./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:53:30,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:53:31,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 06:53:31,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:53:31,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:53:31,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:53:31,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:53:31,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:53:31,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:53:31,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:53:31,084 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:53:31,084 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:53:31,085 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:53:31,085 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:53:31,085 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:53:31,086 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:53:31,086 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:53:31,087 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:53:31,087 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:53:31,087 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:53:31,088 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:53:31,089 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:53:31,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:53:31,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:53:31,090 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:53:31,091 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:53:31,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:53:31,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:53:31,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:53:31,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:53:31,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:53:31,110 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:53:31,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:53:31,111 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:53:31,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:53:31,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:53:31,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:53:31,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:53:31,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:53:31,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:53:31,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:53:31,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:53:31,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:53:31,116 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:53:31,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:53:31,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:53:31,117 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:53:31,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:53:31,117 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_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 [2024-11-09 06:53:31,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:53:31,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:53:31,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:53:31,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:53:31,434 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:53:31,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c Unable to find full path for "g++" [2024-11-09 06:53:33,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:53:33,667 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:53:33,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2024-11-09 06:53:33,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/data/d451a3284/c59c216c6a604762a747dddf171c16cd/FLAG700bb147d [2024-11-09 06:53:34,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/data/d451a3284/c59c216c6a604762a747dddf171c16cd [2024-11-09 06:53:34,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:53:34,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:53:34,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:53:34,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:53:34,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:53:34,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221946c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34, skipping insertion in model container [2024-11-09 06:53:34,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:53:34,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:53:34,382 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:53:34,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:53:34,446 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:53:34,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34 WrapperNode [2024-11-09 06:53:34,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:53:34,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:53:34,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:53:34,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:53:34,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,510 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 14, calls inlined = 18, statements flattened = 327 [2024-11-09 06:53:34,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:53:34,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:53:34,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:53:34,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:53:34,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:53:34,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:53:34,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:53:34,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:53:34,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (1/1) ... [2024-11-09 06:53:34,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:53:34,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:53:34,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:53:34,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676f66cf-a04d-46eb-b63c-8d1416fe1916/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:53:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:53:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:53:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:53:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:53:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:53:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:53:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:53:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:53:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:53:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:53:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:53:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:53:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:53:34,664 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:53:34,843 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:53:34,845 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:53:35,917 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:53:35,919 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:53:35,967 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:53:35,968 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 06:53:35,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:53:35 BoogieIcfgContainer [2024-11-09 06:53:35,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:53:35,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:53:35,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:53:35,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:53:35,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:53:34" (1/3) ... [2024-11-09 06:53:35,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549235cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:53:35, skipping insertion in model container [2024-11-09 06:53:35,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:34" (2/3) ... [2024-11-09 06:53:35,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549235cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:53:35, skipping insertion in model container [2024-11-09 06:53:35,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:53:35" (3/3) ... [2024-11-09 06:53:35,981 INFO L112 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2024-11-09 06:53:35,996 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:53:35,997 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2024-11-09 06:53:35,997 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:53:36,166 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 06:53:36,227 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 514 places, 537 transitions, 1088 flow [2024-11-09 06:53:36,586 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6707 states, 6612 states have (on average 2.6592558983666064) internal successors, (17583), 6706 states have internal predecessors, (17583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:36,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:53:36,638 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;@57ca4d55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:53:36,639 INFO L334 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2024-11-09 06:53:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 6707 states, 6612 states have (on average 2.6592558983666064) internal successors, (17583), 6706 states have internal predecessors, (17583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 06:53:36,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:36,667 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] [2024-11-09 06:53:36,668 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:36,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:36,675 INFO L85 PathProgramCache]: Analyzing trace with hash 689818590, now seen corresponding path program 1 times [2024-11-09 06:53:36,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:36,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603342919] [2024-11-09 06:53:36,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:36,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:36,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:36,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603342919] [2024-11-09 06:53:36,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603342919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:36,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:36,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:36,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200559356] [2024-11-09 06:53:36,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:36,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:36,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:36,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:36,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:36,952 INFO L87 Difference]: Start difference. First operand has 6707 states, 6612 states have (on average 2.6592558983666064) internal successors, (17583), 6706 states have internal predecessors, (17583), 0 states have call successors, (0), 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 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:37,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:37,318 INFO L93 Difference]: Finished difference Result 13379 states and 35130 transitions. [2024-11-09 06:53:37,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:37,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2024-11-09 06:53:37,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:37,409 INFO L225 Difference]: With dead ends: 13379 [2024-11-09 06:53:37,410 INFO L226 Difference]: Without dead ends: 6695 [2024-11-09 06:53:37,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:37,435 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 2 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:37,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 959 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:53:37,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6695 states. [2024-11-09 06:53:37,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6695 to 6695. [2024-11-09 06:53:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6695 states, 6601 states have (on average 2.600666565671868) internal successors, (17167), 6694 states have internal predecessors, (17167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6695 states to 6695 states and 17167 transitions. [2024-11-09 06:53:37,951 INFO L78 Accepts]: Start accepts. Automaton has 6695 states and 17167 transitions. Word has length 24 [2024-11-09 06:53:37,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:37,953 INFO L471 AbstractCegarLoop]: Abstraction has 6695 states and 17167 transitions. [2024-11-09 06:53:37,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 6695 states and 17167 transitions. [2024-11-09 06:53:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 06:53:37,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:37,956 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] [2024-11-09 06:53:37,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:53:37,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:37,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:37,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1929401053, now seen corresponding path program 1 times [2024-11-09 06:53:37,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:37,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840498583] [2024-11-09 06:53:37,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:37,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:38,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:38,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840498583] [2024-11-09 06:53:38,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840498583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:38,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:38,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:38,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474323746] [2024-11-09 06:53:38,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:38,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:38,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:38,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:38,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:38,043 INFO L87 Difference]: Start difference. First operand 6695 states and 17167 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:38,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:38,226 INFO L93 Difference]: Finished difference Result 6695 states and 17167 transitions. [2024-11-09 06:53:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:38,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2024-11-09 06:53:38,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:38,291 INFO L225 Difference]: With dead ends: 6695 [2024-11-09 06:53:38,291 INFO L226 Difference]: Without dead ends: 6471 [2024-11-09 06:53:38,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:38,300 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 446 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:38,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 492 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:53:38,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6471 states. [2024-11-09 06:53:38,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6471 to 6471. [2024-11-09 06:53:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6471 states, 6395 states have (on average 2.592806880375293) internal successors, (16581), 6470 states have internal predecessors, (16581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6471 states to 6471 states and 16581 transitions. [2024-11-09 06:53:38,650 INFO L78 Accepts]: Start accepts. Automaton has 6471 states and 16581 transitions. Word has length 28 [2024-11-09 06:53:38,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:38,650 INFO L471 AbstractCegarLoop]: Abstraction has 6471 states and 16581 transitions. [2024-11-09 06:53:38,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:38,652 INFO L276 IsEmpty]: Start isEmpty. Operand 6471 states and 16581 transitions. [2024-11-09 06:53:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 06:53:38,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:38,655 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] [2024-11-09 06:53:38,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:53:38,656 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:38,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:38,656 INFO L85 PathProgramCache]: Analyzing trace with hash -860554960, now seen corresponding path program 1 times [2024-11-09 06:53:38,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:38,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77659453] [2024-11-09 06:53:38,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:38,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:38,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:38,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77659453] [2024-11-09 06:53:38,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77659453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:38,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:38,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:38,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926346892] [2024-11-09 06:53:38,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:38,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:38,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:38,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:38,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:38,751 INFO L87 Difference]: Start difference. First operand 6471 states and 16581 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:38,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:38,889 INFO L93 Difference]: Finished difference Result 6471 states and 16581 transitions. [2024-11-09 06:53:38,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:38,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2024-11-09 06:53:38,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:38,942 INFO L225 Difference]: With dead ends: 6471 [2024-11-09 06:53:38,942 INFO L226 Difference]: Without dead ends: 6470 [2024-11-09 06:53:38,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:38,952 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 2 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:38,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 916 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:53:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6470 states. [2024-11-09 06:53:39,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6470 to 6470. [2024-11-09 06:53:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6470 states, 6395 states have (on average 2.592650508209539) internal successors, (16580), 6469 states have internal predecessors, (16580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:39,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6470 states to 6470 states and 16580 transitions. [2024-11-09 06:53:39,263 INFO L78 Accepts]: Start accepts. Automaton has 6470 states and 16580 transitions. Word has length 40 [2024-11-09 06:53:39,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:39,264 INFO L471 AbstractCegarLoop]: Abstraction has 6470 states and 16580 transitions. [2024-11-09 06:53:39,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:39,265 INFO L276 IsEmpty]: Start isEmpty. Operand 6470 states and 16580 transitions. [2024-11-09 06:53:39,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 06:53:39,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:39,266 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] [2024-11-09 06:53:39,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:53:39,267 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:39,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:39,267 INFO L85 PathProgramCache]: Analyzing trace with hash 200656370, now seen corresponding path program 1 times [2024-11-09 06:53:39,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:39,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948016993] [2024-11-09 06:53:39,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:39,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:39,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:39,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948016993] [2024-11-09 06:53:39,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948016993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:39,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:39,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:39,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086670731] [2024-11-09 06:53:39,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:39,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:39,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:39,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:39,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:39,357 INFO L87 Difference]: Start difference. First operand 6470 states and 16580 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 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) [2024-11-09 06:53:39,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:39,557 INFO L93 Difference]: Finished difference Result 6470 states and 16580 transitions. [2024-11-09 06:53:39,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:39,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 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 [2024-11-09 06:53:39,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:39,597 INFO L225 Difference]: With dead ends: 6470 [2024-11-09 06:53:39,597 INFO L226 Difference]: Without dead ends: 6353 [2024-11-09 06:53:39,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:39,602 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 419 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:39,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 497 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:39,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6353 states. [2024-11-09 06:53:39,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6353 to 6353. [2024-11-09 06:53:39,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6353 states, 6292 states have (on average 2.587730451366815) internal successors, (16282), 6352 states have internal predecessors, (16282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6353 states to 6353 states and 16282 transitions. [2024-11-09 06:53:39,902 INFO L78 Accepts]: Start accepts. Automaton has 6353 states and 16282 transitions. Word has length 44 [2024-11-09 06:53:39,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:39,904 INFO L471 AbstractCegarLoop]: Abstraction has 6353 states and 16282 transitions. [2024-11-09 06:53:39,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 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) [2024-11-09 06:53:39,905 INFO L276 IsEmpty]: Start isEmpty. Operand 6353 states and 16282 transitions. [2024-11-09 06:53:39,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 06:53:39,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:39,908 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] [2024-11-09 06:53:39,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:53:39,909 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:39,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:39,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1761447772, now seen corresponding path program 1 times [2024-11-09 06:53:39,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:39,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968357125] [2024-11-09 06:53:39,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:39,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:40,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:40,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:40,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968357125] [2024-11-09 06:53:40,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968357125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:40,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:40,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:40,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123276268] [2024-11-09 06:53:40,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:40,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:40,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:40,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:40,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:40,022 INFO L87 Difference]: Start difference. First operand 6353 states and 16282 transitions. Second operand has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 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) [2024-11-09 06:53:40,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:40,165 INFO L93 Difference]: Finished difference Result 6353 states and 16282 transitions. [2024-11-09 06:53:40,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:40,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 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 [2024-11-09 06:53:40,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:40,207 INFO L225 Difference]: With dead ends: 6353 [2024-11-09 06:53:40,208 INFO L226 Difference]: Without dead ends: 6352 [2024-11-09 06:53:40,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:40,214 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 1 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:40,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 915 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:40,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2024-11-09 06:53:40,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 6352. [2024-11-09 06:53:40,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6352 states, 6292 states have (on average 2.587571519389701) internal successors, (16281), 6351 states have internal predecessors, (16281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6352 states to 6352 states and 16281 transitions. [2024-11-09 06:53:40,588 INFO L78 Accepts]: Start accepts. Automaton has 6352 states and 16281 transitions. Word has length 69 [2024-11-09 06:53:40,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:40,589 INFO L471 AbstractCegarLoop]: Abstraction has 6352 states and 16281 transitions. [2024-11-09 06:53:40,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 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) [2024-11-09 06:53:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 6352 states and 16281 transitions. [2024-11-09 06:53:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 06:53:40,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:40,591 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] [2024-11-09 06:53:40,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:53:40,591 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:40,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:40,592 INFO L85 PathProgramCache]: Analyzing trace with hash -619059861, now seen corresponding path program 1 times [2024-11-09 06:53:40,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:40,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892993316] [2024-11-09 06:53:40,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:40,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:40,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:40,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892993316] [2024-11-09 06:53:40,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892993316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:40,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:40,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:40,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249618541] [2024-11-09 06:53:40,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:40,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:40,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:40,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:40,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:40,692 INFO L87 Difference]: Start difference. First operand 6352 states and 16281 transitions. Second operand has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:40,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:40,810 INFO L93 Difference]: Finished difference Result 6352 states and 16281 transitions. [2024-11-09 06:53:40,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:40,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2024-11-09 06:53:40,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:40,844 INFO L225 Difference]: With dead ends: 6352 [2024-11-09 06:53:40,845 INFO L226 Difference]: Without dead ends: 6185 [2024-11-09 06:53:40,850 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 [2024-11-09 06:53:40,852 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 387 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:40,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 533 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:40,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6185 states. [2024-11-09 06:53:41,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6185 to 6185. [2024-11-09 06:53:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6185 states, 6133 states have (on average 2.582749062449046) internal successors, (15840), 6184 states have internal predecessors, (15840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:41,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6185 states to 6185 states and 15840 transitions. [2024-11-09 06:53:41,144 INFO L78 Accepts]: Start accepts. Automaton has 6185 states and 15840 transitions. Word has length 72 [2024-11-09 06:53:41,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:41,146 INFO L471 AbstractCegarLoop]: Abstraction has 6185 states and 15840 transitions. [2024-11-09 06:53:41,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand 6185 states and 15840 transitions. [2024-11-09 06:53:41,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 06:53:41,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:41,150 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] [2024-11-09 06:53:41,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:53:41,151 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:41,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:41,151 INFO L85 PathProgramCache]: Analyzing trace with hash 987019628, now seen corresponding path program 1 times [2024-11-09 06:53:41,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:41,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414477061] [2024-11-09 06:53:41,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:41,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:41,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:41,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414477061] [2024-11-09 06:53:41,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414477061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:41,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:41,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:41,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641380907] [2024-11-09 06:53:41,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:41,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:41,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:41,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:41,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:41,241 INFO L87 Difference]: Start difference. First operand 6185 states and 15840 transitions. Second operand has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:41,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:41,364 INFO L93 Difference]: Finished difference Result 6185 states and 15840 transitions. [2024-11-09 06:53:41,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:41,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-11-09 06:53:41,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:41,398 INFO L225 Difference]: With dead ends: 6185 [2024-11-09 06:53:41,398 INFO L226 Difference]: Without dead ends: 6184 [2024-11-09 06:53:41,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:41,403 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 2 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:41,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 909 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:41,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6184 states. [2024-11-09 06:53:41,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6184 to 6184. [2024-11-09 06:53:41,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6184 states, 6133 states have (on average 2.582586010109245) internal successors, (15839), 6183 states have internal predecessors, (15839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:41,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6184 states to 6184 states and 15839 transitions. [2024-11-09 06:53:41,729 INFO L78 Accepts]: Start accepts. Automaton has 6184 states and 15839 transitions. Word has length 102 [2024-11-09 06:53:41,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:41,731 INFO L471 AbstractCegarLoop]: Abstraction has 6184 states and 15839 transitions. [2024-11-09 06:53:41,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand 6184 states and 15839 transitions. [2024-11-09 06:53:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 06:53:41,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:41,738 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] [2024-11-09 06:53:41,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:53:41,739 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:41,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:41,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1101893513, now seen corresponding path program 1 times [2024-11-09 06:53:41,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:41,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714128090] [2024-11-09 06:53:41,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:41,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:42,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:42,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714128090] [2024-11-09 06:53:42,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714128090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:42,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:42,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:42,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623981283] [2024-11-09 06:53:42,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:42,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:42,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:42,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:42,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:42,669 INFO L87 Difference]: Start difference. First operand 6184 states and 15839 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:43,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:43,109 INFO L93 Difference]: Finished difference Result 6184 states and 15839 transitions. [2024-11-09 06:53:43,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:43,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2024-11-09 06:53:43,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:43,150 INFO L225 Difference]: With dead ends: 6184 [2024-11-09 06:53:43,150 INFO L226 Difference]: Without dead ends: 6181 [2024-11-09 06:53:43,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:43,155 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 18 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:43,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 788 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 06:53:43,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6181 states. [2024-11-09 06:53:43,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6181 to 6181. [2024-11-09 06:53:43,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6181 states, 6133 states have (on average 2.582096853089842) internal successors, (15836), 6180 states have internal predecessors, (15836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6181 states to 6181 states and 15836 transitions. [2024-11-09 06:53:43,434 INFO L78 Accepts]: Start accepts. Automaton has 6181 states and 15836 transitions. Word has length 103 [2024-11-09 06:53:43,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:43,435 INFO L471 AbstractCegarLoop]: Abstraction has 6181 states and 15836 transitions. [2024-11-09 06:53:43,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 6181 states and 15836 transitions. [2024-11-09 06:53:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 06:53:43,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:43,438 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] [2024-11-09 06:53:43,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:53:43,439 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:43,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:43,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1673666292, now seen corresponding path program 1 times [2024-11-09 06:53:43,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:43,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228974075] [2024-11-09 06:53:43,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:43,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:43,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:43,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228974075] [2024-11-09 06:53:43,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228974075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:43,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:43,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:43,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149274085] [2024-11-09 06:53:43,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:43,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:43,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:43,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:43,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:43,537 INFO L87 Difference]: Start difference. First operand 6181 states and 15836 transitions. Second operand has 3 states, 2 states have (on average 68.0) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:43,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:43,679 INFO L93 Difference]: Finished difference Result 6181 states and 15836 transitions. [2024-11-09 06:53:43,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:43,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 68.0) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2024-11-09 06:53:43,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:43,808 INFO L225 Difference]: With dead ends: 6181 [2024-11-09 06:53:43,808 INFO L226 Difference]: Without dead ends: 6180 [2024-11-09 06:53:43,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:43,811 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 2 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:43,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 901 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:43,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2024-11-09 06:53:43,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 6180. [2024-11-09 06:53:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6180 states, 6133 states have (on average 2.5819338007500408) internal successors, (15835), 6179 states have internal predecessors, (15835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6180 states to 6180 states and 15835 transitions. [2024-11-09 06:53:43,997 INFO L78 Accepts]: Start accepts. Automaton has 6180 states and 15835 transitions. Word has length 136 [2024-11-09 06:53:43,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:43,998 INFO L471 AbstractCegarLoop]: Abstraction has 6180 states and 15835 transitions. [2024-11-09 06:53:43,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 68.0) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 6180 states and 15835 transitions. [2024-11-09 06:53:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 06:53:44,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:44,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:44,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:53:44,001 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:44,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:44,002 INFO L85 PathProgramCache]: Analyzing trace with hash 931844323, now seen corresponding path program 1 times [2024-11-09 06:53:44,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:44,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475035669] [2024-11-09 06:53:44,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:44,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:44,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:44,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475035669] [2024-11-09 06:53:44,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475035669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:44,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:44,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:44,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48820963] [2024-11-09 06:53:44,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:44,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:44,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:44,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:44,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:44,072 INFO L87 Difference]: Start difference. First operand 6180 states and 15835 transitions. Second operand has 3 states, 2 states have (on average 76.5) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:44,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:44,174 INFO L93 Difference]: Finished difference Result 6180 states and 15835 transitions. [2024-11-09 06:53:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:44,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 76.5) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2024-11-09 06:53:44,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:44,208 INFO L225 Difference]: With dead ends: 6180 [2024-11-09 06:53:44,209 INFO L226 Difference]: Without dead ends: 6179 [2024-11-09 06:53:44,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:44,213 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 2 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:44,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 896 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:44,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6179 states. [2024-11-09 06:53:44,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6179 to 6179. [2024-11-09 06:53:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6179 states, 6133 states have (on average 2.5817707484102397) internal successors, (15834), 6178 states have internal predecessors, (15834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6179 states to 6179 states and 15834 transitions. [2024-11-09 06:53:44,419 INFO L78 Accepts]: Start accepts. Automaton has 6179 states and 15834 transitions. Word has length 153 [2024-11-09 06:53:44,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:44,420 INFO L471 AbstractCegarLoop]: Abstraction has 6179 states and 15834 transitions. [2024-11-09 06:53:44,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 76.5) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:44,464 INFO L276 IsEmpty]: Start isEmpty. Operand 6179 states and 15834 transitions. [2024-11-09 06:53:44,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 06:53:44,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:44,466 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] [2024-11-09 06:53:44,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:53:44,467 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:44,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:44,468 INFO L85 PathProgramCache]: Analyzing trace with hash 513551373, now seen corresponding path program 1 times [2024-11-09 06:53:44,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:44,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470212009] [2024-11-09 06:53:44,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:44,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:44,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:44,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470212009] [2024-11-09 06:53:44,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470212009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:44,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:44,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:44,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239404931] [2024-11-09 06:53:44,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:44,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:53:44,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:44,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:53:44,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:53:44,685 INFO L87 Difference]: Start difference. First operand 6179 states and 15834 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:44,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:44,929 INFO L93 Difference]: Finished difference Result 18228 states and 47185 transitions. [2024-11-09 06:53:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:53:44,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2024-11-09 06:53:44,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:44,991 INFO L225 Difference]: With dead ends: 18228 [2024-11-09 06:53:44,991 INFO L226 Difference]: Without dead ends: 12240 [2024-11-09 06:53:45,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:53:45,008 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 524 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:45,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 1207 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:53:45,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12240 states. [2024-11-09 06:53:45,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12240 to 6314. [2024-11-09 06:53:45,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6314 states, 6268 states have (on average 2.548340778557754) internal successors, (15973), 6313 states have internal predecessors, (15973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6314 states to 6314 states and 15973 transitions. [2024-11-09 06:53:45,290 INFO L78 Accepts]: Start accepts. Automaton has 6314 states and 15973 transitions. Word has length 161 [2024-11-09 06:53:45,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:45,291 INFO L471 AbstractCegarLoop]: Abstraction has 6314 states and 15973 transitions. [2024-11-09 06:53:45,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 6314 states and 15973 transitions. [2024-11-09 06:53:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-09 06:53:45,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:45,294 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:45,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:53:45,294 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:45,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:45,299 INFO L85 PathProgramCache]: Analyzing trace with hash 266683254, now seen corresponding path program 1 times [2024-11-09 06:53:45,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:45,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468131080] [2024-11-09 06:53:45,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:45,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:45,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:45,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468131080] [2024-11-09 06:53:45,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468131080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:45,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:45,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:45,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181170317] [2024-11-09 06:53:45,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:45,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:45,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:45,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:45,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:45,417 INFO L87 Difference]: Start difference. First operand 6314 states and 15973 transitions. Second operand has 3 states, 2 states have (on average 83.0) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:45,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:45,661 INFO L93 Difference]: Finished difference Result 8512 states and 21660 transitions. [2024-11-09 06:53:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:45,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 83.0) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2024-11-09 06:53:45,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:45,719 INFO L225 Difference]: With dead ends: 8512 [2024-11-09 06:53:45,719 INFO L226 Difference]: Without dead ends: 8404 [2024-11-09 06:53:45,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:45,726 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 258 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:45,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 929 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:45,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8404 states. [2024-11-09 06:53:45,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8404 to 6206. [2024-11-09 06:53:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6206 states, 6167 states have (on average 2.5440246473163612) internal successors, (15689), 6205 states have internal predecessors, (15689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:46,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6206 states to 6206 states and 15689 transitions. [2024-11-09 06:53:46,057 INFO L78 Accepts]: Start accepts. Automaton has 6206 states and 15689 transitions. Word has length 166 [2024-11-09 06:53:46,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:46,057 INFO L471 AbstractCegarLoop]: Abstraction has 6206 states and 15689 transitions. [2024-11-09 06:53:46,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 83.0) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:46,058 INFO L276 IsEmpty]: Start isEmpty. Operand 6206 states and 15689 transitions. [2024-11-09 06:53:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 06:53:46,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:46,062 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] [2024-11-09 06:53:46,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:53:46,062 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:46,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:46,063 INFO L85 PathProgramCache]: Analyzing trace with hash -298762862, now seen corresponding path program 1 times [2024-11-09 06:53:46,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:46,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519659477] [2024-11-09 06:53:46,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:46,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:46,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:46,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519659477] [2024-11-09 06:53:46,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519659477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:46,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:46,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:46,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616940564] [2024-11-09 06:53:46,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:46,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:46,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:46,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:46,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:46,155 INFO L87 Difference]: Start difference. First operand 6206 states and 15689 transitions. Second operand has 3 states, 2 states have (on average 85.5) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:46,401 INFO L93 Difference]: Finished difference Result 7607 states and 19299 transitions. [2024-11-09 06:53:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:46,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 85.5) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-09 06:53:46,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:46,455 INFO L225 Difference]: With dead ends: 7607 [2024-11-09 06:53:46,455 INFO L226 Difference]: Without dead ends: 7444 [2024-11-09 06:53:46,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:46,461 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 186 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:46,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 959 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:46,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7444 states. [2024-11-09 06:53:46,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7444 to 6043. [2024-11-09 06:53:46,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6043 states, 6010 states have (on average 2.538602329450915) internal successors, (15257), 6042 states have internal predecessors, (15257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6043 states to 6043 states and 15257 transitions. [2024-11-09 06:53:46,778 INFO L78 Accepts]: Start accepts. Automaton has 6043 states and 15257 transitions. Word has length 171 [2024-11-09 06:53:46,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:46,779 INFO L471 AbstractCegarLoop]: Abstraction has 6043 states and 15257 transitions. [2024-11-09 06:53:46,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 85.5) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:46,779 INFO L276 IsEmpty]: Start isEmpty. Operand 6043 states and 15257 transitions. [2024-11-09 06:53:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-09 06:53:46,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:46,784 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:46,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:53:46,785 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:46,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:46,786 INFO L85 PathProgramCache]: Analyzing trace with hash 651738132, now seen corresponding path program 1 times [2024-11-09 06:53:46,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:46,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600965839] [2024-11-09 06:53:46,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:46,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:46,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:46,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:46,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600965839] [2024-11-09 06:53:46,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600965839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:46,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:46,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:46,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849231764] [2024-11-09 06:53:46,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:46,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:46,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:46,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:46,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:46,882 INFO L87 Difference]: Start difference. First operand 6043 states and 15257 transitions. Second operand has 3 states, 2 states have (on average 86.5) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:47,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:47,078 INFO L93 Difference]: Finished difference Result 7181 states and 18122 transitions. [2024-11-09 06:53:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:47,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 86.5) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2024-11-09 06:53:47,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:47,112 INFO L225 Difference]: With dead ends: 7181 [2024-11-09 06:53:47,113 INFO L226 Difference]: Without dead ends: 6919 [2024-11-09 06:53:47,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:47,117 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 186 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:47,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 987 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:47,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6919 states. [2024-11-09 06:53:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6919 to 5781. [2024-11-09 06:53:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 5756 states have (on average 2.5295343988881167) internal successors, (14560), 5780 states have internal predecessors, (14560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:47,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 14560 transitions. [2024-11-09 06:53:47,321 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 14560 transitions. Word has length 173 [2024-11-09 06:53:47,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:47,321 INFO L471 AbstractCegarLoop]: Abstraction has 5781 states and 14560 transitions. [2024-11-09 06:53:47,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 86.5) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:47,322 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 14560 transitions. [2024-11-09 06:53:47,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-09 06:53:47,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:47,326 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] [2024-11-09 06:53:47,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:53:47,326 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:47,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:47,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1781740344, now seen corresponding path program 1 times [2024-11-09 06:53:47,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:47,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812623721] [2024-11-09 06:53:47,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:47,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:47,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:47,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:47,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812623721] [2024-11-09 06:53:47,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812623721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:47,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:47,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:53:47,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154602522] [2024-11-09 06:53:47,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:47,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:53:47,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:47,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:53:47,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:53:47,555 INFO L87 Difference]: Start difference. First operand 5781 states and 14560 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:48,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:48,136 INFO L93 Difference]: Finished difference Result 12742 states and 32210 transitions. [2024-11-09 06:53:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:53:48,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2024-11-09 06:53:48,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:48,178 INFO L225 Difference]: With dead ends: 12742 [2024-11-09 06:53:48,178 INFO L226 Difference]: Without dead ends: 7671 [2024-11-09 06:53:48,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:53:48,192 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 699 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 2492 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:48,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 2492 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 06:53:48,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7671 states. [2024-11-09 06:53:48,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7671 to 6808. [2024-11-09 06:53:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6808 states, 6783 states have (on average 2.4949137549756744) internal successors, (16923), 6807 states have internal predecessors, (16923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6808 states to 6808 states and 16923 transitions. [2024-11-09 06:53:48,454 INFO L78 Accepts]: Start accepts. Automaton has 6808 states and 16923 transitions. Word has length 179 [2024-11-09 06:53:48,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:48,455 INFO L471 AbstractCegarLoop]: Abstraction has 6808 states and 16923 transitions. [2024-11-09 06:53:48,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 6808 states and 16923 transitions. [2024-11-09 06:53:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-09 06:53:48,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:48,460 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] [2024-11-09 06:53:48,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:53:48,461 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:48,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:48,462 INFO L85 PathProgramCache]: Analyzing trace with hash 293762438, now seen corresponding path program 1 times [2024-11-09 06:53:48,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:48,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217690517] [2024-11-09 06:53:48,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:48,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:48,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:48,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217690517] [2024-11-09 06:53:48,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217690517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:48,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:48,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:48,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092694838] [2024-11-09 06:53:48,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:48,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:53:48,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:48,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:53:48,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:53:48,686 INFO L87 Difference]: Start difference. First operand 6808 states and 16923 transitions. Second operand has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:48,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:48,999 INFO L93 Difference]: Finished difference Result 13898 states and 35440 transitions. [2024-11-09 06:53:48,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:53:48,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 0 states have call successors, (0), 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 187 [2024-11-09 06:53:49,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:49,043 INFO L225 Difference]: With dead ends: 13898 [2024-11-09 06:53:49,044 INFO L226 Difference]: Without dead ends: 8172 [2024-11-09 06:53:49,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:53:49,057 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 426 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:49,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1298 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:53:49,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8172 states. [2024-11-09 06:53:49,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8172 to 7621. [2024-11-09 06:53:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7621 states, 7596 states have (on average 2.4906529752501316) internal successors, (18919), 7620 states have internal predecessors, (18919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7621 states to 7621 states and 18919 transitions. [2024-11-09 06:53:49,464 INFO L78 Accepts]: Start accepts. Automaton has 7621 states and 18919 transitions. Word has length 187 [2024-11-09 06:53:49,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:49,465 INFO L471 AbstractCegarLoop]: Abstraction has 7621 states and 18919 transitions. [2024-11-09 06:53:49,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 7621 states and 18919 transitions. [2024-11-09 06:53:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-09 06:53:49,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:49,472 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] [2024-11-09 06:53:49,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:53:49,473 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:49,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:49,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1414310831, now seen corresponding path program 1 times [2024-11-09 06:53:49,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:49,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948868303] [2024-11-09 06:53:49,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:49,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:49,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:49,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948868303] [2024-11-09 06:53:49,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948868303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:49,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:49,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:49,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970417721] [2024-11-09 06:53:49,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:49,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:53:49,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:49,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:53:49,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:53:49,681 INFO L87 Difference]: Start difference. First operand 7621 states and 18919 transitions. Second operand has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:50,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:50,191 INFO L93 Difference]: Finished difference Result 14830 states and 37562 transitions. [2024-11-09 06:53:50,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:50,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2024-11-09 06:53:50,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:50,250 INFO L225 Difference]: With dead ends: 14830 [2024-11-09 06:53:50,250 INFO L226 Difference]: Without dead ends: 9104 [2024-11-09 06:53:50,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:50,266 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 256 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:50,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 1507 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:53:50,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9104 states. [2024-11-09 06:53:50,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9104 to 7627. [2024-11-09 06:53:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7627 states, 7602 states have (on average 2.4897395422257302) internal successors, (18927), 7626 states have internal predecessors, (18927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7627 states to 7627 states and 18927 transitions. [2024-11-09 06:53:50,715 INFO L78 Accepts]: Start accepts. Automaton has 7627 states and 18927 transitions. Word has length 192 [2024-11-09 06:53:50,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:50,716 INFO L471 AbstractCegarLoop]: Abstraction has 7627 states and 18927 transitions. [2024-11-09 06:53:50,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 7627 states and 18927 transitions. [2024-11-09 06:53:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 06:53:50,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:50,722 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] [2024-11-09 06:53:50,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 06:53:50,723 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:50,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:50,724 INFO L85 PathProgramCache]: Analyzing trace with hash -176485179, now seen corresponding path program 1 times [2024-11-09 06:53:50,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:50,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231109037] [2024-11-09 06:53:50,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:50,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:50,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:50,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231109037] [2024-11-09 06:53:50,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231109037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:50,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:50,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:50,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574148515] [2024-11-09 06:53:50,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:50,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:50,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:50,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:50,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:50,823 INFO L87 Difference]: Start difference. First operand 7627 states and 18927 transitions. Second operand has 3 states, 2 states have (on average 98.0) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:51,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:51,136 INFO L93 Difference]: Finished difference Result 7627 states and 18927 transitions. [2024-11-09 06:53:51,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:51,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 98.0) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 196 [2024-11-09 06:53:51,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:51,192 INFO L225 Difference]: With dead ends: 7627 [2024-11-09 06:53:51,193 INFO L226 Difference]: Without dead ends: 7626 [2024-11-09 06:53:51,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:51,198 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 2 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:51,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 877 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:51,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7626 states. [2024-11-09 06:53:51,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7626 to 7626. [2024-11-09 06:53:51,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7626 states, 7602 states have (on average 2.4896079978952907) internal successors, (18926), 7625 states have internal predecessors, (18926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:51,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 18926 transitions. [2024-11-09 06:53:51,633 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 18926 transitions. Word has length 196 [2024-11-09 06:53:51,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:51,635 INFO L471 AbstractCegarLoop]: Abstraction has 7626 states and 18926 transitions. [2024-11-09 06:53:51,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 98.0) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 18926 transitions. [2024-11-09 06:53:51,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-09 06:53:51,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:51,641 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] [2024-11-09 06:53:51,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 06:53:51,642 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:51,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:51,644 INFO L85 PathProgramCache]: Analyzing trace with hash 795198059, now seen corresponding path program 1 times [2024-11-09 06:53:51,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:51,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365295733] [2024-11-09 06:53:51,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:51,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:52,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365295733] [2024-11-09 06:53:52,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365295733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:52,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:52,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:52,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345786116] [2024-11-09 06:53:52,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:52,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:52,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:52,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:52,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:52,749 INFO L87 Difference]: Start difference. First operand 7626 states and 18926 transitions. Second operand has 6 states, 5 states have (on average 40.2) internal successors, (201), 6 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:53,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:53,207 INFO L93 Difference]: Finished difference Result 7626 states and 18926 transitions. [2024-11-09 06:53:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:53,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 40.2) internal successors, (201), 6 states have internal predecessors, (201), 0 states have call successors, (0), 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 201 [2024-11-09 06:53:53,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:53,258 INFO L225 Difference]: With dead ends: 7626 [2024-11-09 06:53:53,258 INFO L226 Difference]: Without dead ends: 7625 [2024-11-09 06:53:53,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:53,264 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 6 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:53,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 808 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:53:53,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7625 states. [2024-11-09 06:53:53,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7625 to 7625. [2024-11-09 06:53:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7625 states, 7602 states have (on average 2.489344909234412) internal successors, (18924), 7624 states have internal predecessors, (18924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7625 states to 7625 states and 18924 transitions. [2024-11-09 06:53:53,664 INFO L78 Accepts]: Start accepts. Automaton has 7625 states and 18924 transitions. Word has length 201 [2024-11-09 06:53:53,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:53,664 INFO L471 AbstractCegarLoop]: Abstraction has 7625 states and 18924 transitions. [2024-11-09 06:53:53,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 40.2) internal successors, (201), 6 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:53,665 INFO L276 IsEmpty]: Start isEmpty. Operand 7625 states and 18924 transitions. [2024-11-09 06:53:53,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-09 06:53:53,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:53,672 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, 1] [2024-11-09 06:53:53,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 06:53:53,672 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:53,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:53,673 INFO L85 PathProgramCache]: Analyzing trace with hash -490807980, now seen corresponding path program 1 times [2024-11-09 06:53:53,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:53,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581642082] [2024-11-09 06:53:53,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:53,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:53,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581642082] [2024-11-09 06:53:53,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581642082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:53,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:53,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:53,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50832188] [2024-11-09 06:53:53,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:53,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:53,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:53,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:53,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:53,743 INFO L87 Difference]: Start difference. First operand 7625 states and 18924 transitions. Second operand has 3 states, 2 states have (on average 102.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:53,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:53,937 INFO L93 Difference]: Finished difference Result 7625 states and 18924 transitions. [2024-11-09 06:53:53,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:53,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 102.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 204 [2024-11-09 06:53:53,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:53,978 INFO L225 Difference]: With dead ends: 7625 [2024-11-09 06:53:53,979 INFO L226 Difference]: Without dead ends: 7624 [2024-11-09 06:53:53,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:53,984 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 2 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:53,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 873 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7624 states. [2024-11-09 06:53:54,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7624 to 7624. [2024-11-09 06:53:54,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7624 states, 7602 states have (on average 2.4892133649039727) internal successors, (18923), 7623 states have internal predecessors, (18923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7624 states to 7624 states and 18923 transitions. [2024-11-09 06:53:54,321 INFO L78 Accepts]: Start accepts. Automaton has 7624 states and 18923 transitions. Word has length 204 [2024-11-09 06:53:54,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:54,322 INFO L471 AbstractCegarLoop]: Abstraction has 7624 states and 18923 transitions. [2024-11-09 06:53:54,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 102.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:54,323 INFO L276 IsEmpty]: Start isEmpty. Operand 7624 states and 18923 transitions. [2024-11-09 06:53:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-09 06:53:54,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:54,329 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, 1, 1, 1, 1, 1] [2024-11-09 06:53:54,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 06:53:54,329 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:54,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:54,330 INFO L85 PathProgramCache]: Analyzing trace with hash -2077442239, now seen corresponding path program 1 times [2024-11-09 06:53:54,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:54,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236018310] [2024-11-09 06:53:54,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:54,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:54,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:54,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236018310] [2024-11-09 06:53:54,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236018310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:54,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:54,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:54,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783991245] [2024-11-09 06:53:54,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:54,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:54,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:54,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:54,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:54,404 INFO L87 Difference]: Start difference. First operand 7624 states and 18923 transitions. Second operand has 3 states, 2 states have (on average 104.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:54,600 INFO L93 Difference]: Finished difference Result 7624 states and 18923 transitions. [2024-11-09 06:53:54,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:54,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 104.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 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 208 [2024-11-09 06:53:54,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:54,639 INFO L225 Difference]: With dead ends: 7624 [2024-11-09 06:53:54,639 INFO L226 Difference]: Without dead ends: 7620 [2024-11-09 06:53:54,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:54,644 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 67 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:54,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 807 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7620 states. [2024-11-09 06:53:54,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7620 to 7620. [2024-11-09 06:53:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7620 states, 7602 states have (on average 2.488687187582215) internal successors, (18919), 7619 states have internal predecessors, (18919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:54,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7620 states to 7620 states and 18919 transitions. [2024-11-09 06:53:54,935 INFO L78 Accepts]: Start accepts. Automaton has 7620 states and 18919 transitions. Word has length 208 [2024-11-09 06:53:54,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:54,936 INFO L471 AbstractCegarLoop]: Abstraction has 7620 states and 18919 transitions. [2024-11-09 06:53:54,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 104.0) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 7620 states and 18919 transitions. [2024-11-09 06:53:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-09 06:53:54,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:54,941 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:54,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 06:53:54,942 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:54,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:54,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1423079922, now seen corresponding path program 1 times [2024-11-09 06:53:54,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:54,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795134378] [2024-11-09 06:53:54,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:54,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:53:55,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:55,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795134378] [2024-11-09 06:53:55,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795134378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:55,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:55,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:55,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565667818] [2024-11-09 06:53:55,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:55,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:55,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:55,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:55,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:55,749 INFO L87 Difference]: Start difference. First operand 7620 states and 18919 transitions. Second operand has 6 states, 5 states have (on average 42.2) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:56,635 INFO L93 Difference]: Finished difference Result 8796 states and 22079 transitions. [2024-11-09 06:53:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:56,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 42.2) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 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 211 [2024-11-09 06:53:56,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:56,670 INFO L225 Difference]: With dead ends: 8796 [2024-11-09 06:53:56,670 INFO L226 Difference]: Without dead ends: 8616 [2024-11-09 06:53:56,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:56,674 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 195 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:56,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1888 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 06:53:56,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8616 states. [2024-11-09 06:53:56,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8616 to 8175. [2024-11-09 06:53:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8175 states, 8157 states have (on average 2.5032487434105675) internal successors, (20419), 8174 states have internal predecessors, (20419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8175 states to 8175 states and 20419 transitions. [2024-11-09 06:53:56,983 INFO L78 Accepts]: Start accepts. Automaton has 8175 states and 20419 transitions. Word has length 211 [2024-11-09 06:53:56,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:56,984 INFO L471 AbstractCegarLoop]: Abstraction has 8175 states and 20419 transitions. [2024-11-09 06:53:56,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 42.2) internal successors, (211), 6 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:56,985 INFO L276 IsEmpty]: Start isEmpty. Operand 8175 states and 20419 transitions. [2024-11-09 06:53:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-09 06:53:56,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:56,994 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:56,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 06:53:56,994 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:56,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:56,995 INFO L85 PathProgramCache]: Analyzing trace with hash -980452606, now seen corresponding path program 1 times [2024-11-09 06:53:56,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:56,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555330358] [2024-11-09 06:53:56,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:56,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:57,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:57,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:57,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555330358] [2024-11-09 06:53:57,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555330358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:57,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:57,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:53:57,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885155465] [2024-11-09 06:53:57,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:57,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:57,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:57,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:57,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:57,069 INFO L87 Difference]: Start difference. First operand 8175 states and 20419 transitions. Second operand has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:57,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:57,283 INFO L93 Difference]: Finished difference Result 8194 states and 20439 transitions. [2024-11-09 06:53:57,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:57,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 214 [2024-11-09 06:53:57,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:57,325 INFO L225 Difference]: With dead ends: 8194 [2024-11-09 06:53:57,325 INFO L226 Difference]: Without dead ends: 8190 [2024-11-09 06:53:57,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:57,330 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 50 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:57,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 854 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:53:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8190 states. [2024-11-09 06:53:57,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8190 to 8171. [2024-11-09 06:53:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8157 states have (on average 2.502758367046708) internal successors, (20415), 8170 states have internal predecessors, (20415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 20415 transitions. [2024-11-09 06:53:57,642 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 20415 transitions. Word has length 214 [2024-11-09 06:53:57,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:57,643 INFO L471 AbstractCegarLoop]: Abstraction has 8171 states and 20415 transitions. [2024-11-09 06:53:57,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 20415 transitions. [2024-11-09 06:53:57,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-09 06:53:57,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:57,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:57,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 06:53:57,649 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:57,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:57,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1310956216, now seen corresponding path program 1 times [2024-11-09 06:53:57,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:57,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574630942] [2024-11-09 06:53:57,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:57,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 06:53:58,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:53:58,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574630942] [2024-11-09 06:53:58,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574630942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:58,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:58,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:58,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918438593] [2024-11-09 06:53:58,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:58,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:58,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:53:58,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:58,636 INFO L87 Difference]: Start difference. First operand 8171 states and 20415 transitions. Second operand has 6 states, 5 states have (on average 43.6) internal successors, (218), 6 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:59,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:53:59,521 INFO L93 Difference]: Finished difference Result 9200 states and 23180 transitions. [2024-11-09 06:53:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:59,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 43.6) internal successors, (218), 6 states have internal predecessors, (218), 0 states have call successors, (0), 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 218 [2024-11-09 06:53:59,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:53:59,563 INFO L225 Difference]: With dead ends: 9200 [2024-11-09 06:53:59,563 INFO L226 Difference]: Without dead ends: 9020 [2024-11-09 06:53:59,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:59,569 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 196 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:53:59,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1836 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 06:53:59,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9020 states. [2024-11-09 06:53:59,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9020 to 8726. [2024-11-09 06:53:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8726 states, 8712 states have (on average 2.5154958677685952) internal successors, (21915), 8725 states have internal predecessors, (21915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:59,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8726 states to 8726 states and 21915 transitions. [2024-11-09 06:53:59,907 INFO L78 Accepts]: Start accepts. Automaton has 8726 states and 21915 transitions. Word has length 218 [2024-11-09 06:53:59,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:53:59,908 INFO L471 AbstractCegarLoop]: Abstraction has 8726 states and 21915 transitions. [2024-11-09 06:53:59,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 43.6) internal successors, (218), 6 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:59,908 INFO L276 IsEmpty]: Start isEmpty. Operand 8726 states and 21915 transitions. [2024-11-09 06:53:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-09 06:53:59,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:53:59,916 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:59,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 06:53:59,917 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-09 06:53:59,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:59,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1715764853, now seen corresponding path program 1 times [2024-11-09 06:53:59,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:53:59,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361764833] [2024-11-09 06:53:59,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:59,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat