./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E --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 678d0822783009bcb35d951b8e726d754b85c570b149dafb90ced3b5185856fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:10:47,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:10:47,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 04:10:47,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:10:47,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:10:47,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:10:47,440 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:10:47,440 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:10:47,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:10:47,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:10:47,441 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:10:47,441 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:10:47,441 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:10:47,441 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:10:47,441 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:10:47,442 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:10:47,442 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:10:47,442 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:10:47,442 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:10:47,442 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:10:47,443 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:10:47,443 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:10:47,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:10:47,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:10:47,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:10:47,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:10:47,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:10:47,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:10:47,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:10:47,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:10:47,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:10:47,444 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 04:10:47,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:10:47,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:10:47,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:10:47,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:10:47,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:10:47,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:10:47,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:10:47,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:10:47,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:10:47,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:10:47,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:10:47,446 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:10:47,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:10:47,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:10:47,447 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:10:47,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:10:47,447 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E 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 -> 678d0822783009bcb35d951b8e726d754b85c570b149dafb90ced3b5185856fb [2024-11-14 04:10:47,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:10:47,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:10:47,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:10:47,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:10:47,740 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:10:47,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i Unable to find full path for "g++" [2024-11-14 04:10:49,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:10:50,121 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:10:50,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-2.i [2024-11-14 04:10:50,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/data/e68bbf462/0889ef1c7ec04853b97813aacd356bf2/FLAG87d81a2a3 [2024-11-14 04:10:50,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/data/e68bbf462/0889ef1c7ec04853b97813aacd356bf2 [2024-11-14 04:10:50,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:10:50,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:10:50,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:10:50,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:10:50,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:10:50,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:10:50" (1/1) ... [2024-11-14 04:10:50,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8d0513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:50, skipping insertion in model container [2024-11-14 04:10:50,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:10:50" (1/1) ... [2024-11-14 04:10:50,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:10:50,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:10:50,792 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:10:50,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:10:51,016 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:10:51,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51 WrapperNode [2024-11-14 04:10:51,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:10:51,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:10:51,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:10:51,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:10:51,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,101 INFO L138 Inliner]: procedures = 270, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 265 [2024-11-14 04:10:51,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:10:51,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:10:51,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:10:51,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:10:51,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:10:51,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:10:51,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:10:51,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:10:51,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (1/1) ... [2024-11-14 04:10:51,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:10:51,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:10:51,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:10:51,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_707b4740-3e16-4242-b2a5-a0c4124ac122/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:10:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:10:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:10:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 04:10:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:10:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:10:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 04:10:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:10:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:10:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2024-11-14 04:10:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2024-11-14 04:10:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:10:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-14 04:10:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-14 04:10:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:10:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:10:51,280 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 04:10:51,534 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:10:51,538 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:10:52,395 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:10:52,395 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:10:52,452 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:10:52,453 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-14 04:10:52,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:10:52 BoogieIcfgContainer [2024-11-14 04:10:52,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:10:52,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:10:52,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:10:52,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:10:52,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:10:50" (1/3) ... [2024-11-14 04:10:52,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6c89e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:10:52, skipping insertion in model container [2024-11-14 04:10:52,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:10:51" (2/3) ... [2024-11-14 04:10:52,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6c89e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:10:52, skipping insertion in model container [2024-11-14 04:10:52,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:10:52" (3/3) ... [2024-11-14 04:10:52,465 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-2.i [2024-11-14 04:10:52,485 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:10:52,487 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG per-thread-array-join-counter-2.i that has 3 procedures, 374 locations, 1 initial locations, 5 loop locations, and 34 error locations. [2024-11-14 04:10:52,487 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:10:52,612 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 04:10:52,675 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 449 places, 458 transitions, 930 flow [2024-11-14 04:10:56,703 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119263 states, 118419 states have (on average 3.010800631655393) internal successors, (356536), 119262 states have internal predecessors, (356536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:10:56,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:10:56,757 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;@6ea97a33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:10:56,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-11-14 04:10:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 119263 states, 118419 states have (on average 3.010800631655393) internal successors, (356536), 119262 states have internal predecessors, (356536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:10:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 04:10:57,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:10:57,040 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:10:57,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-14 04:10:57,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:10:57,049 INFO L85 PathProgramCache]: Analyzing trace with hash 175309883, now seen corresponding path program 1 times [2024-11-14 04:10:57,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:10:57,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608630925] [2024-11-14 04:10:57,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:10:57,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:10:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:10:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:10:57,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:10:57,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608630925] [2024-11-14 04:10:57,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608630925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:10:57,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:10:57,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:10:57,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592762714] [2024-11-14 04:10:57,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:10:57,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:10:57,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:10:57,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:10:57,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:10:57,843 INFO L87 Difference]: Start difference. First operand has 119263 states, 118419 states have (on average 3.010800631655393) internal successors, (356536), 119262 states have internal predecessors, (356536), 0 states have call successors, (0), 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 71.5) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:01,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:01,448 INFO L93 Difference]: Finished difference Result 233284 states and 699592 transitions. [2024-11-14 04:11:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:11:01,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 71.5) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-11-14 04:11:01,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:02,507 INFO L225 Difference]: With dead ends: 233284 [2024-11-14 04:11:02,507 INFO L226 Difference]: Without dead ends: 114167 [2024-11-14 04:11:02,805 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 [2024-11-14 04:11:02,808 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 2 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:02,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 689 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:11:03,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114167 states. [2024-11-14 04:11:06,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114167 to 114167. [2024-11-14 04:11:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114167 states, 113389 states have (on average 2.9522352256391713) internal successors, (334751), 114166 states have internal predecessors, (334751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:07,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114167 states to 114167 states and 334751 transitions. [2024-11-14 04:11:08,067 INFO L78 Accepts]: Start accepts. Automaton has 114167 states and 334751 transitions. Word has length 143 [2024-11-14 04:11:08,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:08,072 INFO L471 AbstractCegarLoop]: Abstraction has 114167 states and 334751 transitions. [2024-11-14 04:11:08,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 71.5) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 114167 states and 334751 transitions. [2024-11-14 04:11:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-14 04:11:08,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:08,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:08,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:11:08,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-14 04:11:08,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:08,080 INFO L85 PathProgramCache]: Analyzing trace with hash -704575832, now seen corresponding path program 1 times [2024-11-14 04:11:08,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:11:08,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113808485] [2024-11-14 04:11:08,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:08,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:11:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:08,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:11:08,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113808485] [2024-11-14 04:11:08,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113808485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:08,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:08,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:11:08,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889615471] [2024-11-14 04:11:08,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:08,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:11:08,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:11:08,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:11:08,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:11:08,377 INFO L87 Difference]: Start difference. First operand 114167 states and 334751 transitions. Second operand has 3 states, 2 states have (on average 73.5) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:10,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:10,621 INFO L93 Difference]: Finished difference Result 114167 states and 334751 transitions. [2024-11-14 04:11:10,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:11:10,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 73.5) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2024-11-14 04:11:10,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:11,556 INFO L225 Difference]: With dead ends: 114167 [2024-11-14 04:11:11,557 INFO L226 Difference]: Without dead ends: 110810 [2024-11-14 04:11:11,633 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 [2024-11-14 04:11:11,635 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 214 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:11,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 487 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:11:11,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110810 states. [2024-11-14 04:11:14,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110810 to 110810. [2024-11-14 04:11:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110810 states, 110167 states have (on average 2.9494585492933454) internal successors, (324933), 110809 states have internal predecessors, (324933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:15,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110810 states to 110810 states and 324933 transitions. [2024-11-14 04:11:15,479 INFO L78 Accepts]: Start accepts. Automaton has 110810 states and 324933 transitions. Word has length 147 [2024-11-14 04:11:15,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:15,479 INFO L471 AbstractCegarLoop]: Abstraction has 110810 states and 324933 transitions. [2024-11-14 04:11:15,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 73.5) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 110810 states and 324933 transitions. [2024-11-14 04:11:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-14 04:11:15,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:15,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:15,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:11:15,482 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-14 04:11:15,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:15,483 INFO L85 PathProgramCache]: Analyzing trace with hash -838512952, now seen corresponding path program 1 times [2024-11-14 04:11:15,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:11:15,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841239640] [2024-11-14 04:11:15,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:15,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:11:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:15,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:15,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:11:15,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841239640] [2024-11-14 04:11:15,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841239640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:15,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:15,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:11:15,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171412891] [2024-11-14 04:11:15,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:15,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:11:15,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:11:15,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:11:15,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:11:15,671 INFO L87 Difference]: Start difference. First operand 110810 states and 324933 transitions. Second operand has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:17,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:17,044 INFO L93 Difference]: Finished difference Result 110810 states and 324933 transitions. [2024-11-14 04:11:17,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:11:17,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2024-11-14 04:11:17,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:17,457 INFO L225 Difference]: With dead ends: 110810 [2024-11-14 04:11:17,458 INFO L226 Difference]: Without dead ends: 110809 [2024-11-14 04:11:17,484 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 [2024-11-14 04:11:17,484 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 2 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:17,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 683 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:11:17,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110809 states. [2024-11-14 04:11:20,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110809 to 110809. [2024-11-14 04:11:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110809 states, 110167 states have (on average 2.9494494721649858) internal successors, (324932), 110808 states have internal predecessors, (324932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110809 states to 110809 states and 324932 transitions. [2024-11-14 04:11:20,659 INFO L78 Accepts]: Start accepts. Automaton has 110809 states and 324932 transitions. Word has length 160 [2024-11-14 04:11:20,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:20,660 INFO L471 AbstractCegarLoop]: Abstraction has 110809 states and 324932 transitions. [2024-11-14 04:11:20,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 80.0) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand 110809 states and 324932 transitions. [2024-11-14 04:11:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-14 04:11:20,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:20,662 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:20,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:11:20,663 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-14 04:11:20,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:20,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1216038295, now seen corresponding path program 1 times [2024-11-14 04:11:20,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:11:20,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036836335] [2024-11-14 04:11:20,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:20,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:11:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:20,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:11:20,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036836335] [2024-11-14 04:11:20,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036836335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:20,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:20,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:11:20,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173233819] [2024-11-14 04:11:20,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:20,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:11:20,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:11:20,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:11:20,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:11:20,837 INFO L87 Difference]: Start difference. First operand 110809 states and 324932 transitions. Second operand has 3 states, 2 states have (on average 86.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:22,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:22,081 INFO L93 Difference]: Finished difference Result 110809 states and 324932 transitions. [2024-11-14 04:11:22,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:11:22,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 86.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2024-11-14 04:11:22,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:22,448 INFO L225 Difference]: With dead ends: 110809 [2024-11-14 04:11:22,449 INFO L226 Difference]: Without dead ends: 110808 [2024-11-14 04:11:22,481 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 [2024-11-14 04:11:22,482 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 2 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:22,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 678 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:11:22,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110808 states. [2024-11-14 04:11:25,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110808 to 110808. [2024-11-14 04:11:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110808 states, 110167 states have (on average 2.949440395036626) internal successors, (324931), 110807 states have internal predecessors, (324931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:25,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110808 states to 110808 states and 324931 transitions. [2024-11-14 04:11:25,898 INFO L78 Accepts]: Start accepts. Automaton has 110808 states and 324931 transitions. Word has length 172 [2024-11-14 04:11:25,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:25,898 INFO L471 AbstractCegarLoop]: Abstraction has 110808 states and 324931 transitions. [2024-11-14 04:11:25,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 86.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:25,899 INFO L276 IsEmpty]: Start isEmpty. Operand 110808 states and 324931 transitions. [2024-11-14 04:11:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-14 04:11:25,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:25,901 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:25,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:11:25,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-14 04:11:25,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:25,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1053058535, now seen corresponding path program 1 times [2024-11-14 04:11:25,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:11:25,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478628628] [2024-11-14 04:11:25,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:25,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:11:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:26,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:11:26,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478628628] [2024-11-14 04:11:26,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478628628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:26,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:26,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:11:26,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31589537] [2024-11-14 04:11:26,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:26,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:11:26,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:11:26,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:11:26,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:11:26,036 INFO L87 Difference]: Start difference. First operand 110808 states and 324931 transitions. Second operand has 3 states, 2 states have (on average 90.5) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:27,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:27,455 INFO L93 Difference]: Finished difference Result 110808 states and 324931 transitions. [2024-11-14 04:11:27,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:11:27,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 90.5) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2024-11-14 04:11:27,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:27,823 INFO L225 Difference]: With dead ends: 110808 [2024-11-14 04:11:27,824 INFO L226 Difference]: Without dead ends: 110807 [2024-11-14 04:11:27,850 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 [2024-11-14 04:11:27,851 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 2 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:27,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 673 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:11:27,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110807 states. [2024-11-14 04:11:30,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110807 to 110807. [2024-11-14 04:11:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110807 states, 110167 states have (on average 2.9494313179082665) internal successors, (324930), 110806 states have internal predecessors, (324930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110807 states to 110807 states and 324930 transitions. [2024-11-14 04:11:31,029 INFO L78 Accepts]: Start accepts. Automaton has 110807 states and 324930 transitions. Word has length 181 [2024-11-14 04:11:31,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:31,030 INFO L471 AbstractCegarLoop]: Abstraction has 110807 states and 324930 transitions. [2024-11-14 04:11:31,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 90.5) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 110807 states and 324930 transitions. [2024-11-14 04:11:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 04:11:31,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:31,033 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:31,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:11:31,033 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-14 04:11:31,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:31,033 INFO L85 PathProgramCache]: Analyzing trace with hash -2072356391, now seen corresponding path program 1 times [2024-11-14 04:11:31,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:11:31,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210634391] [2024-11-14 04:11:31,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:31,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:11:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:31,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:11:31,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210634391] [2024-11-14 04:11:31,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210634391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:31,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:31,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:11:31,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821168522] [2024-11-14 04:11:31,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:31,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:11:31,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:11:31,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:11:31,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:11:31,212 INFO L87 Difference]: Start difference. First operand 110807 states and 324930 transitions. Second operand has 3 states, 2 states have (on average 94.5) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:32,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:32,975 INFO L93 Difference]: Finished difference Result 112809 states and 330790 transitions. [2024-11-14 04:11:32,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:11:32,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 94.5) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 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 189 [2024-11-14 04:11:32,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:33,353 INFO L225 Difference]: With dead ends: 112809 [2024-11-14 04:11:33,353 INFO L226 Difference]: Without dead ends: 100878 [2024-11-14 04:11:33,390 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 [2024-11-14 04:11:33,391 INFO L432 NwaCegarLoop]: 424 mSDtfsCounter, 169 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:33,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 689 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:11:33,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100878 states. [2024-11-14 04:11:35,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100878 to 98876. [2024-11-14 04:11:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98876 states, 98535 states have (on average 2.9357588674075203) internal successors, (289275), 98875 states have internal predecessors, (289275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:36,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98876 states to 98876 states and 289275 transitions. [2024-11-14 04:11:36,324 INFO L78 Accepts]: Start accepts. Automaton has 98876 states and 289275 transitions. Word has length 189 [2024-11-14 04:11:36,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:11:36,325 INFO L471 AbstractCegarLoop]: Abstraction has 98876 states and 289275 transitions. [2024-11-14 04:11:36,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 94.5) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:36,325 INFO L276 IsEmpty]: Start isEmpty. Operand 98876 states and 289275 transitions. [2024-11-14 04:11:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-14 04:11:36,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:11:36,330 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:11:36,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:11:36,330 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-14 04:11:36,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:11:36,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1497427388, now seen corresponding path program 1 times [2024-11-14 04:11:36,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:11:36,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236243031] [2024-11-14 04:11:36,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:11:36,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:11:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:11:37,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:11:37,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:11:37,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236243031] [2024-11-14 04:11:37,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236243031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:11:37,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:11:37,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:11:37,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030912164] [2024-11-14 04:11:37,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:11:37,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:11:37,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:11:37,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:11:37,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:11:37,027 INFO L87 Difference]: Start difference. First operand 98876 states and 289275 transitions. Second operand has 3 states, 2 states have (on average 101.5) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:11:37,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:11:37,900 INFO L93 Difference]: Finished difference Result 99542 states and 290717 transitions. [2024-11-14 04:11:37,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:11:37,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 101.5) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 203 [2024-11-14 04:11:37,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:11:38,379 INFO L225 Difference]: With dead ends: 99542 [2024-11-14 04:11:38,379 INFO L226 Difference]: Without dead ends: 95101 [2024-11-14 04:11:38,415 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 [2024-11-14 04:11:38,416 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 152 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:11:38,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 645 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:11:39,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95101 states.