./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ --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 a7b1b4de6077c19ce6e7b3206b7aec935b2c49ded10f81f01daddf9a689038c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:10,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:10,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 05:01:10,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:10,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:10,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:10,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:10,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:10,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:10,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:10,456 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:10,456 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:10,457 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:10,457 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:01:10,458 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:10,459 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:10,459 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:01:10,460 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:01:10,460 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:10,461 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:01:10,462 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:01:10,462 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:01:10,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:10,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:10,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:01:10,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:01:10,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:01:10,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:10,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:10,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:10,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:10,468 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 05:01:10,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:01:10,469 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:01:10,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:10,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:10,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:10,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:10,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:10,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:10,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:10,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:10,472 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:01:10,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:01:10,473 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:10,473 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:10,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:10,473 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_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b1b4de6077c19ce6e7b3206b7aec935b2c49ded10f81f01daddf9a689038c1 [2023-11-19 05:01:10,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:10,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:10,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:10,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:10,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:10,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i [2023-11-19 05:01:13,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:14,360 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:14,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i [2023-11-19 05:01:14,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/data/2bb5a4d86/ba070991938a45479b9506d9abd5ba47/FLAGb4862be1b [2023-11-19 05:01:14,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/data/2bb5a4d86/ba070991938a45479b9506d9abd5ba47 [2023-11-19 05:01:14,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:14,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:14,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:14,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:14,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:14,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:14,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458c2bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14, skipping insertion in model container [2023-11-19 05:01:14,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:14,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:14,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:14,849 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:01:14,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:14,946 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:01:14,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14 WrapperNode [2023-11-19 05:01:14,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:14,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:14,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:01:14,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:01:14,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:14,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:15,026 INFO L138 Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 27, calls inlined = 38, statements flattened = 319 [2023-11-19 05:01:15,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:15,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:01:15,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:01:15,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:01:15,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:15,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:15,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:15,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:15,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:15,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:15,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:15,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:15,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:01:15,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:01:15,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:01:15,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:01:15,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (1/1) ... [2023-11-19 05:01:15,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:15,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:15,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:01:15,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69cfe4d9-d66b-46c9-85ee-c79ce34a3932/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:01:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 05:01:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 05:01:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:01:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:01:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:01:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:01:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:01:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:01:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:01:15,174 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:01:15,306 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:01:15,308 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:01:15,920 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:01:16,227 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:01:16,227 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 05:01:16,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:16 BoogieIcfgContainer [2023-11-19 05:01:16,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:01:16,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:01:16,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:01:16,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:01:16,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:14" (1/3) ... [2023-11-19 05:01:16,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de0ef09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:16, skipping insertion in model container [2023-11-19 05:01:16,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:14" (2/3) ... [2023-11-19 05:01:16,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de0ef09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:16, skipping insertion in model container [2023-11-19 05:01:16,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:16" (3/3) ... [2023-11-19 05:01:16,251 INFO L112 eAbstractionObserver]: Analyzing ICFG 41_FreeBSD_abd_kbd_sliced.i [2023-11-19 05:01:16,262 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 05:01:16,274 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:01:16,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2023-11-19 05:01:16,275 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:01:16,382 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 05:01:16,435 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:01:16,453 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 225 transitions, 454 flow [2023-11-19 05:01:16,462 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 225 transitions, 454 flow [2023-11-19 05:01:16,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 225 transitions, 454 flow [2023-11-19 05:01:16,555 INFO L124 PetriNetUnfolderBase]: 25/236 cut-off events. [2023-11-19 05:01:16,556 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 05:01:16,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 236 events. 25/236 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 817 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 211. Up to 7 conditions per place. [2023-11-19 05:01:16,571 INFO L119 LiptonReduction]: Number of co-enabled transitions 5544 [2023-11-19 05:01:23,615 INFO L134 LiptonReduction]: Checked pairs total: 5450 [2023-11-19 05:01:23,615 INFO L136 LiptonReduction]: Total number of compositions: 353 [2023-11-19 05:01:23,623 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 114 flow [2023-11-19 05:01:23,666 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 227 states, 146 states have (on average 2.9178082191780823) internal successors, (426), 226 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:23,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:01:23,703 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43198d7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:01:23,703 INFO L358 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2023-11-19 05:01:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 146 states have (on average 2.9178082191780823) internal successors, (426), 226 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 05:01:23,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:23,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 05:01:23,717 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2023-11-19 05:01:23,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:23,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1487287886, now seen corresponding path program 1 times [2023-11-19 05:01:23,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:23,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523801348] [2023-11-19 05:01:23,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:23,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:01:23,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:23,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523801348] [2023-11-19 05:01:23,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523801348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:23,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:23,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 05:01:23,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702173455] [2023-11-19 05:01:23,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:23,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:01:23,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:24,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:01:24,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:01:24,005 INFO L87 Difference]: Start difference. First operand has 227 states, 146 states have (on average 2.9178082191780823) internal successors, (426), 226 states have internal predecessors, (426), 0 states have call successors, (0), 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 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:24,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:24,054 INFO L93 Difference]: Finished difference Result 23 states and 46 transitions. [2023-11-19 05:01:24,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:01:24,057 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2023-11-19 05:01:24,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:24,066 INFO L225 Difference]: With dead ends: 23 [2023-11-19 05:01:24,066 INFO L226 Difference]: Without dead ends: 23 [2023-11-19 05:01:24,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:01:24,072 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:24,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:01:24,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-19 05:01:24,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-19 05:01:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 2.090909090909091) internal successors, (46), 22 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:24,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 46 transitions. [2023-11-19 05:01:24,111 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 46 transitions. Word has length 5 [2023-11-19 05:01:24,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:24,112 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 46 transitions. [2023-11-19 05:01:24,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 46 transitions. [2023-11-19 05:01:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 05:01:24,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:24,114 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-19 05:01:24,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:01:24,118 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2023-11-19 05:01:24,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:24,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1138451674, now seen corresponding path program 1 times [2023-11-19 05:01:24,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:24,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383870525] [2023-11-19 05:01:24,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:24,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:01:24,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:01:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:01:24,219 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:01:24,219 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:01:24,221 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (80 of 81 remaining) [2023-11-19 05:01:24,225 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2023-11-19 05:01:24,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2023-11-19 05:01:24,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2023-11-19 05:01:24,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2023-11-19 05:01:24,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2023-11-19 05:01:24,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2023-11-19 05:01:24,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2023-11-19 05:01:24,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2023-11-19 05:01:24,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2023-11-19 05:01:24,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2023-11-19 05:01:24,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2023-11-19 05:01:24,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2023-11-19 05:01:24,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2023-11-19 05:01:24,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2023-11-19 05:01:24,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2023-11-19 05:01:24,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2023-11-19 05:01:24,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2023-11-19 05:01:24,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2023-11-19 05:01:24,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2023-11-19 05:01:24,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2023-11-19 05:01:24,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2023-11-19 05:01:24,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2023-11-19 05:01:24,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2023-11-19 05:01:24,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2023-11-19 05:01:24,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2023-11-19 05:01:24,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2023-11-19 05:01:24,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2023-11-19 05:01:24,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2023-11-19 05:01:24,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2023-11-19 05:01:24,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2023-11-19 05:01:24,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2023-11-19 05:01:24,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2023-11-19 05:01:24,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2023-11-19 05:01:24,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2023-11-19 05:01:24,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2023-11-19 05:01:24,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2023-11-19 05:01:24,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2023-11-19 05:01:24,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2023-11-19 05:01:24,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2023-11-19 05:01:24,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2023-11-19 05:01:24,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2023-11-19 05:01:24,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2023-11-19 05:01:24,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2023-11-19 05:01:24,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2023-11-19 05:01:24,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (35 of 81 remaining) [2023-11-19 05:01:24,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 81 remaining) [2023-11-19 05:01:24,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 81 remaining) [2023-11-19 05:01:24,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2023-11-19 05:01:24,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2023-11-19 05:01:24,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2023-11-19 05:01:24,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2023-11-19 05:01:24,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2023-11-19 05:01:24,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2023-11-19 05:01:24,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2023-11-19 05:01:24,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2023-11-19 05:01:24,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2023-11-19 05:01:24,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2023-11-19 05:01:24,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2023-11-19 05:01:24,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2023-11-19 05:01:24,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2023-11-19 05:01:24,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2023-11-19 05:01:24,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2023-11-19 05:01:24,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2023-11-19 05:01:24,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2023-11-19 05:01:24,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2023-11-19 05:01:24,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2023-11-19 05:01:24,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2023-11-19 05:01:24,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2023-11-19 05:01:24,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2023-11-19 05:01:24,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2023-11-19 05:01:24,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2023-11-19 05:01:24,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2023-11-19 05:01:24,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2023-11-19 05:01:24,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2023-11-19 05:01:24,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2023-11-19 05:01:24,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2023-11-19 05:01:24,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2023-11-19 05:01:24,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2023-11-19 05:01:24,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2023-11-19 05:01:24,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2023-11-19 05:01:24,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:01:24,269 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:01:24,272 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-19 05:01:24,272 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-19 05:01:24,346 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 05:01:24,356 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:01:24,356 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 424 transitions, 858 flow [2023-11-19 05:01:24,357 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 424 transitions, 858 flow [2023-11-19 05:01:24,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 382 places, 424 transitions, 858 flow [2023-11-19 05:01:24,518 INFO L124 PetriNetUnfolderBase]: 49/448 cut-off events. [2023-11-19 05:01:24,518 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 05:01:24,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 448 events. 49/448 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2217 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 409. Up to 7 conditions per place. [2023-11-19 05:01:24,578 INFO L119 LiptonReduction]: Number of co-enabled transitions 89892 [2023-11-19 05:01:34,675 INFO L134 LiptonReduction]: Checked pairs total: 477216 [2023-11-19 05:01:34,675 INFO L136 LiptonReduction]: Total number of compositions: 491 [2023-11-19 05:01:34,677 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 197 places, 224 transitions, 458 flow [2023-11-19 05:01:36,490 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 52360 states, 48959 states have (on average 3.365591617475847) internal successors, (164776), 52359 states have internal predecessors, (164776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:36,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:01:36,492 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43198d7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:01:36,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2023-11-19 05:01:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 52360 states, 48959 states have (on average 3.365591617475847) internal successors, (164776), 52359 states have internal predecessors, (164776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 05:01:36,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:36,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 05:01:36,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-11-19 05:01:36,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:36,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1752407629, now seen corresponding path program 1 times [2023-11-19 05:01:36,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:36,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614512283] [2023-11-19 05:01:36,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:36,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:36,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:01:36,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:36,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614512283] [2023-11-19 05:01:36,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614512283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:36,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:36,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 05:01:36,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178024861] [2023-11-19 05:01:36,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:36,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:01:36,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:36,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:01:36,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:01:36,950 INFO L87 Difference]: Start difference. First operand has 52360 states, 48959 states have (on average 3.365591617475847) internal successors, (164776), 52359 states have internal predecessors, (164776), 0 states have call successors, (0), 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 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:37,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:37,619 INFO L93 Difference]: Finished difference Result 22047 states and 66163 transitions. [2023-11-19 05:01:37,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:01:37,622 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2023-11-19 05:01:37,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:37,866 INFO L225 Difference]: With dead ends: 22047 [2023-11-19 05:01:37,866 INFO L226 Difference]: Without dead ends: 22047 [2023-11-19 05:01:37,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:01:37,868 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:37,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:01:37,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22047 states. [2023-11-19 05:01:38,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22047 to 22047. [2023-11-19 05:01:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22047 states, 21851 states have (on average 3.0279163425014874) internal successors, (66163), 22046 states have internal predecessors, (66163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22047 states to 22047 states and 66163 transitions. [2023-11-19 05:01:39,012 INFO L78 Accepts]: Start accepts. Automaton has 22047 states and 66163 transitions. Word has length 5 [2023-11-19 05:01:39,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:39,013 INFO L495 AbstractCegarLoop]: Abstraction has 22047 states and 66163 transitions. [2023-11-19 05:01:39,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:39,013 INFO L276 IsEmpty]: Start isEmpty. Operand 22047 states and 66163 transitions. [2023-11-19 05:01:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 05:01:39,014 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:39,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:39,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:01:39,015 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-11-19 05:01:39,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:39,016 INFO L85 PathProgramCache]: Analyzing trace with hash -436483367, now seen corresponding path program 1 times [2023-11-19 05:01:39,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:39,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92690804] [2023-11-19 05:01:39,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:39,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:01:39,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:39,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92690804] [2023-11-19 05:01:39,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92690804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:39,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:39,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:01:39,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475429028] [2023-11-19 05:01:39,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:39,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:01:39,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:39,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:01:39,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:01:39,102 INFO L87 Difference]: Start difference. First operand 22047 states and 66163 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:39,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:39,807 INFO L93 Difference]: Finished difference Result 32456 states and 96229 transitions. [2023-11-19 05:01:39,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:01:39,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2023-11-19 05:01:39,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:40,148 INFO L225 Difference]: With dead ends: 32456 [2023-11-19 05:01:40,148 INFO L226 Difference]: Without dead ends: 32456 [2023-11-19 05:01:40,149 INFO L412 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 [2023-11-19 05:01:40,150 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 105 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:40,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 193 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:01:40,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32456 states. [2023-11-19 05:01:41,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32456 to 23152. [2023-11-19 05:01:41,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23152 states, 22981 states have (on average 2.953439798094078) internal successors, (67873), 23151 states have internal predecessors, (67873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23152 states to 23152 states and 67873 transitions. [2023-11-19 05:01:41,377 INFO L78 Accepts]: Start accepts. Automaton has 23152 states and 67873 transitions. Word has length 7 [2023-11-19 05:01:41,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:41,377 INFO L495 AbstractCegarLoop]: Abstraction has 23152 states and 67873 transitions. [2023-11-19 05:01:41,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 23152 states and 67873 transitions. [2023-11-19 05:01:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 05:01:41,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:41,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:41,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:01:41,381 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-11-19 05:01:41,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:41,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1227380694, now seen corresponding path program 1 times [2023-11-19 05:01:41,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:41,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915983487] [2023-11-19 05:01:41,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:41,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:01:41,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:41,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915983487] [2023-11-19 05:01:41,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915983487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:41,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:41,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:01:41,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211537141] [2023-11-19 05:01:41,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:41,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:01:41,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:41,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:01:41,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:01:41,455 INFO L87 Difference]: Start difference. First operand 23152 states and 67873 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:41,993 INFO L93 Difference]: Finished difference Result 40138 states and 117357 transitions. [2023-11-19 05:01:41,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:01:41,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2023-11-19 05:01:41,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:42,355 INFO L225 Difference]: With dead ends: 40138 [2023-11-19 05:01:42,355 INFO L226 Difference]: Without dead ends: 40138 [2023-11-19 05:01:42,356 INFO L412 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 [2023-11-19 05:01:42,357 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 135 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:42,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 222 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:01:42,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40138 states. [2023-11-19 05:01:43,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40138 to 23855. [2023-11-19 05:01:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23855 states, 23723 states have (on average 2.9246301058044937) internal successors, (69381), 23854 states have internal predecessors, (69381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 69381 transitions. [2023-11-19 05:01:43,621 INFO L78 Accepts]: Start accepts. Automaton has 23855 states and 69381 transitions. Word has length 10 [2023-11-19 05:01:43,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:43,622 INFO L495 AbstractCegarLoop]: Abstraction has 23855 states and 69381 transitions. [2023-11-19 05:01:43,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 23855 states and 69381 transitions. [2023-11-19 05:01:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:01:43,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:43,629 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-19 05:01:43,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:01:43,629 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-11-19 05:01:43,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:43,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1463445837, now seen corresponding path program 1 times [2023-11-19 05:01:43,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:43,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861492276] [2023-11-19 05:01:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:43,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:01:43,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:01:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:01:43,677 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:01:43,684 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:01:43,684 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (120 of 121 remaining) [2023-11-19 05:01:43,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (119 of 121 remaining) [2023-11-19 05:01:43,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (118 of 121 remaining) [2023-11-19 05:01:43,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (117 of 121 remaining) [2023-11-19 05:01:43,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (116 of 121 remaining) [2023-11-19 05:01:43,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (115 of 121 remaining) [2023-11-19 05:01:43,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (114 of 121 remaining) [2023-11-19 05:01:43,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (113 of 121 remaining) [2023-11-19 05:01:43,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (112 of 121 remaining) [2023-11-19 05:01:43,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (111 of 121 remaining) [2023-11-19 05:01:43,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (110 of 121 remaining) [2023-11-19 05:01:43,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (109 of 121 remaining) [2023-11-19 05:01:43,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (108 of 121 remaining) [2023-11-19 05:01:43,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (107 of 121 remaining) [2023-11-19 05:01:43,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (106 of 121 remaining) [2023-11-19 05:01:43,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (105 of 121 remaining) [2023-11-19 05:01:43,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (104 of 121 remaining) [2023-11-19 05:01:43,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (103 of 121 remaining) [2023-11-19 05:01:43,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (102 of 121 remaining) [2023-11-19 05:01:43,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (101 of 121 remaining) [2023-11-19 05:01:43,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (100 of 121 remaining) [2023-11-19 05:01:43,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (99 of 121 remaining) [2023-11-19 05:01:43,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (98 of 121 remaining) [2023-11-19 05:01:43,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (97 of 121 remaining) [2023-11-19 05:01:43,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (96 of 121 remaining) [2023-11-19 05:01:43,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (95 of 121 remaining) [2023-11-19 05:01:43,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (94 of 121 remaining) [2023-11-19 05:01:43,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (93 of 121 remaining) [2023-11-19 05:01:43,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (92 of 121 remaining) [2023-11-19 05:01:43,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (91 of 121 remaining) [2023-11-19 05:01:43,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (90 of 121 remaining) [2023-11-19 05:01:43,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (89 of 121 remaining) [2023-11-19 05:01:43,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (88 of 121 remaining) [2023-11-19 05:01:43,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (87 of 121 remaining) [2023-11-19 05:01:43,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (86 of 121 remaining) [2023-11-19 05:01:43,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (85 of 121 remaining) [2023-11-19 05:01:43,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (84 of 121 remaining) [2023-11-19 05:01:43,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (83 of 121 remaining) [2023-11-19 05:01:43,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (82 of 121 remaining) [2023-11-19 05:01:43,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (81 of 121 remaining) [2023-11-19 05:01:43,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (80 of 121 remaining) [2023-11-19 05:01:43,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (79 of 121 remaining) [2023-11-19 05:01:43,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (78 of 121 remaining) [2023-11-19 05:01:43,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (77 of 121 remaining) [2023-11-19 05:01:43,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (76 of 121 remaining) [2023-11-19 05:01:43,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 121 remaining) [2023-11-19 05:01:43,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (74 of 121 remaining) [2023-11-19 05:01:43,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (73 of 121 remaining) [2023-11-19 05:01:43,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 121 remaining) [2023-11-19 05:01:43,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (71 of 121 remaining) [2023-11-19 05:01:43,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (70 of 121 remaining) [2023-11-19 05:01:43,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (69 of 121 remaining) [2023-11-19 05:01:43,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (68 of 121 remaining) [2023-11-19 05:01:43,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (67 of 121 remaining) [2023-11-19 05:01:43,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (66 of 121 remaining) [2023-11-19 05:01:43,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (65 of 121 remaining) [2023-11-19 05:01:43,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (64 of 121 remaining) [2023-11-19 05:01:43,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (63 of 121 remaining) [2023-11-19 05:01:43,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (62 of 121 remaining) [2023-11-19 05:01:43,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 121 remaining) [2023-11-19 05:01:43,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (60 of 121 remaining) [2023-11-19 05:01:43,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 121 remaining) [2023-11-19 05:01:43,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (58 of 121 remaining) [2023-11-19 05:01:43,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (57 of 121 remaining) [2023-11-19 05:01:43,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (56 of 121 remaining) [2023-11-19 05:01:43,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (55 of 121 remaining) [2023-11-19 05:01:43,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (54 of 121 remaining) [2023-11-19 05:01:43,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (53 of 121 remaining) [2023-11-19 05:01:43,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (52 of 121 remaining) [2023-11-19 05:01:43,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (51 of 121 remaining) [2023-11-19 05:01:43,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 121 remaining) [2023-11-19 05:01:43,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (49 of 121 remaining) [2023-11-19 05:01:43,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (48 of 121 remaining) [2023-11-19 05:01:43,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (47 of 121 remaining) [2023-11-19 05:01:43,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (46 of 121 remaining) [2023-11-19 05:01:43,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (45 of 121 remaining) [2023-11-19 05:01:43,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 121 remaining) [2023-11-19 05:01:43,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (43 of 121 remaining) [2023-11-19 05:01:43,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (42 of 121 remaining) [2023-11-19 05:01:43,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (41 of 121 remaining) [2023-11-19 05:01:43,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (40 of 121 remaining) [2023-11-19 05:01:43,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 121 remaining) [2023-11-19 05:01:43,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 121 remaining) [2023-11-19 05:01:43,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 121 remaining) [2023-11-19 05:01:43,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (36 of 121 remaining) [2023-11-19 05:01:43,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (35 of 121 remaining) [2023-11-19 05:01:43,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 121 remaining) [2023-11-19 05:01:43,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 121 remaining) [2023-11-19 05:01:43,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 121 remaining) [2023-11-19 05:01:43,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (31 of 121 remaining) [2023-11-19 05:01:43,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (30 of 121 remaining) [2023-11-19 05:01:43,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (29 of 121 remaining) [2023-11-19 05:01:43,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (28 of 121 remaining) [2023-11-19 05:01:43,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 121 remaining) [2023-11-19 05:01:43,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 121 remaining) [2023-11-19 05:01:43,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (25 of 121 remaining) [2023-11-19 05:01:43,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (24 of 121 remaining) [2023-11-19 05:01:43,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (23 of 121 remaining) [2023-11-19 05:01:43,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 121 remaining) [2023-11-19 05:01:43,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (21 of 121 remaining) [2023-11-19 05:01:43,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (20 of 121 remaining) [2023-11-19 05:01:43,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 121 remaining) [2023-11-19 05:01:43,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (18 of 121 remaining) [2023-11-19 05:01:43,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (17 of 121 remaining) [2023-11-19 05:01:43,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (16 of 121 remaining) [2023-11-19 05:01:43,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (15 of 121 remaining) [2023-11-19 05:01:43,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (14 of 121 remaining) [2023-11-19 05:01:43,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (13 of 121 remaining) [2023-11-19 05:01:43,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (12 of 121 remaining) [2023-11-19 05:01:43,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (11 of 121 remaining) [2023-11-19 05:01:43,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (10 of 121 remaining) [2023-11-19 05:01:43,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (9 of 121 remaining) [2023-11-19 05:01:43,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (8 of 121 remaining) [2023-11-19 05:01:43,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (7 of 121 remaining) [2023-11-19 05:01:43,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (6 of 121 remaining) [2023-11-19 05:01:43,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (5 of 121 remaining) [2023-11-19 05:01:43,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 121 remaining) [2023-11-19 05:01:43,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (3 of 121 remaining) [2023-11-19 05:01:43,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (2 of 121 remaining) [2023-11-19 05:01:43,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (1 of 121 remaining) [2023-11-19 05:01:43,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (0 of 121 remaining) [2023-11-19 05:01:43,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 05:01:43,713 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 05:01:43,713 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-19 05:01:43,713 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-19 05:01:43,980 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 05:01:43,989 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:01:43,989 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 560 places, 623 transitions, 1264 flow [2023-11-19 05:01:43,990 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 560 places, 623 transitions, 1264 flow [2023-11-19 05:01:43,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 560 places, 623 transitions, 1264 flow [2023-11-19 05:01:44,247 INFO L124 PetriNetUnfolderBase]: 73/660 cut-off events. [2023-11-19 05:01:44,248 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-19 05:01:44,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 660 events. 73/660 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3848 event pairs, 0 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 607. Up to 8 conditions per place. [2023-11-19 05:01:44,358 INFO L119 LiptonReduction]: Number of co-enabled transitions 253044