-09 07:19:34,829 INFO L226 Difference]: Without dead ends: 5884 [2024-11-09 07:19:34,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:34,842 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 114 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:34,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 465 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:34,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5884 states. [2024-11-09 07:19:34,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5884 to 5485. [2024-11-09 07:19:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5485 states, 5457 states have (on average 2.1537474803005314) internal successors, (11753), 5484 states have internal predecessors, (11753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 5485 states and 11753 transitions. [2024-11-09 07:19:35,119 INFO L78 Accepts]: Start accepts. Automaton has 5485 states and 11753 transitions. Word has length 76 [2024-11-09 07:19:35,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:35,120 INFO L471 AbstractCegarLoop]: Abstraction has 5485 states and 11753 transitions. [2024-11-09 07:19:35,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 11753 transitions. [2024-11-09 07:19:35,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 07:19:35,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:35,122 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] [2024-11-09 07:19:35,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 07:19:35,123 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:35,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:35,123 INFO L85 PathProgramCache]: Analyzing trace with hash 779091832, now seen corresponding path program 1 times [2024-11-09 07:19:35,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:35,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46472441] [2024-11-09 07:19:35,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:35,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:35,175 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 07:19:35,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:35,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46472441] [2024-11-09 07:19:35,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46472441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:35,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:35,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:19:35,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391294332] [2024-11-09 07:19:35,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:35,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:35,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:35,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:35,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:35,178 INFO L87 Difference]: Start difference. First operand 5485 states and 11753 transitions. Second operand has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:35,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:35,356 INFO L93 Difference]: Finished difference Result 5664 states and 12120 transitions. [2024-11-09 07:19:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:19:35,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-11-09 07:19:35,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:35,398 INFO L225 Difference]: With dead ends: 5664 [2024-11-09 07:19:35,398 INFO L226 Difference]: Without dead ends: 5620 [2024-11-09 07:19:35,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:35,402 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 45 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:35,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 383 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:35,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5620 states. [2024-11-09 07:19:35,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5620 to 5512. [2024-11-09 07:19:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5512 states, 5486 states have (on average 2.152752460809333) internal successors, (11810), 5511 states have internal predecessors, (11810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:35,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5512 states to 5512 states and 11810 transitions. [2024-11-09 07:19:35,568 INFO L78 Accepts]: Start accepts. Automaton has 5512 states and 11810 transitions. Word has length 76 [2024-11-09 07:19:35,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:35,569 INFO L471 AbstractCegarLoop]: Abstraction has 5512 states and 11810 transitions. [2024-11-09 07:19:35,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:35,569 INFO L276 IsEmpty]: Start isEmpty. Operand 5512 states and 11810 transitions. [2024-11-09 07:19:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 07:19:35,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:35,571 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] [2024-11-09 07:19:35,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 07:19:35,572 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:35,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:35,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1526922790, now seen corresponding path program 1 times [2024-11-09 07:19:35,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:35,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610477000] [2024-11-09 07:19:35,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:35,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:36,385 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 07:19:36,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:36,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610477000] [2024-11-09 07:19:36,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610477000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:36,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:36,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:19:36,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891962973] [2024-11-09 07:19:36,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:36,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:19:36,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:36,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:19:36,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:19:36,389 INFO L87 Difference]: Start difference. First operand 5512 states and 11810 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:36,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:36,696 INFO L93 Difference]: Finished difference Result 5582 states and 11933 transitions. [2024-11-09 07:19:36,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:19:36,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-11-09 07:19:36,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:36,739 INFO L225 Difference]: With dead ends: 5582 [2024-11-09 07:19:36,739 INFO L226 Difference]: Without dead ends: 5538 [2024-11-09 07:19:36,742 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 07:19:36,743 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 203 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:36,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 635 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:36,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5538 states. [2024-11-09 07:19:36,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5538 to 5518. [2024-11-09 07:19:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5518 states, 5495 states have (on average 2.1503184713375796) internal successors, (11816), 5517 states have internal predecessors, (11816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:36,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5518 states to 5518 states and 11816 transitions. [2024-11-09 07:19:36,987 INFO L78 Accepts]: Start accepts. Automaton has 5518 states and 11816 transitions. Word has length 90 [2024-11-09 07:19:36,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:36,988 INFO L471 AbstractCegarLoop]: Abstraction has 5518 states and 11816 transitions. [2024-11-09 07:19:36,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5518 states and 11816 transitions. [2024-11-09 07:19:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 07:19:36,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:36,990 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:36,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 07:19:36,991 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:36,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:36,991 INFO L85 PathProgramCache]: Analyzing trace with hash 105908721, now seen corresponding path program 1 times [2024-11-09 07:19:36,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:36,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118565466] [2024-11-09 07:19:36,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:36,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:37,066 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 07:19:37,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:37,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118565466] [2024-11-09 07:19:37,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118565466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:37,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:37,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:19:37,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611089145] [2024-11-09 07:19:37,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:37,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:37,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:37,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:37,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:37,069 INFO L87 Difference]: Start difference. First operand 5518 states and 11816 transitions. Second operand has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:37,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:37,180 INFO L93 Difference]: Finished difference Result 5888 states and 12606 transitions. [2024-11-09 07:19:37,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:19:37,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-09 07:19:37,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:37,216 INFO L225 Difference]: With dead ends: 5888 [2024-11-09 07:19:37,217 INFO L226 Difference]: Without dead ends: 5744 [2024-11-09 07:19:37,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:37,221 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 106 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:37,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 441 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:37,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5744 states. [2024-11-09 07:19:37,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5744 to 5519. [2024-11-09 07:19:37,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5519 states, 5502 states have (on average 2.148127953471465) internal successors, (11819), 5518 states have internal predecessors, (11819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:37,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5519 states to 5519 states and 11819 transitions. [2024-11-09 07:19:37,384 INFO L78 Accepts]: Start accepts. Automaton has 5519 states and 11819 transitions. Word has length 105 [2024-11-09 07:19:37,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:37,385 INFO L471 AbstractCegarLoop]: Abstraction has 5519 states and 11819 transitions. [2024-11-09 07:19:37,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 5519 states and 11819 transitions. [2024-11-09 07:19:37,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 07:19:37,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:37,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:37,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 07:19:37,389 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:37,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:37,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1965479371, now seen corresponding path program 1 times [2024-11-09 07:19:37,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:37,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962911122] [2024-11-09 07:19:37,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:37,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:19:38,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:38,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962911122] [2024-11-09 07:19:38,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962911122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:38,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:38,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:19:38,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728173640] [2024-11-09 07:19:38,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:38,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:19:38,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:38,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:19:38,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:19:38,223 INFO L87 Difference]: Start difference. First operand 5519 states and 11819 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:38,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:38,578 INFO L93 Difference]: Finished difference Result 5582 states and 11927 transitions. [2024-11-09 07:19:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:19:38,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2024-11-09 07:19:38,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:38,613 INFO L225 Difference]: With dead ends: 5582 [2024-11-09 07:19:38,613 INFO L226 Difference]: Without dead ends: 5466 [2024-11-09 07:19:38,616 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 07:19:38,617 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 160 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:38,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 742 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 07:19:38,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5466 states. [2024-11-09 07:19:38,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5466 to 5461. [2024-11-09 07:19:38,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5461 states, 5445 states have (on average 2.148576675849403) internal successors, (11699), 5460 states have internal predecessors, (11699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5461 states to 5461 states and 11699 transitions. [2024-11-09 07:19:38,782 INFO L78 Accepts]: Start accepts. Automaton has 5461 states and 11699 transitions. Word has length 109 [2024-11-09 07:19:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:38,782 INFO L471 AbstractCegarLoop]: Abstraction has 5461 states and 11699 transitions. [2024-11-09 07:19:38,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 5461 states and 11699 transitions. [2024-11-09 07:19:38,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 07:19:38,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:38,791 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:38,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 07:19:38,792 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:38,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:38,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1720205439, now seen corresponding path program 1 times [2024-11-09 07:19:38,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:38,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803278448] [2024-11-09 07:19:38,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:38,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 07:19:39,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:39,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803278448] [2024-11-09 07:19:39,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803278448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:39,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:39,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:19:39,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19283685] [2024-11-09 07:19:39,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:39,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:39,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:39,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:39,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:39,035 INFO L87 Difference]: Start difference. First operand 5461 states and 11699 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:39,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:39,165 INFO L93 Difference]: Finished difference Result 7464 states and 15877 transitions. [2024-11-09 07:19:39,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:19:39,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 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 117 [2024-11-09 07:19:39,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:39,197 INFO L225 Difference]: With dead ends: 7464 [2024-11-09 07:19:39,197 INFO L226 Difference]: Without dead ends: 3524 [2024-11-09 07:19:39,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:19:39,207 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 195 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:39,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 578 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:39,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3524 states. [2024-11-09 07:19:39,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3524 to 3121. [2024-11-09 07:19:39,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3121 states, 3113 states have (on average 2.034693221972374) internal successors, (6334), 3120 states have internal predecessors, (6334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 3121 states and 6334 transitions. [2024-11-09 07:19:39,316 INFO L78 Accepts]: Start accepts. Automaton has 3121 states and 6334 transitions. Word has length 117 [2024-11-09 07:19:39,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:39,317 INFO L471 AbstractCegarLoop]: Abstraction has 3121 states and 6334 transitions. [2024-11-09 07:19:39,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:39,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states and 6334 transitions. [2024-11-09 07:19:39,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 07:19:39,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:39,322 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, 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 07:19:39,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 07:19:39,322 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:39,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:39,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1424442470, now seen corresponding path program 1 times [2024-11-09 07:19:39,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:39,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767969143] [2024-11-09 07:19:39,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:39,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:40,235 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 07:19:40,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:40,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767969143] [2024-11-09 07:19:40,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767969143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:40,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:40,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:19:40,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101924796] [2024-11-09 07:19:40,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:40,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:19:40,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:40,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:19:40,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:19:40,241 INFO L87 Difference]: Start difference. First operand 3121 states and 6334 transitions. Second operand has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:40,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:40,845 INFO L93 Difference]: Finished difference Result 3220 states and 6509 transitions. [2024-11-09 07:19:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:19:40,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2024-11-09 07:19:40,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:40,880 INFO L225 Difference]: With dead ends: 3220 [2024-11-09 07:19:40,880 INFO L226 Difference]: Without dead ends: 2731 [2024-11-09 07:19:40,883 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 07:19:40,884 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 380 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:40,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 1261 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 07:19:40,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2024-11-09 07:19:40,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2703. [2024-11-09 07:19:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2703 states, 2696 states have (on average 2.010014836795252) internal successors, (5419), 2702 states have internal predecessors, (5419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2703 states and 5419 transitions. [2024-11-09 07:19:41,016 INFO L78 Accepts]: Start accepts. Automaton has 2703 states and 5419 transitions. Word has length 121 [2024-11-09 07:19:41,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:41,017 INFO L471 AbstractCegarLoop]: Abstraction has 2703 states and 5419 transitions. [2024-11-09 07:19:41,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2703 states and 5419 transitions. [2024-11-09 07:19:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 07:19:41,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:41,023 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:41,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 07:19:41,024 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:41,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:41,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1476560064, now seen corresponding path program 1 times [2024-11-09 07:19:41,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:41,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212756339] [2024-11-09 07:19:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:41,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:19:42,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:42,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212756339] [2024-11-09 07:19:42,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212756339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:42,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:42,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 07:19:42,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240959405] [2024-11-09 07:19:42,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:42,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 07:19:42,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:42,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 07:19:42,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-09 07:19:42,514 INFO L87 Difference]: Start difference. First operand 2703 states and 5419 transitions. Second operand has 12 states, 11 states have (on average 12.272727272727273) internal successors, (135), 12 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:43,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:43,145 INFO L93 Difference]: Finished difference Result 2703 states and 5419 transitions. [2024-11-09 07:19:43,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 07:19:43,146 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.272727272727273) internal successors, (135), 12 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2024-11-09 07:19:43,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:43,179 INFO L225 Difference]: With dead ends: 2703 [2024-11-09 07:19:43,179 INFO L226 Difference]: Without dead ends: 2635 [2024-11-09 07:19:43,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-09 07:19:43,182 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 421 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:43,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 1255 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 07:19:43,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states. [2024-11-09 07:19:43,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 2616. [2024-11-09 07:19:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2616 states, 2611 states have (on average 2.0118728456530066) internal successors, (5253), 2615 states have internal predecessors, (5253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 5253 transitions. [2024-11-09 07:19:43,310 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 5253 transitions. Word has length 135 [2024-11-09 07:19:43,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:43,310 INFO L471 AbstractCegarLoop]: Abstraction has 2616 states and 5253 transitions. [2024-11-09 07:19:43,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.272727272727273) internal successors, (135), 12 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 5253 transitions. [2024-11-09 07:19:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 07:19:43,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:43,318 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:43,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 07:19:43,319 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:43,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:43,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1875615124, now seen corresponding path program 1 times [2024-11-09 07:19:43,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:43,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960090138] [2024-11-09 07:19:43,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:43,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 07:19:44,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:44,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960090138] [2024-11-09 07:19:44,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960090138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:44,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:44,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 07:19:44,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407963263] [2024-11-09 07:19:44,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:44,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 07:19:44,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:44,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 07:19:44,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-09 07:19:44,395 INFO L87 Difference]: Start difference. First operand 2616 states and 5253 transitions. Second operand has 12 states, 11 states have (on average 12.272727272727273) internal successors, (135), 12 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:45,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:45,241 INFO L93 Difference]: Finished difference Result 2616 states and 5253 transitions. [2024-11-09 07:19:45,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 07:19:45,242 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.272727272727273) internal successors, (135), 12 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2024-11-09 07:19:45,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:45,266 INFO L225 Difference]: With dead ends: 2616 [2024-11-09 07:19:45,266 INFO L226 Difference]: Without dead ends: 2274 [2024-11-09 07:19:45,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2024-11-09 07:19:45,269 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 559 mSDsluCounter, 1835 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 2253 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:45,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 2253 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 07:19:45,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2024-11-09 07:19:45,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 2247. [2024-11-09 07:19:45,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2247 states, 2245 states have (on average 1.9928730512249444) internal successors, (4474), 2246 states have internal predecessors, (4474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 2247 states and 4474 transitions. [2024-11-09 07:19:45,347 INFO L78 Accepts]: Start accepts. Automaton has 2247 states and 4474 transitions. Word has length 135 [2024-11-09 07:19:45,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:45,347 INFO L471 AbstractCegarLoop]: Abstraction has 2247 states and 4474 transitions. [2024-11-09 07:19:45,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.272727272727273) internal successors, (135), 12 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 4474 transitions. [2024-11-09 07:19:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 07:19:45,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:45,352 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:45,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 07:19:45,353 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:45,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:45,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1581052855, now seen corresponding path program 1 times [2024-11-09 07:19:45,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:45,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297077308] [2024-11-09 07:19:45,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:45,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 07:19:45,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:45,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297077308] [2024-11-09 07:19:45,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297077308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:45,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:45,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:19:45,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031139487] [2024-11-09 07:19:45,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:45,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:19:45,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:45,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:19:45,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:19:45,535 INFO L87 Difference]: Start difference. First operand 2247 states and 4474 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:45,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:45,655 INFO L93 Difference]: Finished difference Result 3693 states and 7304 transitions. [2024-11-09 07:19:45,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:19:45,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2024-11-09 07:19:45,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:45,681 INFO L225 Difference]: With dead ends: 3693 [2024-11-09 07:19:45,681 INFO L226 Difference]: Without dead ends: 2920 [2024-11-09 07:19:45,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:19:45,685 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 107 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:45,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 593 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:45,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2920 states. [2024-11-09 07:19:45,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2920 to 2187. [2024-11-09 07:19:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2187 states, 2185 states have (on average 1.977116704805492) internal successors, (4320), 2186 states have internal predecessors, (4320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 4320 transitions. [2024-11-09 07:19:45,772 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 4320 transitions. Word has length 137 [2024-11-09 07:19:45,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:45,773 INFO L471 AbstractCegarLoop]: Abstraction has 2187 states and 4320 transitions. [2024-11-09 07:19:45,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:45,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 4320 transitions. [2024-11-09 07:19:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 07:19:45,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:45,783 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:45,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 07:19:45,783 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:45,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:45,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1441623486, now seen corresponding path program 1 times [2024-11-09 07:19:45,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:45,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930948014] [2024-11-09 07:19:45,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:45,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 07:19:46,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:46,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930948014] [2024-11-09 07:19:46,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930948014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:46,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:46,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:19:46,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469885914] [2024-11-09 07:19:46,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:46,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:19:46,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:46,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:19:46,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:19:46,018 INFO L87 Difference]: Start difference. First operand 2187 states and 4320 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:46,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:46,210 INFO L93 Difference]: Finished difference Result 3295 states and 6483 transitions. [2024-11-09 07:19:46,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:19:46,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2024-11-09 07:19:46,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:46,236 INFO L225 Difference]: With dead ends: 3295 [2024-11-09 07:19:46,236 INFO L226 Difference]: Without dead ends: 2710 [2024-11-09 07:19:46,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:19:46,241 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 59 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:46,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 452 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:46,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2024-11-09 07:19:46,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2249. [2024-11-09 07:19:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 2247 states have (on average 1.9670672007120604) internal successors, (4420), 2248 states have internal predecessors, (4420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 4420 transitions. [2024-11-09 07:19:46,326 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 4420 transitions. Word has length 137 [2024-11-09 07:19:46,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:46,329 INFO L471 AbstractCegarLoop]: Abstraction has 2249 states and 4420 transitions. [2024-11-09 07:19:46,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 4420 transitions. [2024-11-09 07:19:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 07:19:46,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:46,334 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:46,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 07:19:46,335 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:46,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash -512432215, now seen corresponding path program 1 times [2024-11-09 07:19:46,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:46,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973659431] [2024-11-09 07:19:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:46,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 07:19:46,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:46,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973659431] [2024-11-09 07:19:46,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973659431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:46,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:46,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:19:46,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492767340] [2024-11-09 07:19:46,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:46,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:19:46,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:46,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:19:46,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:19:46,548 INFO L87 Difference]: Start difference. First operand 2249 states and 4420 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:46,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:46,783 INFO L93 Difference]: Finished difference Result 3312 states and 6506 transitions. [2024-11-09 07:19:46,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:19:46,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2024-11-09 07:19:46,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:46,810 INFO L225 Difference]: With dead ends: 3312 [2024-11-09 07:19:46,811 INFO L226 Difference]: Without dead ends: 2727 [2024-11-09 07:19:46,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:19:46,815 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 56 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:46,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 587 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:46,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2727 states. [2024-11-09 07:19:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2727 to 2148. [2024-11-09 07:19:46,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 2146 states have (on average 1.9799627213420317) internal successors, (4249), 2147 states have internal predecessors, (4249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 4249 transitions. [2024-11-09 07:19:46,901 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 4249 transitions. Word has length 137 [2024-11-09 07:19:46,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:46,901 INFO L471 AbstractCegarLoop]: Abstraction has 2148 states and 4249 transitions. [2024-11-09 07:19:46,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 4249 transitions. [2024-11-09 07:19:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 07:19:46,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:46,908 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:46,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 07:19:46,908 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:46,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:46,909 INFO L85 PathProgramCache]: Analyzing trace with hash 437323892, now seen corresponding path program 1 times [2024-11-09 07:19:46,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:46,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620889837] [2024-11-09 07:19:46,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:46,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 07:19:47,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:47,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620889837] [2024-11-09 07:19:47,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620889837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:47,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:47,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:19:47,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992530435] [2024-11-09 07:19:47,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:47,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:19:47,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:47,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:19:47,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:19:47,120 INFO L87 Difference]: Start difference. First operand 2148 states and 4249 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:47,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:47,302 INFO L93 Difference]: Finished difference Result 3836 states and 7677 transitions. [2024-11-09 07:19:47,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:19:47,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 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 149 [2024-11-09 07:19:47,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:47,336 INFO L225 Difference]: With dead ends: 3836 [2024-11-09 07:19:47,336 INFO L226 Difference]: Without dead ends: 3143 [2024-11-09 07:19:47,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:19:47,340 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 94 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:47,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 541 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:19:47,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3143 states. [2024-11-09 07:19:47,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3143 to 2668. [2024-11-09 07:19:47,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2668 states, 2666 states have (on average 2.0018754688672167) internal successors, (5337), 2667 states have internal predecessors, (5337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 5337 transitions. [2024-11-09 07:19:47,451 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 5337 transitions. Word has length 149 [2024-11-09 07:19:47,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:47,452 INFO L471 AbstractCegarLoop]: Abstraction has 2668 states and 5337 transitions. [2024-11-09 07:19:47,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 5337 transitions. [2024-11-09 07:19:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 07:19:47,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:47,459 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:47,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 07:19:47,460 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:47,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:47,461 INFO L85 PathProgramCache]: Analyzing trace with hash 33125534, now seen corresponding path program 1 times [2024-11-09 07:19:47,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:47,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504218235] [2024-11-09 07:19:47,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:47,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 38 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:19:47,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:47,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504218235] [2024-11-09 07:19:47,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504218235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:19:47,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350711356] [2024-11-09 07:19:47,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:47,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:19:47,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:19:47,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:19:47,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:19:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:47,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 07:19:48,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:19:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:19:48,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:19:48,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350711356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:48,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 07:19:48,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-11-09 07:19:48,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113943665] [2024-11-09 07:19:48,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:48,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 07:19:48,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:48,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 07:19:48,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-09 07:19:48,471 INFO L87 Difference]: Start difference. First operand 2668 states and 5337 transitions. Second operand has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:48,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:48,797 INFO L93 Difference]: Finished difference Result 3284 states and 6529 transitions. [2024-11-09 07:19:48,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 07:19:48,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2024-11-09 07:19:48,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:48,828 INFO L225 Difference]: With dead ends: 3284 [2024-11-09 07:19:48,828 INFO L226 Difference]: Without dead ends: 2594 [2024-11-09 07:19:48,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-09 07:19:48,832 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 99 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:48,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 722 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:48,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2024-11-09 07:19:48,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2587. [2024-11-09 07:19:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2587 states, 2585 states have (on average 2.0054158607350097) internal successors, (5184), 2586 states have internal predecessors, (5184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2587 states and 5184 transitions. [2024-11-09 07:19:48,926 INFO L78 Accepts]: Start accepts. Automaton has 2587 states and 5184 transitions. Word has length 149 [2024-11-09 07:19:48,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:48,927 INFO L471 AbstractCegarLoop]: Abstraction has 2587 states and 5184 transitions. [2024-11-09 07:19:48,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 5184 transitions. [2024-11-09 07:19:48,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 07:19:48,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:48,933 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:48,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:19:49,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b431d204-56b4-48b2-9a09-bb515f4cf5d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 07:19:49,135 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-09 07:19:49,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:49,136 INFO L85 PathProgramCache]: Analyzing trace with hash 2054013140, now seen corresponding path program 1 times [2024-11-09 07:19:49,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:49,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767802270] [2024-11-09 07:19:49,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:49,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:19:49,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:19:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:19:49,365 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:19:49,365 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:19:49,367 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 16 remaining) [2024-11-09 07:19:49,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2024-11-09 07:19:49,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2024-11-09 07:19:49,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2024-11-09 07:19:49,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2024-11-09 07:19:49,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2024-11-09 07:19:49,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2024-11-09 07:19:49,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2024-11-09 07:19:49,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2024-11-09 07:19:49,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2024-11-09 07:19:49,372 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2024-11-09 07:19:49,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2024-11-09 07:19:49,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2024-11-09 07:19:49,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2024-11-09 07:19:49,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2024-11-09 07:19:49,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2024-11-09 07:19:49,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 07:19:49,379 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:19:49,381 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 07:19:49,381 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-09 07:19:49,437 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 07:19:49,446 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 234 places, 251 transitions, 518 flow [2024-11-09 07:19:55,842 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 184858 states, 184576 states have (on average 3.179340759361997) internal successors, (586830), 184857 states have internal predecessors, (586830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:55,844 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:19:55,845 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;@6390f49c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:19:55,853 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-09 07:19:56,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 184858 states, 184576 states have (on average 3.179340759361997) internal successors, (586830), 184857 states have internal predecessors, (586830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:19:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 07:19:56,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:56,212 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] [2024-11-09 07:19:56,213 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-09 07:19:56,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:56,213 INFO L85 PathProgramCache]: Analyzing trace with hash 253128562, now seen corresponding path program 1 times [2024-11-09 07:19:56,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:56,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211758868] [2024-11-09 07:19:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:56,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:56,243 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 07:19:56,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:56,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211758868] [2024-11-09 07:19:56,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211758868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:56,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:56,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:19:56,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609312736] [2024-11-09 07:19:56,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:56,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:56,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:56,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:56,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:56,483 INFO L87 Difference]: Start difference. First operand has 184858 states, 184576 states have (on average 3.179340759361997) internal successors, (586830), 184857 states have internal predecessors, (586830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:20:02,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:20:02,221 INFO L93 Difference]: Finished difference Result 369693 states and 1173637 transitions. [2024-11-09 07:20:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:20:02,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2024-11-09 07:20:02,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:20:04,313 INFO L225 Difference]: With dead ends: 369693 [2024-11-09 07:20:04,313 INFO L226 Difference]: Without dead ends: 184644 [2024-11-09 07:20:04,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:20:04,565 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 2 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:20:04,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 441 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:20:04,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184644 states. [2024-11-09 07:20:12,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184644 to 184644. [2024-11-09 07:20:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184644 states, 184367 states have (on average 3.179820683744922) internal successors, (586254), 184643 states have internal predecessors, (586254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:20:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184644 states to 184644 states and 586254 transitions. [2024-11-09 07:20:13,642 INFO L78 Accepts]: Start accepts. Automaton has 184644 states and 586254 transitions. Word has length 37 [2024-11-09 07:20:13,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:20:13,642 INFO L471 AbstractCegarLoop]: Abstraction has 184644 states and 586254 transitions. [2024-11-09 07:20:13,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:20:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 184644 states and 586254 transitions. [2024-11-09 07:20:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 07:20:13,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:20:13,643 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] [2024-11-09 07:20:13,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 07:20:13,644 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-09 07:20:13,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:20:13,644 INFO L85 PathProgramCache]: Analyzing trace with hash 428411868, now seen corresponding path program 1 times [2024-11-09 07:20:13,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:20:13,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217762757] [2024-11-09 07:20:13,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:20:13,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:20:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:20:13,677 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 07:20:13,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:20:13,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217762757] [2024-11-09 07:20:13,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217762757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:20:13,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:20:13,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:20:13,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352861932] [2024-11-09 07:20:13,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:20:13,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:20:13,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:20:13,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:20:13,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:20:13,680 INFO L87 Difference]: Start difference. First operand 184644 states and 586254 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:20:18,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:20:18,251 INFO L93 Difference]: Finished difference Result 300057 states and 955434 transitions. [2024-11-09 07:20:18,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:20:18,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2024-11-09 07:20:18,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:20:21,274 INFO L225 Difference]: With dead ends: 300057 [2024-11-09 07:20:21,275 INFO L226 Difference]: Without dead ends: 288073 [2024-11-09 07:20:21,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:20:21,358 INFO L432 NwaCegarLoop]: 328 mSDtfsCounter, 194 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:20:21,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 534 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 07:20:21,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288073 states. [2024-11-09 07:20:28,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288073 to 191293. [2024-11-09 07:20:28,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191293 states, 191026 states have (on average 3.1656528430684827) internal successors, (604722), 191292 states have internal predecessors, (604722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:20:30,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191293 states to 191293 states and 604722 transitions. [2024-11-09 07:20:31,027 INFO L78 Accepts]: Start accepts. Automaton has 191293 states and 604722 transitions. Word has length 46 [2024-11-09 07:20:31,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:20:31,028 INFO L471 AbstractCegarLoop]: Abstraction has 191293 states and 604722 transitions. [2024-11-09 07:20:31,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:20:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 191293 states and 604722 transitions. [2024-11-09 07:20:31,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 07:20:31,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:20:31,029 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] [2024-11-09 07:20:31,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 07:20:31,029 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2024-11-09 07:20:31,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:20:31,030 INFO L85 PathProgramCache]: Analyzing trace with hash 229163930, now seen corresponding path program 1 times [2024-11-09 07:20:31,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:20:31,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315547857] [2024-11-09 07:20:31,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:20:31,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:20:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:20:31,059 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 07:20:31,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:20:31,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315547857] [2024-11-09 07:20:31,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315547857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:20:31,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:20:31,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:20:31,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173329779] [2024-11-09 07:20:31,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:20:31,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:20:31,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:20:31,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:20:31,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:20:31,062 INFO L87 Difference]: Start difference. First operand 191293 states and 604722 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:20:33,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:20:33,823 INFO L93 Difference]: Finished difference Result 191630 states and 605449 transitions. [2024-11-09 07:20:33,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:20:33,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-09 07:20:33,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:20:34,964 INFO L225 Difference]: With dead ends: 191630 [2024-11-09 07:20:34,964 INFO L226 Difference]: Without dead ends: 180865 [2024-11-09 07:20:35,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:20:35,042 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 199 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:20:35,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 544 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:20:36,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180865 states.