./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b5ad22496d50c8537256f76c6605916315b4e46bfea0d123c3dfe0ede8ccd5c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:41:41,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:41:41,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 16:41:41,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:41:41,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:41:41,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:41:41,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:41:41,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:41:41,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:41:41,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:41:41,416 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:41:41,417 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:41:41,417 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:41:41,418 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:41:41,418 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:41:41,419 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:41:41,419 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:41:41,420 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:41:41,420 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:41:41,421 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:41:41,421 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:41:41,422 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:41:41,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:41:41,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:41:41,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:41:41,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:41:41,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:41:41,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:41:41,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:41:41,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:41:41,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:41:41,426 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 16:41:41,427 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:41:41,427 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:41:41,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:41:41,427 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:41:41,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:41:41,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:41:41,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:41:41,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:41:41,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:41:41,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:41:41,429 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:41:41,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:41:41,430 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:41:41,430 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:41:41,430 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:41:41,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:41:41,430 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_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b5ad22496d50c8537256f76c6605916315b4e46bfea0d123c3dfe0ede8ccd5c [2023-12-02 16:41:41,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:41:41,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:41:41,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:41:41,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:41:41,677 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:41:41,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-races/race-2_3b-container_of.i [2023-12-02 16:41:44,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:41:44,662 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:41:44,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/sv-benchmarks/c/ldv-races/race-2_3b-container_of.i [2023-12-02 16:41:44,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/data/d25f76ea8/07de0b08b7a54950ab058c52b7bf45bc/FLAG929e1188f [2023-12-02 16:41:44,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/data/d25f76ea8/07de0b08b7a54950ab058c52b7bf45bc [2023-12-02 16:41:44,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:41:44,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:41:44,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:41:44,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:41:44,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:41:44,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:41:44" (1/1) ... [2023-12-02 16:41:44,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f849a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:44, skipping insertion in model container [2023-12-02 16:41:44,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:41:44" (1/1) ... [2023-12-02 16:41:44,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:41:45,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:41:45,229 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:41:45,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:41:45,342 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:41:45,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45 WrapperNode [2023-12-02 16:41:45,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:41:45,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:41:45,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:41:45,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:41:45,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,409 INFO L138 Inliner]: procedures = 246, calls = 50, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 236 [2023-12-02 16:41:45,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:41:45,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:41:45,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:41:45,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:41:45,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:41:45,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:41:45,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:41:45,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:41:45,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (1/1) ... [2023-12-02 16:41:45,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:41:45,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:41:45,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:41:45,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234a7a0c-e5bc-4a8d-a7e3-9b18de2281a3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:41:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-12-02 16:41:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-12-02 16:41:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 16:41:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 16:41:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 16:41:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 16:41:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 16:41:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 16:41:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:41:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 16:41:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:41:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:41:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:41:45,567 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 16:41:45,792 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:41:45,794 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:41:46,184 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:41:46,205 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:41:46,205 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 16:41:46,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:41:46 BoogieIcfgContainer [2023-12-02 16:41:46,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:41:46,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:41:46,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:41:46,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:41:46,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:41:44" (1/3) ... [2023-12-02 16:41:46,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543d5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:41:46, skipping insertion in model container [2023-12-02 16:41:46,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:41:45" (2/3) ... [2023-12-02 16:41:46,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543d5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:41:46, skipping insertion in model container [2023-12-02 16:41:46,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:41:46" (3/3) ... [2023-12-02 16:41:46,216 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3b-container_of.i [2023-12-02 16:41:46,224 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 16:41:46,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:41:46,233 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-12-02 16:41:46,233 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 16:41:46,317 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 16:41:46,354 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 357 places, 365 transitions, 744 flow [2023-12-02 16:41:51,265 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 249655 states, 249466 states have (on average 2.9965967306165973) internal successors, (747549), 249654 states have internal predecessors, (747549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:41:51,281 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:41:51,286 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@63cc32fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:41:51,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-12-02 16:41:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 249655 states, 249466 states have (on average 2.9965967306165973) internal successors, (747549), 249654 states have internal predecessors, (747549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:41:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 16:41:51,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:41:51,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:41:51,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:41:51,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:41:51,815 INFO L85 PathProgramCache]: Analyzing trace with hash 742578115, now seen corresponding path program 1 times [2023-12-02 16:41:51,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:41:51,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996012976] [2023-12-02 16:41:51,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:41:51,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:41:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:41:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:41:52,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:41:52,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996012976] [2023-12-02 16:41:52,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996012976] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:41:52,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:41:52,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:41:52,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169821478] [2023-12-02 16:41:52,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:41:52,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:41:52,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:41:52,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:41:52,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:41:52,974 INFO L87 Difference]: Start difference. First operand has 249655 states, 249466 states have (on average 2.9965967306165973) internal successors, (747549), 249654 states have internal predecessors, (747549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:41:55,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:41:55,454 INFO L93 Difference]: Finished difference Result 229473 states and 674553 transitions. [2023-12-02 16:41:55,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:41:55,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2023-12-02 16:41:55,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:41:56,615 INFO L225 Difference]: With dead ends: 229473 [2023-12-02 16:41:56,616 INFO L226 Difference]: Without dead ends: 228140 [2023-12-02 16:41:56,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:41:56,620 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 2 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:41:56,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 892 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 16:41:57,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228140 states. [2023-12-02 16:42:01,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228140 to 228140. [2023-12-02 16:42:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228140 states, 227894 states have (on average 2.9424820311197313) internal successors, (670574), 228139 states have internal predecessors, (670574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228140 states to 228140 states and 670574 transitions. [2023-12-02 16:42:03,262 INFO L78 Accepts]: Start accepts. Automaton has 228140 states and 670574 transitions. Word has length 36 [2023-12-02 16:42:03,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:42:03,263 INFO L495 AbstractCegarLoop]: Abstraction has 228140 states and 670574 transitions. [2023-12-02 16:42:03,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 228140 states and 670574 transitions. [2023-12-02 16:42:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 16:42:03,265 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:42:03,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:42:03,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:42:03,265 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:42:03,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:42:03,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1526084260, now seen corresponding path program 1 times [2023-12-02 16:42:03,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:42:03,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198511052] [2023-12-02 16:42:03,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:42:03,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:42:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:42:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:42:03,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:42:03,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198511052] [2023-12-02 16:42:03,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198511052] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:42:03,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:42:03,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:42:03,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257986614] [2023-12-02 16:42:03,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:42:03,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:42:03,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:42:03,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:42:03,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:42:03,614 INFO L87 Difference]: Start difference. First operand 228140 states and 670574 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:05,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:42:05,506 INFO L93 Difference]: Finished difference Result 228139 states and 670573 transitions. [2023-12-02 16:42:05,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:42:05,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2023-12-02 16:42:05,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:42:06,190 INFO L225 Difference]: With dead ends: 228139 [2023-12-02 16:42:06,190 INFO L226 Difference]: Without dead ends: 228139 [2023-12-02 16:42:06,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:42:06,192 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 1 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:42:06,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 867 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 16:42:07,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228139 states. [2023-12-02 16:42:10,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228139 to 228139. [2023-12-02 16:42:11,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228139 states, 227894 states have (on average 2.942477643114781) internal successors, (670573), 228138 states have internal predecessors, (670573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228139 states to 228139 states and 670573 transitions. [2023-12-02 16:42:12,060 INFO L78 Accepts]: Start accepts. Automaton has 228139 states and 670573 transitions. Word has length 44 [2023-12-02 16:42:12,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:42:12,060 INFO L495 AbstractCegarLoop]: Abstraction has 228139 states and 670573 transitions. [2023-12-02 16:42:12,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 228139 states and 670573 transitions. [2023-12-02 16:42:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 16:42:12,065 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:42:12,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:42:12,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 16:42:12,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:42:12,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:42:12,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1566904273, now seen corresponding path program 1 times [2023-12-02 16:42:12,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:42:12,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368382608] [2023-12-02 16:42:12,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:42:12,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:42:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:42:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:42:12,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:42:12,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368382608] [2023-12-02 16:42:12,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368382608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:42:12,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:42:12,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:42:12,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950158249] [2023-12-02 16:42:12,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:42:12,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:42:12,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:42:12,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:42:12,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:42:12,662 INFO L87 Difference]: Start difference. First operand 228139 states and 670573 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:14,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:42:14,594 INFO L93 Difference]: Finished difference Result 235529 states and 692335 transitions. [2023-12-02 16:42:14,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:42:14,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2023-12-02 16:42:14,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:42:15,719 INFO L225 Difference]: With dead ends: 235529 [2023-12-02 16:42:15,719 INFO L226 Difference]: Without dead ends: 235529 [2023-12-02 16:42:15,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:42:15,721 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 226 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:42:15,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 894 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 16:42:16,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235529 states. [2023-12-02 16:42:20,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235529 to 234017. [2023-12-02 16:42:21,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234017 states, 233773 states have (on average 2.9425168860390207) internal successors, (687881), 234016 states have internal predecessors, (687881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:21,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234017 states to 234017 states and 687881 transitions. [2023-12-02 16:42:21,850 INFO L78 Accepts]: Start accepts. Automaton has 234017 states and 687881 transitions. Word has length 67 [2023-12-02 16:42:21,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:42:21,851 INFO L495 AbstractCegarLoop]: Abstraction has 234017 states and 687881 transitions. [2023-12-02 16:42:21,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 234017 states and 687881 transitions. [2023-12-02 16:42:21,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 16:42:21,854 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:42:21,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:42:21,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 16:42:21,855 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:42:21,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:42:21,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1259442128, now seen corresponding path program 1 times [2023-12-02 16:42:21,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:42:21,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474784954] [2023-12-02 16:42:21,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:42:21,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:42:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:42:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:42:21,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:42:21,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474784954] [2023-12-02 16:42:21,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474784954] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:42:21,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:42:21,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:42:21,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586357719] [2023-12-02 16:42:21,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:42:21,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:42:21,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:42:21,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:42:21,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:42:21,993 INFO L87 Difference]: Start difference. First operand 234017 states and 687881 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:23,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:42:23,316 INFO L93 Difference]: Finished difference Result 234046 states and 687909 transitions. [2023-12-02 16:42:23,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:42:23,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-02 16:42:23,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:42:23,955 INFO L225 Difference]: With dead ends: 234046 [2023-12-02 16:42:23,955 INFO L226 Difference]: Without dead ends: 234046 [2023-12-02 16:42:23,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 16:42:23,956 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 87 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:42:23,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1240 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:42:24,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234046 states. [2023-12-02 16:42:28,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234046 to 234006. [2023-12-02 16:42:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234006 states, 233763 states have (on average 2.942595705907265) internal successors, (687870), 234005 states have internal predecessors, (687870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234006 states to 234006 states and 687870 transitions. [2023-12-02 16:42:29,536 INFO L78 Accepts]: Start accepts. Automaton has 234006 states and 687870 transitions. Word has length 68 [2023-12-02 16:42:29,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:42:29,537 INFO L495 AbstractCegarLoop]: Abstraction has 234006 states and 687870 transitions. [2023-12-02 16:42:29,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:29,537 INFO L276 IsEmpty]: Start isEmpty. Operand 234006 states and 687870 transitions. [2023-12-02 16:42:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 16:42:29,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:42:29,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:42:29,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 16:42:29,540 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:42:29,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:42:29,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1895449331, now seen corresponding path program 1 times [2023-12-02 16:42:29,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:42:29,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703979346] [2023-12-02 16:42:29,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:42:29,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:42:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:42:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:42:30,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:42:30,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703979346] [2023-12-02 16:42:30,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703979346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:42:30,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:42:30,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:42:30,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635965773] [2023-12-02 16:42:30,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:42:30,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:42:30,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:42:30,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:42:30,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:42:30,560 INFO L87 Difference]: Start difference. First operand 234006 states and 687870 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:42:32,711 INFO L93 Difference]: Finished difference Result 241397 states and 709633 transitions. [2023-12-02 16:42:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:42:32,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2023-12-02 16:42:32,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:42:33,357 INFO L225 Difference]: With dead ends: 241397 [2023-12-02 16:42:33,357 INFO L226 Difference]: Without dead ends: 241397 [2023-12-02 16:42:33,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:42:33,359 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 225 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:42:33,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 1227 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 16:42:33,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241397 states. [2023-12-02 16:42:38,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241397 to 239885. [2023-12-02 16:42:38,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239885 states, 239642 states have (on average 2.9426352642692017) internal successors, (705179), 239884 states have internal predecessors, (705179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239885 states to 239885 states and 705179 transitions. [2023-12-02 16:42:39,558 INFO L78 Accepts]: Start accepts. Automaton has 239885 states and 705179 transitions. Word has length 69 [2023-12-02 16:42:39,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:42:39,558 INFO L495 AbstractCegarLoop]: Abstraction has 239885 states and 705179 transitions. [2023-12-02 16:42:39,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 239885 states and 705179 transitions. [2023-12-02 16:42:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 16:42:39,561 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:42:39,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:42:39,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 16:42:39,561 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:42:39,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:42:39,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1286754582, now seen corresponding path program 1 times [2023-12-02 16:42:39,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:42:39,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424362562] [2023-12-02 16:42:39,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:42:39,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:42:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:42:40,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:42:40,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:42:40,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424362562] [2023-12-02 16:42:40,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424362562] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:42:40,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:42:40,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:42:40,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342854720] [2023-12-02 16:42:40,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:42:40,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:42:40,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:42:40,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:42:40,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:42:40,006 INFO L87 Difference]: Start difference. First operand 239885 states and 705179 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:42,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:42:42,453 INFO L93 Difference]: Finished difference Result 267645 states and 787572 transitions. [2023-12-02 16:42:42,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:42:42,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2023-12-02 16:42:42,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:42:43,168 INFO L225 Difference]: With dead ends: 267645 [2023-12-02 16:42:43,168 INFO L226 Difference]: Without dead ends: 267645 [2023-12-02 16:42:43,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:42:43,169 INFO L413 NwaCegarLoop]: 734 mSDtfsCounter, 534 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:42:43,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 1540 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 16:42:44,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267645 states. [2023-12-02 16:42:48,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267645 to 261832. [2023-12-02 16:42:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261832 states, 261589 states have (on average 2.9447644969780837) internal successors, (770318), 261831 states have internal predecessors, (770318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:50,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261832 states to 261832 states and 770318 transitions. [2023-12-02 16:42:50,482 INFO L78 Accepts]: Start accepts. Automaton has 261832 states and 770318 transitions. Word has length 71 [2023-12-02 16:42:50,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:42:50,482 INFO L495 AbstractCegarLoop]: Abstraction has 261832 states and 770318 transitions. [2023-12-02 16:42:50,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:42:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 261832 states and 770318 transitions. [2023-12-02 16:42:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 16:42:50,485 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:42:50,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:42:50,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 16:42:50,485 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:42:50,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:42:50,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1312366379, now seen corresponding path program 1 times [2023-12-02 16:42:50,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:42:50,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660496564] [2023-12-02 16:42:50,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:42:50,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:42:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:42:50,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:42:50,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:42:50,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660496564] [2023-12-02 16:42:50,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660496564] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:42:50,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:42:50,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:42:50,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500900717] [2023-12-02 16:42:50,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:42:50,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:42:50,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:42:50,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:42:50,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:42:50,788 INFO L87 Difference]: Start difference. First operand 261832 states and 770318 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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) [2023-12-02 16:42:52,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:42:52,632 INFO L93 Difference]: Finished difference Result 269360 states and 792490 transitions. [2023-12-02 16:42:52,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:42:52,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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 [2023-12-02 16:42:52,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:42:53,470 INFO L225 Difference]: With dead ends: 269360 [2023-12-02 16:42:53,470 INFO L226 Difference]: Without dead ends: 269360 [2023-12-02 16:42:53,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:42:53,471 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 227 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:42:53,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 814 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 16:42:54,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269360 states. [2023-12-02 16:42:59,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269360 to 267697. [2023-12-02 16:42:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267697 states, 267455 states have (on average 2.9447458450954365) internal successors, (787587), 267696 states have internal predecessors, (787587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:43:00,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267697 states to 267697 states and 787587 transitions. [2023-12-02 16:43:00,401 INFO L78 Accepts]: Start accepts. Automaton has 267697 states and 787587 transitions. Word has length 75 [2023-12-02 16:43:00,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:43:00,401 INFO L495 AbstractCegarLoop]: Abstraction has 267697 states and 787587 transitions. [2023-12-02 16:43:00,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 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) [2023-12-02 16:43:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 267697 states and 787587 transitions. [2023-12-02 16:43:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 16:43:00,404 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:43:00,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:43:00,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 16:43:00,405 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:43:00,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:43:00,405 INFO L85 PathProgramCache]: Analyzing trace with hash 12723300, now seen corresponding path program 1 times [2023-12-02 16:43:00,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:43:00,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489790753] [2023-12-02 16:43:00,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:43:00,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:43:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:43:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:43:01,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:43:01,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489790753] [2023-12-02 16:43:01,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489790753] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:43:01,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:43:01,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:43:01,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510176291] [2023-12-02 16:43:01,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:43:01,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:43:01,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:43:01,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:43:01,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:43:01,431 INFO L87 Difference]: Start difference. First operand 267697 states and 787587 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:43:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:43:03,495 INFO L93 Difference]: Finished difference Result 275226 states and 809760 transitions. [2023-12-02 16:43:03,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:43:03,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2023-12-02 16:43:03,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:43:04,272 INFO L225 Difference]: With dead ends: 275226 [2023-12-02 16:43:04,272 INFO L226 Difference]: Without dead ends: 275226 [2023-12-02 16:43:04,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:43:04,273 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 226 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:43:04,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 897 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 16:43:04,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275226 states. [2023-12-02 16:43:10,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275226 to 273563. [2023-12-02 16:43:10,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273563 states, 273321 states have (on average 2.9447316525257845) internal successors, (804857), 273562 states have internal predecessors, (804857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:43:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273563 states to 273563 states and 804857 transitions. [2023-12-02 16:43:11,273 INFO L78 Accepts]: Start accepts. Automaton has 273563 states and 804857 transitions. Word has length 77 [2023-12-02 16:43:11,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:43:11,274 INFO L495 AbstractCegarLoop]: Abstraction has 273563 states and 804857 transitions. [2023-12-02 16:43:11,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:43:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 273563 states and 804857 transitions. [2023-12-02 16:43:11,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 16:43:11,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:43:11,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:43:11,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 16:43:11,279 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-12-02 16:43:11,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:43:11,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1545960156, now seen corresponding path program 1 times [2023-12-02 16:43:11,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:43:11,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628590363] [2023-12-02 16:43:11,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:43:11,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:43:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:43:11,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:43:11,697 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:43:11,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628590363] [2023-12-02 16:43:11,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628590363] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:43:11,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:43:11,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 16:43:11,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005538924] [2023-12-02 16:43:11,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:43:11,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:43:11,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:43:11,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:43:11,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:43:11,700 INFO L87 Difference]: Start difference. First operand 273563 states and 804857 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:43:14,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:43:14,904 INFO L93 Difference]: Finished difference Result 302186 states and 889766 transitions. [2023-12-02 16:43:14,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:43:14,905 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2023-12-02 16:43:14,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:43:15,784 INFO L225 Difference]: With dead ends: 302186 [2023-12-02 16:43:15,784 INFO L226 Difference]: Without dead ends: 302186 [2023-12-02 16:43:15,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 16:43:15,785 INFO L413 NwaCegarLoop]: 732 mSDtfsCounter, 537 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1639 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:43:15,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1639 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1162 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 16:43:16,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302186 states.