./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2 --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 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:35,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:35,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-02 12:26:35,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:35,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:35,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:35,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:35,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:35,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:35,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:35,499 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:35,499 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:35,499 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:35,500 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:26:35,500 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:35,501 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:35,501 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:26:35,501 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:26:35,502 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:35,502 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:26:35,503 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:26:35,507 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:26:35,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:35,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:35,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:26:35,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:26:35,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:26:35,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:35,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:35,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:35,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:35,512 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-02 12:26:35,512 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:35,512 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:26:35,513 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:26:35,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:35,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:35,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:35,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:35,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:35,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:35,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:35,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:35,516 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:26:35,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:26:35,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:35,517 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:35,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:35,518 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_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c [2024-11-02 12:26:35,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:35,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:35,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:35,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:35,929 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:35,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i Unable to find full path for "g++" [2024-11-02 12:26:38,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:38,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:38,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2024-11-02 12:26:38,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/data/991fcbedf/078dfdedbb994ee295b766657e494194/FLAG4df0ff58e [2024-11-02 12:26:38,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/data/991fcbedf/078dfdedbb994ee295b766657e494194 [2024-11-02 12:26:38,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:38,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:38,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:38,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:38,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:38,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:38" (1/1) ... [2024-11-02 12:26:38,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d90186f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:38, skipping insertion in model container [2024-11-02 12:26:38,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:38" (1/1) ... [2024-11-02 12:26:38,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:39,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:39,905 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:40,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:40,170 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:40,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40 WrapperNode [2024-11-02 12:26:40,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:40,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:40,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:40,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:40,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,238 INFO L138 Inliner]: procedures = 368, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 221 [2024-11-02 12:26:40,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:40,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:40,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:40,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:40,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:40,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:40,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:40,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:40,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (1/1) ... [2024-11-02 12:26:40,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:40,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:40,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:40,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2071653-cad7-4e2f-8c13-d654965befb1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:26:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-02 12:26:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:26:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:26:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-02 12:26:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:26:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:26:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-02 12:26:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-02 12:26:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:40,381 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 12:26:40,581 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:40,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:41,076 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:26:41,077 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:41,105 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:41,105 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:26:41,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:41 BoogieIcfgContainer [2024-11-02 12:26:41,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:41,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:41,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:41,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:41,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:38" (1/3) ... [2024-11-02 12:26:41,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c16b15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:41, skipping insertion in model container [2024-11-02 12:26:41,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:40" (2/3) ... [2024-11-02 12:26:41,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c16b15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:41, skipping insertion in model container [2024-11-02 12:26:41,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:41" (3/3) ... [2024-11-02 12:26:41,117 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2024-11-02 12:26:41,138 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:41,139 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-02 12:26:41,139 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 12:26:41,263 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-02 12:26:41,325 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 253 places, 249 transitions, 502 flow [2024-11-02 12:26:41,713 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2371 states, 2332 states have (on average 1.9262435677530017) internal successors, (4492), 2370 states have internal predecessors, (4492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:41,759 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:41,766 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;@75475bfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:41,766 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-02 12:26:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 2371 states, 2332 states have (on average 1.9262435677530017) internal successors, (4492), 2370 states have internal predecessors, (4492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:41,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-02 12:26:41,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:41,785 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:41,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:41,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:41,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1044138680, now seen corresponding path program 1 times [2024-11-02 12:26:41,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:41,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054091778] [2024-11-02 12:26:41,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:41,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:43,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:43,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054091778] [2024-11-02 12:26:43,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054091778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:43,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:43,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:43,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271744370] [2024-11-02 12:26:43,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:43,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:43,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:43,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:43,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:43,290 INFO L87 Difference]: Start difference. First operand has 2371 states, 2332 states have (on average 1.9262435677530017) internal successors, (4492), 2370 states have internal predecessors, (4492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:43,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:43,676 INFO L93 Difference]: Finished difference Result 2371 states and 4492 transitions. [2024-11-02 12:26:43,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:26:43,679 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-02 12:26:43,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:43,725 INFO L225 Difference]: With dead ends: 2371 [2024-11-02 12:26:43,725 INFO L226 Difference]: Without dead ends: 2369 [2024-11-02 12:26:43,731 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 [2024-11-02 12:26:43,735 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 6 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:43,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 390 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:26:43,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2024-11-02 12:26:43,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2369. [2024-11-02 12:26:43,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 2332 states have (on average 1.9253859348198972) internal successors, (4490), 2368 states have internal predecessors, (4490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:43,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 4490 transitions. [2024-11-02 12:26:43,909 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 4490 transitions. Word has length 84 [2024-11-02 12:26:43,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:43,911 INFO L471 AbstractCegarLoop]: Abstraction has 2369 states and 4490 transitions. [2024-11-02 12:26:43,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 4490 transitions. [2024-11-02 12:26:43,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-02 12:26:43,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:43,917 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] [2024-11-02 12:26:43,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:26:43,918 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:43,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:43,920 INFO L85 PathProgramCache]: Analyzing trace with hash -956173680, now seen corresponding path program 1 times [2024-11-02 12:26:43,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:43,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391881174] [2024-11-02 12:26:43,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:43,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:44,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:44,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391881174] [2024-11-02 12:26:44,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391881174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:44,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:44,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:44,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546302650] [2024-11-02 12:26:44,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:44,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:44,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:44,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:44,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:44,576 INFO L87 Difference]: Start difference. First operand 2369 states and 4490 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:44,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:44,933 INFO L93 Difference]: Finished difference Result 2369 states and 4490 transitions. [2024-11-02 12:26:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:26:44,934 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-11-02 12:26:44,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:44,948 INFO L225 Difference]: With dead ends: 2369 [2024-11-02 12:26:44,948 INFO L226 Difference]: Without dead ends: 2367 [2024-11-02 12:26:44,950 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 [2024-11-02 12:26:44,952 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 2 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:44,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 702 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:26:44,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2024-11-02 12:26:45,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2024-11-02 12:26:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 2332 states have (on average 1.9245283018867925) internal successors, (4488), 2366 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 4488 transitions. [2024-11-02 12:26:45,032 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 4488 transitions. Word has length 92 [2024-11-02 12:26:45,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:45,034 INFO L471 AbstractCegarLoop]: Abstraction has 2367 states and 4488 transitions. [2024-11-02 12:26:45,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:45,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 4488 transitions. [2024-11-02 12:26:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-02 12:26:45,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:45,039 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] [2024-11-02 12:26:45,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:26:45,040 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:45,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:45,041 INFO L85 PathProgramCache]: Analyzing trace with hash -130714399, now seen corresponding path program 1 times [2024-11-02 12:26:45,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:45,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715807914] [2024-11-02 12:26:45,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:45,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:45,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:45,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715807914] [2024-11-02 12:26:45,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715807914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:45,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:45,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:26:45,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487701302] [2024-11-02 12:26:45,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:45,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:26:45,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:45,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:26:45,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:26:45,171 INFO L87 Difference]: Start difference. First operand 2367 states and 4488 transitions. Second operand has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:45,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:45,239 INFO L93 Difference]: Finished difference Result 2367 states and 4488 transitions. [2024-11-02 12:26:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:26:45,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-02 12:26:45,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:45,257 INFO L225 Difference]: With dead ends: 2367 [2024-11-02 12:26:45,257 INFO L226 Difference]: Without dead ends: 2366 [2024-11-02 12:26:45,259 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 [2024-11-02 12:26:45,261 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 2 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:45,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 453 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:26:45,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2024-11-02 12:26:45,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 2366. [2024-11-02 12:26:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 2332 states have (on average 1.9240994854202402) internal successors, (4487), 2365 states have internal predecessors, (4487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:45,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 4487 transitions. [2024-11-02 12:26:45,368 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 4487 transitions. Word has length 100 [2024-11-02 12:26:45,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:45,370 INFO L471 AbstractCegarLoop]: Abstraction has 2366 states and 4487 transitions. [2024-11-02 12:26:45,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:45,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 4487 transitions. [2024-11-02 12:26:45,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-02 12:26:45,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:45,374 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] [2024-11-02 12:26:45,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:26:45,377 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:45,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:45,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1165486800, now seen corresponding path program 1 times [2024-11-02 12:26:45,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:45,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223756756] [2024-11-02 12:26:45,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:45,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:45,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:45,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223756756] [2024-11-02 12:26:45,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223756756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:45,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:45,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:26:45,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880505363] [2024-11-02 12:26:45,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:45,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:26:45,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:45,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:26:45,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:26:45,516 INFO L87 Difference]: Start difference. First operand 2366 states and 4487 transitions. Second operand has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:45,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:45,566 INFO L93 Difference]: Finished difference Result 2366 states and 4487 transitions. [2024-11-02 12:26:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:26:45,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2024-11-02 12:26:45,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:45,582 INFO L225 Difference]: With dead ends: 2366 [2024-11-02 12:26:45,582 INFO L226 Difference]: Without dead ends: 2231 [2024-11-02 12:26:45,587 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 [2024-11-02 12:26:45,588 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 131 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:45,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 328 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:26:45,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2024-11-02 12:26:45,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2024-11-02 12:26:45,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2213 states have (on average 1.9078174423859016) internal successors, (4222), 2230 states have internal predecessors, (4222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 4222 transitions. [2024-11-02 12:26:45,672 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 4222 transitions. Word has length 104 [2024-11-02 12:26:45,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:45,674 INFO L471 AbstractCegarLoop]: Abstraction has 2231 states and 4222 transitions. [2024-11-02 12:26:45,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 4222 transitions. [2024-11-02 12:26:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-02 12:26:45,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:45,680 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:45,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 12:26:45,681 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:45,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:45,682 INFO L85 PathProgramCache]: Analyzing trace with hash -264416534, now seen corresponding path program 1 times [2024-11-02 12:26:45,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:45,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414239891] [2024-11-02 12:26:45,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:45,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:46,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:46,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414239891] [2024-11-02 12:26:46,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414239891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:46,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:46,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:46,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144461415] [2024-11-02 12:26:46,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:46,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:46,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:46,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:46,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:46,578 INFO L87 Difference]: Start difference. First operand 2231 states and 4222 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:46,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:46,763 INFO L93 Difference]: Finished difference Result 2231 states and 4222 transitions. [2024-11-02 12:26:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:26:46,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2024-11-02 12:26:46,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:46,777 INFO L225 Difference]: With dead ends: 2231 [2024-11-02 12:26:46,777 INFO L226 Difference]: Without dead ends: 2230 [2024-11-02 12:26:46,778 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 [2024-11-02 12:26:46,780 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 2 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:46,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 382 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:26:46,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2024-11-02 12:26:46,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2230. [2024-11-02 12:26:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2230 states, 2213 states have (on average 1.9073655671034795) internal successors, (4221), 2229 states have internal predecessors, (4221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:46,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 4221 transitions. [2024-11-02 12:26:46,855 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 4221 transitions. Word has length 135 [2024-11-02 12:26:46,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:46,856 INFO L471 AbstractCegarLoop]: Abstraction has 2230 states and 4221 transitions. [2024-11-02 12:26:46,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 4221 transitions. [2024-11-02 12:26:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-02 12:26:46,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:46,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:46,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-02 12:26:46,860 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:46,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:46,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1517100340, now seen corresponding path program 1 times [2024-11-02 12:26:46,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:46,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404054845] [2024-11-02 12:26:46,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:46,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:47,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:47,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404054845] [2024-11-02 12:26:47,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404054845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:47,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:47,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:47,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751235153] [2024-11-02 12:26:47,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:47,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:47,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:47,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:47,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:47,752 INFO L87 Difference]: Start difference. First operand 2230 states and 4221 transitions. Second operand has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:48,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:48,538 INFO L93 Difference]: Finished difference Result 3498 states and 6667 transitions. [2024-11-02 12:26:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:26:48,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2024-11-02 12:26:48,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:48,559 INFO L225 Difference]: With dead ends: 3498 [2024-11-02 12:26:48,559 INFO L226 Difference]: Without dead ends: 3400 [2024-11-02 12:26:48,561 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 [2024-11-02 12:26:48,562 INFO L432 NwaCegarLoop]: 337 mSDtfsCounter, 268 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:48,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 815 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-02 12:26:48,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3400 states. [2024-11-02 12:26:48,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3400 to 2373. [2024-11-02 12:26:48,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2373 states, 2359 states have (on average 1.9084357778719796) internal successors, (4502), 2372 states have internal predecessors, (4502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:48,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 4502 transitions. [2024-11-02 12:26:48,648 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 4502 transitions. Word has length 152 [2024-11-02 12:26:48,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:48,649 INFO L471 AbstractCegarLoop]: Abstraction has 2373 states and 4502 transitions. [2024-11-02 12:26:48,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:48,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 4502 transitions. [2024-11-02 12:26:48,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-02 12:26:48,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:48,659 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] [2024-11-02 12:26:48,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-02 12:26:48,660 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:48,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:48,660 INFO L85 PathProgramCache]: Analyzing trace with hash -656122962, now seen corresponding path program 1 times [2024-11-02 12:26:48,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:48,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045321245] [2024-11-02 12:26:48,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:48,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:49,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:49,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045321245] [2024-11-02 12:26:49,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045321245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:49,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:49,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:49,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903924128] [2024-11-02 12:26:49,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:49,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:49,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:49,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:49,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:49,501 INFO L87 Difference]: Start difference. First operand 2373 states and 4502 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:49,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:49,945 INFO L93 Difference]: Finished difference Result 2523 states and 4792 transitions. [2024-11-02 12:26:49,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:26:49,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2024-11-02 12:26:49,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:49,960 INFO L225 Difference]: With dead ends: 2523 [2024-11-02 12:26:49,960 INFO L226 Difference]: Without dead ends: 2487 [2024-11-02 12:26:49,962 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 [2024-11-02 12:26:49,965 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 93 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:49,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 712 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-02 12:26:49,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2024-11-02 12:26:50,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2460. [2024-11-02 12:26:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2460 states, 2446 states have (on average 1.9100572363041701) internal successors, (4672), 2459 states have internal predecessors, (4672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:50,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2460 states and 4672 transitions. [2024-11-02 12:26:50,053 INFO L78 Accepts]: Start accepts. Automaton has 2460 states and 4672 transitions. Word has length 156 [2024-11-02 12:26:50,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:50,055 INFO L471 AbstractCegarLoop]: Abstraction has 2460 states and 4672 transitions. [2024-11-02 12:26:50,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 4672 transitions. [2024-11-02 12:26:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-02 12:26:50,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:50,059 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] [2024-11-02 12:26:50,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-02 12:26:50,060 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:50,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:50,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1849978901, now seen corresponding path program 1 times [2024-11-02 12:26:50,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:50,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365035656] [2024-11-02 12:26:50,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:50,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:50,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:50,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365035656] [2024-11-02 12:26:50,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365035656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:50,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:50,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:26:50,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998319567] [2024-11-02 12:26:50,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:50,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:26:50,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:50,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:26:50,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:26:50,740 INFO L87 Difference]: Start difference. First operand 2460 states and 4672 transitions. Second operand has 6 states, 5 states have (on average 32.2) internal successors, (161), 6 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) [2024-11-02 12:26:51,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:51,315 INFO L93 Difference]: Finished difference Result 3090 states and 5910 transitions. [2024-11-02 12:26:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:26:51,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.2) internal successors, (161), 6 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 [2024-11-02 12:26:51,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:51,341 INFO L225 Difference]: With dead ends: 3090 [2024-11-02 12:26:51,341 INFO L226 Difference]: Without dead ends: 2894 [2024-11-02 12:26:51,346 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 [2024-11-02 12:26:51,346 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 194 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:51,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 725 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-02 12:26:51,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2024-11-02 12:26:51,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2537. [2024-11-02 12:26:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2523 states have (on average 1.9088386841062228) internal successors, (4816), 2536 states have internal predecessors, (4816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 4816 transitions. [2024-11-02 12:26:51,447 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 4816 transitions. Word has length 161 [2024-11-02 12:26:51,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:51,448 INFO L471 AbstractCegarLoop]: Abstraction has 2537 states and 4816 transitions. [2024-11-02 12:26:51,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.2) internal successors, (161), 6 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) [2024-11-02 12:26:51,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 4816 transitions. [2024-11-02 12:26:51,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-02 12:26:51,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:51,453 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] [2024-11-02 12:26:51,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-02 12:26:51,453 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:51,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:51,454 INFO L85 PathProgramCache]: Analyzing trace with hash 673746006, now seen corresponding path program 1 times [2024-11-02 12:26:51,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:51,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631899785] [2024-11-02 12:26:51,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:51,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:52,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:52,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631899785] [2024-11-02 12:26:52,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631899785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:52,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:52,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-02 12:26:52,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397609103] [2024-11-02 12:26:52,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:52,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-02 12:26:52,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:52,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-02 12:26:52,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-02 12:26:52,564 INFO L87 Difference]: Start difference. First operand 2537 states and 4816 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:54,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:54,223 INFO L93 Difference]: Finished difference Result 3014 states and 5698 transitions. [2024-11-02 12:26:54,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-02 12:26:54,223 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-02 12:26:54,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:54,239 INFO L225 Difference]: With dead ends: 3014 [2024-11-02 12:26:54,240 INFO L226 Difference]: Without dead ends: 2956 [2024-11-02 12:26:54,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2024-11-02 12:26:54,242 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 509 mSDsluCounter, 1861 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:54,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 2140 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-02 12:26:54,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2024-11-02 12:26:54,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2574. [2024-11-02 12:26:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2574 states, 2560 states have (on average 1.911328125) internal successors, (4893), 2573 states have internal predecessors, (4893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:54,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 4893 transitions. [2024-11-02 12:26:54,325 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 4893 transitions. Word has length 164 [2024-11-02 12:26:54,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:54,325 INFO L471 AbstractCegarLoop]: Abstraction has 2574 states and 4893 transitions. [2024-11-02 12:26:54,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 4893 transitions. [2024-11-02 12:26:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-02 12:26:54,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:54,328 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] [2024-11-02 12:26:54,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-02 12:26:54,333 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:54,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:54,334 INFO L85 PathProgramCache]: Analyzing trace with hash -511801708, now seen corresponding path program 1 times [2024-11-02 12:26:54,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:54,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373266483] [2024-11-02 12:26:54,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:54,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:55,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:55,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373266483] [2024-11-02 12:26:55,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373266483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:55,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:55,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-02 12:26:55,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355327667] [2024-11-02 12:26:55,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:55,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-02 12:26:55,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:55,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-02 12:26:55,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-02 12:26:55,440 INFO L87 Difference]: Start difference. First operand 2574 states and 4893 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:56,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:56,700 INFO L93 Difference]: Finished difference Result 2604 states and 4938 transitions. [2024-11-02 12:26:56,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-02 12:26:56,700 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-02 12:26:56,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:56,722 INFO L225 Difference]: With dead ends: 2604 [2024-11-02 12:26:56,722 INFO L226 Difference]: Without dead ends: 2578 [2024-11-02 12:26:56,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2024-11-02 12:26:56,725 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 466 mSDsluCounter, 1890 mSDsCounter, 0 mSdLazyCounter, 1090 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:56,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 2215 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1090 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-02 12:26:56,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2024-11-02 12:26:56,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 2509. [2024-11-02 12:26:56,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 2496 states have (on average 1.908253205128205) internal successors, (4763), 2508 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 4763 transitions. [2024-11-02 12:26:56,797 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 4763 transitions. Word has length 164 [2024-11-02 12:26:56,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:56,798 INFO L471 AbstractCegarLoop]: Abstraction has 2509 states and 4763 transitions. [2024-11-02 12:26:56,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:56,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 4763 transitions. [2024-11-02 12:26:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-02 12:26:56,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:56,801 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] [2024-11-02 12:26:56,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-02 12:26:56,802 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:56,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:56,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1950400750, now seen corresponding path program 2 times [2024-11-02 12:26:56,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:56,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272632313] [2024-11-02 12:26:56,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:56,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:26:57,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:26:57,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272632313] [2024-11-02 12:26:57,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272632313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:57,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:57,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-02 12:26:57,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509992078] [2024-11-02 12:26:57,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:57,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-02 12:26:57,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:26:57,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-02 12:26:57,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-02 12:26:57,766 INFO L87 Difference]: Start difference. First operand 2509 states and 4763 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:59,709 INFO L93 Difference]: Finished difference Result 4030 states and 7679 transitions. [2024-11-02 12:26:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-02 12:26:59,709 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-02 12:26:59,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:59,726 INFO L225 Difference]: With dead ends: 4030 [2024-11-02 12:26:59,726 INFO L226 Difference]: Without dead ends: 3977 [2024-11-02 12:26:59,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2024-11-02 12:26:59,730 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 572 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:59,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 1869 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-02 12:26:59,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3977 states. [2024-11-02 12:26:59,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3977 to 2536. [2024-11-02 12:26:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2536 states, 2523 states have (on average 1.9096313912009513) internal successors, (4818), 2535 states have internal predecessors, (4818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2536 states and 4818 transitions. [2024-11-02 12:26:59,822 INFO L78 Accepts]: Start accepts. Automaton has 2536 states and 4818 transitions. Word has length 164 [2024-11-02 12:26:59,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:59,823 INFO L471 AbstractCegarLoop]: Abstraction has 2536 states and 4818 transitions. [2024-11-02 12:26:59,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:26:59,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 4818 transitions. [2024-11-02 12:26:59,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-02 12:26:59,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:59,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:59,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-02 12:26:59,826 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:26:59,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:59,828 INFO L85 PathProgramCache]: Analyzing trace with hash -866544326, now seen corresponding path program 3 times [2024-11-02 12:26:59,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:59,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979165371] [2024-11-02 12:26:59,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:59,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:00,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:27:00,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:27:00,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979165371] [2024-11-02 12:27:00,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979165371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:00,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:00,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-02 12:27:00,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700380962] [2024-11-02 12:27:00,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:00,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-02 12:27:00,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:27:00,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-02 12:27:00,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-02 12:27:00,814 INFO L87 Difference]: Start difference. First operand 2536 states and 4818 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:02,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:02,768 INFO L93 Difference]: Finished difference Result 4082 states and 7783 transitions. [2024-11-02 12:27:02,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-02 12:27:02,769 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-02 12:27:02,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:02,786 INFO L225 Difference]: With dead ends: 4082 [2024-11-02 12:27:02,786 INFO L226 Difference]: Without dead ends: 4029 [2024-11-02 12:27:02,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2024-11-02 12:27:02,790 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 567 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1840 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:02,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1840 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-02 12:27:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4029 states. [2024-11-02 12:27:02,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4029 to 2536. [2024-11-02 12:27:02,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2536 states, 2523 states have (on average 1.9096313912009513) internal successors, (4818), 2535 states have internal predecessors, (4818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:02,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2536 states and 4818 transitions. [2024-11-02 12:27:02,874 INFO L78 Accepts]: Start accepts. Automaton has 2536 states and 4818 transitions. Word has length 164 [2024-11-02 12:27:02,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:02,874 INFO L471 AbstractCegarLoop]: Abstraction has 2536 states and 4818 transitions. [2024-11-02 12:27:02,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:27:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 4818 transitions. [2024-11-02 12:27:02,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-02 12:27:02,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:02,877 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:02,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-02 12:27:02,878 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-02 12:27:02,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:02,879 INFO L85 PathProgramCache]: Analyzing trace with hash -173553558, now seen corresponding path program 4 times [2024-11-02 12:27:02,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:02,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649407122] [2024-11-02 12:27:02,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:02,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat