./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 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_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf4857c62d483a773a35fae36979eac9c903a6d30c1e665676e5036b445ef343 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:03:48,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:03:48,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 21:03:48,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:03:48,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:03:48,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:03:48,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:03:48,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:03:48,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:03:48,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:03:48,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:03:48,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:03:48,665 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:03:48,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:03:48,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:03:48,667 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:03:48,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:03:48,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:03:48,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:03:48,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:03:48,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:03:48,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:03:48,672 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 21:03:48,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:03:48,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:03:48,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:03:48,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:03:48,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:03:48,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:03:48,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:03:48,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:48,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:03:48,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:03:48,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:03:48,678 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:03:48,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:03:48,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:03:48,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:03:48,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:03:48,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:03:48,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:03:48,681 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf4857c62d483a773a35fae36979eac9c903a6d30c1e665676e5036b445ef343 [2023-11-21 21:03:49,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:03:49,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:03:49,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:03:49,052 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:03:49,052 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:03:49,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-2.i [2023-11-21 21:03:52,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:03:52,490 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:03:52,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/sv-benchmarks/c/pthread-race-challenges/per-thread-index-bitmask-race-2.i [2023-11-21 21:03:52,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/data/e24d8840d/acccb9ae0ae947d0a06c2b79a29b2933/FLAGb4e0db84f [2023-11-21 21:03:52,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/data/e24d8840d/acccb9ae0ae947d0a06c2b79a29b2933 [2023-11-21 21:03:52,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:03:52,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:03:52,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:52,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:03:52,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:03:52,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:52" (1/1) ... [2023-11-21 21:03:52,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6f75c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:52, skipping insertion in model container [2023-11-21 21:03:52,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:52" (1/1) ... [2023-11-21 21:03:52,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:03:52,870 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 21:03:53,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:53,206 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:03:53,222 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 21:03:53,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:53,316 WARN L675 CHandler]: The function ffs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:53,316 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:53,325 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:03:53,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53 WrapperNode [2023-11-21 21:03:53,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:53,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:53,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:03:53,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:03:53,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,388 INFO L138 Inliner]: procedures = 282, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 132 [2023-11-21 21:03:53,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:53,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:03:53,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:03:53,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:03:53,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:03:53,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:03:53,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:03:53,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:03:53,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (1/1) ... [2023-11-21 21:03:53,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:53,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:03:53,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:03:53,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:03:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:03:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 21:03:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:03:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 21:03:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 21:03:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:03:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:03:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 21:03:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:03:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:03:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2023-11-21 21:03:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:03:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-21 21:03:53,557 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-21 21:03:53,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:03:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:03:53,560 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 21:03:53,734 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:03:53,736 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:03:54,184 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:03:54,216 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:03:54,217 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 21:03:54,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:54 BoogieIcfgContainer [2023-11-21 21:03:54,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:03:54,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:03:54,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:03:54,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:03:54,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:03:52" (1/3) ... [2023-11-21 21:03:54,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610734ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:54, skipping insertion in model container [2023-11-21 21:03:54,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:53" (2/3) ... [2023-11-21 21:03:54,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610734ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:54, skipping insertion in model container [2023-11-21 21:03:54,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:54" (3/3) ... [2023-11-21 21:03:54,227 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-index-bitmask-race-2.i [2023-11-21 21:03:54,234 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 21:03:54,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:03:54,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-11-21 21:03:54,243 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 21:03:54,355 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-21 21:03:54,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 198 transitions, 403 flow [2023-11-21 21:03:54,543 INFO L124 PetriNetUnfolderBase]: 16/287 cut-off events. [2023-11-21 21:03:54,546 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-21 21:03:54,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 287 events. 16/287 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 614 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 144. Up to 6 conditions per place. [2023-11-21 21:03:54,555 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 198 transitions, 403 flow [2023-11-21 21:03:54,572 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 198 transitions, 403 flow [2023-11-21 21:03:54,593 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:03:54,603 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=PETRI_NET, 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;@72918631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:03:54,603 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2023-11-21 21:03:54,626 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 21:03:54,626 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2023-11-21 21:03:54,626 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 21:03:54,627 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:54,628 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:54,628 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:03:54,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:54,636 INFO L85 PathProgramCache]: Analyzing trace with hash -28511251, now seen corresponding path program 1 times [2023-11-21 21:03:54,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:54,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714059183] [2023-11-21 21:03:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:54,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:54,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714059183] [2023-11-21 21:03:54,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714059183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:54,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:54,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:54,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453378551] [2023-11-21 21:03:54,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:54,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:55,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:55,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:55,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:55,088 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 198 [2023-11-21 21:03:55,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 198 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 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) [2023-11-21 21:03:55,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:55,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 198 [2023-11-21 21:03:55,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:55,241 INFO L124 PetriNetUnfolderBase]: 34/480 cut-off events. [2023-11-21 21:03:55,241 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-21 21:03:55,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 480 events. 34/480 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1842 event pairs, 12 based on Foata normal form. 10/421 useless extension candidates. Maximal degree in co-relation 373. Up to 41 conditions per place. [2023-11-21 21:03:55,251 INFO L140 encePairwiseOnDemand]: 191/198 looper letters, 12 selfloop transitions, 2 changer transitions 2/193 dead transitions. [2023-11-21 21:03:55,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 421 flow [2023-11-21 21:03:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:55,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2023-11-21 21:03:55,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.936026936026936 [2023-11-21 21:03:55,277 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2023-11-21 21:03:55,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2023-11-21 21:03:55,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:55,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2023-11-21 21:03:55,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 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) [2023-11-21 21:03:55,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:03:55,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:03:55,305 INFO L175 Difference]: Start difference. First operand has 190 places, 198 transitions, 403 flow. Second operand 3 states and 556 transitions. [2023-11-21 21:03:55,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 421 flow [2023-11-21 21:03:55,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 193 transitions, 421 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:03:55,317 INFO L231 Difference]: Finished difference. Result has 191 places, 191 transitions, 393 flow [2023-11-21 21:03:55,319 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=191, PETRI_TRANSITIONS=191} [2023-11-21 21:03:55,323 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 1 predicate places. [2023-11-21 21:03:55,324 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 191 transitions, 393 flow [2023-11-21 21:03:55,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 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) [2023-11-21 21:03:55,325 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:55,325 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:55,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:03:55,326 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:03:55,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:55,326 INFO L85 PathProgramCache]: Analyzing trace with hash -970702271, now seen corresponding path program 1 times [2023-11-21 21:03:55,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:55,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627982728] [2023-11-21 21:03:55,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:55,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:55,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:55,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627982728] [2023-11-21 21:03:55,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627982728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:55,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:55,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:55,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780792485] [2023-11-21 21:03:55,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:55,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:55,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:55,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:55,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:55,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 198 [2023-11-21 21:03:55,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 191 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 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) [2023-11-21 21:03:55,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:55,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 198 [2023-11-21 21:03:55,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:55,714 INFO L124 PetriNetUnfolderBase]: 84/750 cut-off events. [2023-11-21 21:03:55,714 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-21 21:03:55,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 877 conditions, 750 events. 84/750 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3896 event pairs, 18 based on Foata normal form. 0/650 useless extension candidates. Maximal degree in co-relation 831. Up to 64 conditions per place. [2023-11-21 21:03:55,721 INFO L140 encePairwiseOnDemand]: 187/198 looper letters, 21 selfloop transitions, 8 changer transitions 0/203 dead transitions. [2023-11-21 21:03:55,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 203 transitions, 475 flow [2023-11-21 21:03:55,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:55,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2023-11-21 21:03:55,726 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9478114478114478 [2023-11-21 21:03:55,726 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2023-11-21 21:03:55,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2023-11-21 21:03:55,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:55,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2023-11-21 21:03:55,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2023-11-21 21:03:55,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:03:55,735 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:03:55,735 INFO L175 Difference]: Start difference. First operand has 191 places, 191 transitions, 393 flow. Second operand 3 states and 563 transitions. [2023-11-21 21:03:55,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 203 transitions, 475 flow [2023-11-21 21:03:55,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 203 transitions, 471 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:03:55,747 INFO L231 Difference]: Finished difference. Result has 191 places, 199 transitions, 459 flow [2023-11-21 21:03:55,750 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=191, PETRI_TRANSITIONS=199} [2023-11-21 21:03:55,751 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 1 predicate places. [2023-11-21 21:03:55,751 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 199 transitions, 459 flow [2023-11-21 21:03:55,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 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) [2023-11-21 21:03:55,752 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:55,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:55,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:03:55,755 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:03:55,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:55,761 INFO L85 PathProgramCache]: Analyzing trace with hash 360856773, now seen corresponding path program 1 times [2023-11-21 21:03:55,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:55,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316405729] [2023-11-21 21:03:55,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:55,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:56,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:56,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316405729] [2023-11-21 21:03:56,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316405729] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:56,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:56,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:03:56,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637521192] [2023-11-21 21:03:56,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:56,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:03:56,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:56,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:03:56,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:03:56,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 198 [2023-11-21 21:03:56,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 199 transitions, 459 flow. Second operand has 5 states, 5 states have (on average 178.4) internal successors, (892), 5 states have internal predecessors, (892), 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) [2023-11-21 21:03:56,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:56,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 198 [2023-11-21 21:03:56,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:56,238 INFO L124 PetriNetUnfolderBase]: 68/770 cut-off events. [2023-11-21 21:03:56,239 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2023-11-21 21:03:56,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 934 conditions, 770 events. 68/770 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4146 event pairs, 7 based on Foata normal form. 1/679 useless extension candidates. Maximal degree in co-relation 745. Up to 61 conditions per place. [2023-11-21 21:03:56,245 INFO L140 encePairwiseOnDemand]: 190/198 looper letters, 19 selfloop transitions, 6 changer transitions 1/208 dead transitions. [2023-11-21 21:03:56,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 208 transitions, 529 flow [2023-11-21 21:03:56,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:03:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:03:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1089 transitions. [2023-11-21 21:03:56,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2023-11-21 21:03:56,250 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1089 transitions. [2023-11-21 21:03:56,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1089 transitions. [2023-11-21 21:03:56,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:56,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1089 transitions. [2023-11-21 21:03:56,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 181.5) internal successors, (1089), 6 states have internal predecessors, (1089), 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) [2023-11-21 21:03:56,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2023-11-21 21:03:56,261 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2023-11-21 21:03:56,261 INFO L175 Difference]: Start difference. First operand has 191 places, 199 transitions, 459 flow. Second operand 6 states and 1089 transitions. [2023-11-21 21:03:56,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 208 transitions, 529 flow [2023-11-21 21:03:56,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 208 transitions, 513 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:03:56,274 INFO L231 Difference]: Finished difference. Result has 198 places, 203 transitions, 485 flow [2023-11-21 21:03:56,274 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=485, PETRI_PLACES=198, PETRI_TRANSITIONS=203} [2023-11-21 21:03:56,276 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 8 predicate places. [2023-11-21 21:03:56,276 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 203 transitions, 485 flow [2023-11-21 21:03:56,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 178.4) internal successors, (892), 5 states have internal predecessors, (892), 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) [2023-11-21 21:03:56,278 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:56,278 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:56,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:03:56,279 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:03:56,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:56,280 INFO L85 PathProgramCache]: Analyzing trace with hash -827057304, now seen corresponding path program 1 times [2023-11-21 21:03:56,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:56,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757054795] [2023-11-21 21:03:56,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:56,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:56,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:56,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757054795] [2023-11-21 21:03:56,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757054795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:56,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:56,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:03:56,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001768459] [2023-11-21 21:03:56,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:56,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:03:56,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:56,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:03:56,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:03:57,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 198 [2023-11-21 21:03:57,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 203 transitions, 485 flow. Second operand has 6 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 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) [2023-11-21 21:03:57,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:57,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 198 [2023-11-21 21:03:57,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:57,556 INFO L124 PetriNetUnfolderBase]: 223/1359 cut-off events. [2023-11-21 21:03:57,556 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-21 21:03:57,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1914 conditions, 1359 events. 223/1359 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 8779 event pairs, 57 based on Foata normal form. 0/1193 useless extension candidates. Maximal degree in co-relation 1758. Up to 237 conditions per place. [2023-11-21 21:03:57,569 INFO L140 encePairwiseOnDemand]: 175/198 looper letters, 46 selfloop transitions, 29 changer transitions 0/246 dead transitions. [2023-11-21 21:03:57,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 246 transitions, 724 flow [2023-11-21 21:03:57,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:03:57,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:03:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1050 transitions. [2023-11-21 21:03:57,573 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8838383838383839 [2023-11-21 21:03:57,574 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1050 transitions. [2023-11-21 21:03:57,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1050 transitions. [2023-11-21 21:03:57,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:57,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1050 transitions. [2023-11-21 21:03:57,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 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) [2023-11-21 21:03:57,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2023-11-21 21:03:57,584 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2023-11-21 21:03:57,585 INFO L175 Difference]: Start difference. First operand has 198 places, 203 transitions, 485 flow. Second operand 6 states and 1050 transitions. [2023-11-21 21:03:57,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 246 transitions, 724 flow [2023-11-21 21:03:57,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 246 transitions, 722 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:03:57,593 INFO L231 Difference]: Finished difference. Result has 207 places, 232 transitions, 703 flow [2023-11-21 21:03:57,594 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=703, PETRI_PLACES=207, PETRI_TRANSITIONS=232} [2023-11-21 21:03:57,595 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 17 predicate places. [2023-11-21 21:03:57,595 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 232 transitions, 703 flow [2023-11-21 21:03:57,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 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) [2023-11-21 21:03:57,597 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:57,597 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:57,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 21:03:57,597 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:03:57,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:57,598 INFO L85 PathProgramCache]: Analyzing trace with hash -675606424, now seen corresponding path program 1 times [2023-11-21 21:03:57,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:57,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43879463] [2023-11-21 21:03:57,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:57,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:57,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:57,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43879463] [2023-11-21 21:03:57,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43879463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:57,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:57,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:57,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723990048] [2023-11-21 21:03:57,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:57,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:57,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:57,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:57,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:57,673 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 198 [2023-11-21 21:03:57,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 232 transitions, 703 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 21:03:57,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:57,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 198 [2023-11-21 21:03:57,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:57,894 INFO L124 PetriNetUnfolderBase]: 146/1090 cut-off events. [2023-11-21 21:03:57,894 INFO L125 PetriNetUnfolderBase]: For 87/87 co-relation queries the response was YES. [2023-11-21 21:03:57,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1710 conditions, 1090 events. 146/1090 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6674 event pairs, 17 based on Foata normal form. 0/999 useless extension candidates. Maximal degree in co-relation 1444. Up to 132 conditions per place. [2023-11-21 21:03:57,904 INFO L140 encePairwiseOnDemand]: 194/198 looper letters, 15 selfloop transitions, 2 changer transitions 4/236 dead transitions. [2023-11-21 21:03:57,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 236 transitions, 745 flow [2023-11-21 21:03:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:03:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:03:57,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2023-11-21 21:03:57,907 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9461279461279462 [2023-11-21 21:03:57,907 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2023-11-21 21:03:57,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2023-11-21 21:03:57,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:57,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2023-11-21 21:03:57,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2023-11-21 21:03:57,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:03:57,914 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:03:57,914 INFO L175 Difference]: Start difference. First operand has 207 places, 232 transitions, 703 flow. Second operand 3 states and 562 transitions. [2023-11-21 21:03:57,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 236 transitions, 745 flow [2023-11-21 21:03:57,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 236 transitions, 745 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:03:57,927 INFO L231 Difference]: Finished difference. Result has 208 places, 228 transitions, 689 flow [2023-11-21 21:03:57,928 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=689, PETRI_PLACES=208, PETRI_TRANSITIONS=228} [2023-11-21 21:03:57,931 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 18 predicate places. [2023-11-21 21:03:57,931 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 228 transitions, 689 flow [2023-11-21 21:03:57,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 21:03:57,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:57,932 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:57,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 21:03:57,933 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:03:57,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:57,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1020983017, now seen corresponding path program 1 times [2023-11-21 21:03:57,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:57,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455810479] [2023-11-21 21:03:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:57,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:58,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:58,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455810479] [2023-11-21 21:03:58,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455810479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:58,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:58,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:03:58,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861164536] [2023-11-21 21:03:58,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:58,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:03:58,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:58,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:03:58,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:03:58,119 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 198 [2023-11-21 21:03:58,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 228 transitions, 689 flow. Second operand has 4 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 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) [2023-11-21 21:03:58,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:58,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 198 [2023-11-21 21:03:58,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:58,399 INFO L124 PetriNetUnfolderBase]: 160/1181 cut-off events. [2023-11-21 21:03:58,399 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2023-11-21 21:03:58,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1860 conditions, 1181 events. 160/1181 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7784 event pairs, 34 based on Foata normal form. 1/1080 useless extension candidates. Maximal degree in co-relation 1613. Up to 126 conditions per place. [2023-11-21 21:03:58,410 INFO L140 encePairwiseOnDemand]: 194/198 looper letters, 17 selfloop transitions, 4 changer transitions 0/234 dead transitions. [2023-11-21 21:03:58,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 234 transitions, 743 flow [2023-11-21 21:03:58,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:03:58,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-21 21:03:58,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 738 transitions. [2023-11-21 21:03:58,414 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9318181818181818 [2023-11-21 21:03:58,415 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 738 transitions. [2023-11-21 21:03:58,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 738 transitions. [2023-11-21 21:03:58,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:58,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 738 transitions. [2023-11-21 21:03:58,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 184.5) internal successors, (738), 4 states have internal predecessors, (738), 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) [2023-11-21 21:03:58,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-11-21 21:03:58,423 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-11-21 21:03:58,423 INFO L175 Difference]: Start difference. First operand has 208 places, 228 transitions, 689 flow. Second operand 4 states and 738 transitions. [2023-11-21 21:03:58,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 234 transitions, 743 flow [2023-11-21 21:03:58,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 234 transitions, 731 flow, removed 5 selfloop flow, removed 4 redundant places. [2023-11-21 21:03:58,435 INFO L231 Difference]: Finished difference. Result has 206 places, 231 transitions, 702 flow [2023-11-21 21:03:58,435 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=702, PETRI_PLACES=206, PETRI_TRANSITIONS=231} [2023-11-21 21:03:58,438 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 16 predicate places. [2023-11-21 21:03:58,438 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 231 transitions, 702 flow [2023-11-21 21:03:58,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 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) [2023-11-21 21:03:58,439 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:58,440 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:58,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 21:03:58,440 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:03:58,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:58,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1181968152, now seen corresponding path program 1 times [2023-11-21 21:03:58,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:58,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467467307] [2023-11-21 21:03:58,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:58,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:58,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:58,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467467307] [2023-11-21 21:03:58,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467467307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:58,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:58,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:03:58,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141994597] [2023-11-21 21:03:58,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:58,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:03:58,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:58,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:03:58,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:03:58,689 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 198 [2023-11-21 21:03:58,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 231 transitions, 702 flow. Second operand has 4 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 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) [2023-11-21 21:03:58,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:58,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 198 [2023-11-21 21:03:58,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:58,901 INFO L124 PetriNetUnfolderBase]: 159/1179 cut-off events. [2023-11-21 21:03:58,902 INFO L125 PetriNetUnfolderBase]: For 110/110 co-relation queries the response was YES. [2023-11-21 21:03:58,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1867 conditions, 1179 events. 159/1179 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7786 event pairs, 34 based on Foata normal form. 1/1075 useless extension candidates. Maximal degree in co-relation 1622. Up to 126 conditions per place. [2023-11-21 21:03:58,913 INFO L140 encePairwiseOnDemand]: 194/198 looper letters, 16 selfloop transitions, 4 changer transitions 0/233 dead transitions. [2023-11-21 21:03:58,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 233 transitions, 746 flow [2023-11-21 21:03:58,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:03:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-21 21:03:58,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 737 transitions. [2023-11-21 21:03:58,917 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9305555555555556 [2023-11-21 21:03:58,917 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 737 transitions. [2023-11-21 21:03:58,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 737 transitions. [2023-11-21 21:03:58,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:58,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 737 transitions. [2023-11-21 21:03:58,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 184.25) internal successors, (737), 4 states have internal predecessors, (737), 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) [2023-11-21 21:03:58,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-11-21 21:03:58,925 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-11-21 21:03:58,925 INFO L175 Difference]: Start difference. First operand has 206 places, 231 transitions, 702 flow. Second operand 4 states and 737 transitions. [2023-11-21 21:03:58,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 233 transitions, 746 flow [2023-11-21 21:03:58,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 233 transitions, 746 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:03:58,935 INFO L231 Difference]: Finished difference. Result has 211 places, 232 transitions, 721 flow [2023-11-21 21:03:58,936 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=721, PETRI_PLACES=211, PETRI_TRANSITIONS=232} [2023-11-21 21:03:58,936 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 21 predicate places. [2023-11-21 21:03:58,937 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 232 transitions, 721 flow [2023-11-21 21:03:58,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 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) [2023-11-21 21:03:58,938 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:58,938 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:58,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 21:03:58,938 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:03:58,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:58,939 INFO L85 PathProgramCache]: Analyzing trace with hash -228229391, now seen corresponding path program 1 times [2023-11-21 21:03:58,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:58,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038285661] [2023-11-21 21:03:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:58,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:59,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:59,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038285661] [2023-11-21 21:03:59,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038285661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:59,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:59,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:03:59,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293276856] [2023-11-21 21:03:59,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:59,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:03:59,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:59,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:03:59,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:03:59,103 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 198 [2023-11-21 21:03:59,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 232 transitions, 721 flow. Second operand has 4 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 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) [2023-11-21 21:03:59,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:59,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 198 [2023-11-21 21:03:59,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:59,342 INFO L124 PetriNetUnfolderBase]: 168/1324 cut-off events. [2023-11-21 21:03:59,342 INFO L125 PetriNetUnfolderBase]: For 134/134 co-relation queries the response was YES. [2023-11-21 21:03:59,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2062 conditions, 1324 events. 168/1324 cut-off events. For 134/134 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 9182 event pairs, 33 based on Foata normal form. 1/1211 useless extension candidates. Maximal degree in co-relation 1945. Up to 150 conditions per place. [2023-11-21 21:03:59,356 INFO L140 encePairwiseOnDemand]: 194/198 looper letters, 17 selfloop transitions, 4 changer transitions 0/234 dead transitions. [2023-11-21 21:03:59,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 234 transitions, 767 flow [2023-11-21 21:03:59,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:03:59,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-21 21:03:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 738 transitions. [2023-11-21 21:03:59,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9318181818181818 [2023-11-21 21:03:59,361 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 738 transitions. [2023-11-21 21:03:59,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 738 transitions. [2023-11-21 21:03:59,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:59,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 738 transitions. [2023-11-21 21:03:59,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 184.5) internal successors, (738), 4 states have internal predecessors, (738), 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) [2023-11-21 21:03:59,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-11-21 21:03:59,368 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-11-21 21:03:59,368 INFO L175 Difference]: Start difference. First operand has 211 places, 232 transitions, 721 flow. Second operand 4 states and 738 transitions. [2023-11-21 21:03:59,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 234 transitions, 767 flow [2023-11-21 21:03:59,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 234 transitions, 764 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:03:59,377 INFO L231 Difference]: Finished difference. Result has 214 places, 232 transitions, 730 flow [2023-11-21 21:03:59,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=730, PETRI_PLACES=214, PETRI_TRANSITIONS=232} [2023-11-21 21:03:59,381 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 24 predicate places. [2023-11-21 21:03:59,381 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 232 transitions, 730 flow [2023-11-21 21:03:59,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 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) [2023-11-21 21:03:59,384 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:59,384 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:59,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 21:03:59,385 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:03:59,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:59,385 INFO L85 PathProgramCache]: Analyzing trace with hash 467342498, now seen corresponding path program 1 times [2023-11-21 21:03:59,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:59,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623166684] [2023-11-21 21:03:59,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:59,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:59,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:59,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623166684] [2023-11-21 21:03:59,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623166684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:59,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:59,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:03:59,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034071351] [2023-11-21 21:03:59,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:59,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:03:59,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:59,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:03:59,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:03:59,537 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 198 [2023-11-21 21:03:59,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 232 transitions, 730 flow. Second operand has 4 states, 4 states have (on average 179.5) internal successors, (718), 4 states have internal predecessors, (718), 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) [2023-11-21 21:03:59,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:59,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 198 [2023-11-21 21:03:59,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:03:59,793 INFO L124 PetriNetUnfolderBase]: 164/1242 cut-off events. [2023-11-21 21:03:59,794 INFO L125 PetriNetUnfolderBase]: For 162/162 co-relation queries the response was YES. [2023-11-21 21:03:59,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1989 conditions, 1242 events. 164/1242 cut-off events. For 162/162 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 8469 event pairs, 38 based on Foata normal form. 1/1136 useless extension candidates. Maximal degree in co-relation 1871. Up to 134 conditions per place. [2023-11-21 21:03:59,807 INFO L140 encePairwiseOnDemand]: 194/198 looper letters, 17 selfloop transitions, 4 changer transitions 0/233 dead transitions. [2023-11-21 21:03:59,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 233 transitions, 774 flow [2023-11-21 21:03:59,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:03:59,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-21 21:03:59,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 734 transitions. [2023-11-21 21:03:59,811 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9267676767676768 [2023-11-21 21:03:59,811 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 734 transitions. [2023-11-21 21:03:59,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 734 transitions. [2023-11-21 21:03:59,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:03:59,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 734 transitions. [2023-11-21 21:03:59,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 183.5) internal successors, (734), 4 states have internal predecessors, (734), 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) [2023-11-21 21:03:59,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-11-21 21:03:59,818 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 198.0) internal successors, (990), 5 states have internal predecessors, (990), 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) [2023-11-21 21:03:59,818 INFO L175 Difference]: Start difference. First operand has 214 places, 232 transitions, 730 flow. Second operand 4 states and 734 transitions. [2023-11-21 21:03:59,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 233 transitions, 774 flow [2023-11-21 21:03:59,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 233 transitions, 766 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-21 21:03:59,828 INFO L231 Difference]: Finished difference. Result has 215 places, 232 transitions, 734 flow [2023-11-21 21:03:59,829 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=734, PETRI_PLACES=215, PETRI_TRANSITIONS=232} [2023-11-21 21:03:59,829 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 25 predicate places. [2023-11-21 21:03:59,830 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 232 transitions, 734 flow [2023-11-21 21:03:59,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 179.5) internal successors, (718), 4 states have internal predecessors, (718), 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) [2023-11-21 21:03:59,830 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:03:59,831 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:03:59,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 21:03:59,831 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:03:59,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:59,832 INFO L85 PathProgramCache]: Analyzing trace with hash 333863884, now seen corresponding path program 1 times [2023-11-21 21:03:59,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:59,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922538051] [2023-11-21 21:03:59,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:59,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:03:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:03:59,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:03:59,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922538051] [2023-11-21 21:03:59,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922538051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:03:59,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:03:59,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:03:59,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256028867] [2023-11-21 21:03:59,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:03:59,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:03:59,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:03:59,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:03:59,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:03:59,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 198 [2023-11-21 21:03:59,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 232 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2023-11-21 21:03:59,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:03:59,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 198 [2023-11-21 21:03:59,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:00,153 INFO L124 PetriNetUnfolderBase]: 187/1301 cut-off events. [2023-11-21 21:04:00,153 INFO L125 PetriNetUnfolderBase]: For 167/174 co-relation queries the response was YES. [2023-11-21 21:04:00,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2078 conditions, 1301 events. 187/1301 cut-off events. For 167/174 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 8732 event pairs, 32 based on Foata normal form. 3/1186 useless extension candidates. Maximal degree in co-relation 2026. Up to 134 conditions per place. [2023-11-21 21:04:00,165 INFO L140 encePairwiseOnDemand]: 192/198 looper letters, 22 selfloop transitions, 7 changer transitions 0/239 dead transitions. [2023-11-21 21:04:00,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 239 transitions, 812 flow [2023-11-21 21:04:00,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2023-11-21 21:04:00,168 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9343434343434344 [2023-11-21 21:04:00,168 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions. [2023-11-21 21:04:00,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions. [2023-11-21 21:04:00,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:00,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions. [2023-11-21 21:04:00,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 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) [2023-11-21 21:04:00,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:04:00,173 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:04:00,174 INFO L175 Difference]: Start difference. First operand has 215 places, 232 transitions, 734 flow. Second operand 3 states and 555 transitions. [2023-11-21 21:04:00,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 239 transitions, 812 flow [2023-11-21 21:04:00,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 239 transitions, 804 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-21 21:04:00,183 INFO L231 Difference]: Finished difference. Result has 216 places, 237 transitions, 782 flow [2023-11-21 21:04:00,184 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=216, PETRI_TRANSITIONS=237} [2023-11-21 21:04:00,184 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 26 predicate places. [2023-11-21 21:04:00,185 INFO L495 AbstractCegarLoop]: Abstraction has has 216 places, 237 transitions, 782 flow [2023-11-21 21:04:00,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2023-11-21 21:04:00,185 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:00,185 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:00,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 21:04:00,186 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:00,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:00,187 INFO L85 PathProgramCache]: Analyzing trace with hash 266244789, now seen corresponding path program 1 times [2023-11-21 21:04:00,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:00,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197931370] [2023-11-21 21:04:00,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:00,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:00,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:00,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197931370] [2023-11-21 21:04:00,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197931370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:00,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:00,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:00,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382691924] [2023-11-21 21:04:00,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:00,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:00,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:00,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:00,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:00,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 198 [2023-11-21 21:04:00,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 237 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 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) [2023-11-21 21:04:00,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:00,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 198 [2023-11-21 21:04:00,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:00,509 INFO L124 PetriNetUnfolderBase]: 205/1381 cut-off events. [2023-11-21 21:04:00,509 INFO L125 PetriNetUnfolderBase]: For 321/323 co-relation queries the response was YES. [2023-11-21 21:04:00,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2349 conditions, 1381 events. 205/1381 cut-off events. For 321/323 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 9477 event pairs, 29 based on Foata normal form. 1/1273 useless extension candidates. Maximal degree in co-relation 2290. Up to 142 conditions per place. [2023-11-21 21:04:00,525 INFO L140 encePairwiseOnDemand]: 191/198 looper letters, 21 selfloop transitions, 11 changer transitions 0/246 dead transitions. [2023-11-21 21:04:00,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 246 transitions, 882 flow [2023-11-21 21:04:00,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-11-21 21:04:00,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9427609427609428 [2023-11-21 21:04:00,528 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-11-21 21:04:00,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-11-21 21:04:00,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:00,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-11-21 21:04:00,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2023-11-21 21:04:00,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:04:00,534 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:04:00,534 INFO L175 Difference]: Start difference. First operand has 216 places, 237 transitions, 782 flow. Second operand 3 states and 560 transitions. [2023-11-21 21:04:00,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 246 transitions, 882 flow [2023-11-21 21:04:00,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 246 transitions, 864 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:00,545 INFO L231 Difference]: Finished difference. Result has 218 places, 244 transitions, 856 flow [2023-11-21 21:04:00,545 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=218, PETRI_TRANSITIONS=244} [2023-11-21 21:04:00,546 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 28 predicate places. [2023-11-21 21:04:00,546 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 244 transitions, 856 flow [2023-11-21 21:04:00,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 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) [2023-11-21 21:04:00,547 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:00,547 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:00,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 21:04:00,548 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:00,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:00,548 INFO L85 PathProgramCache]: Analyzing trace with hash -796463227, now seen corresponding path program 1 times [2023-11-21 21:04:00,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:00,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023516907] [2023-11-21 21:04:00,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:00,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 21:04:01,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:01,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023516907] [2023-11-21 21:04:01,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023516907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:01,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:01,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:04:01,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083313076] [2023-11-21 21:04:01,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:01,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:04:01,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:01,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:04:01,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:04:01,438 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 198 [2023-11-21 21:04:01,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 244 transitions, 856 flow. Second operand has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 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) [2023-11-21 21:04:01,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:01,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 198 [2023-11-21 21:04:01,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:01,812 INFO L124 PetriNetUnfolderBase]: 277/1591 cut-off events. [2023-11-21 21:04:01,812 INFO L125 PetriNetUnfolderBase]: For 529/531 co-relation queries the response was YES. [2023-11-21 21:04:01,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2925 conditions, 1591 events. 277/1591 cut-off events. For 529/531 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 11264 event pairs, 44 based on Foata normal form. 0/1473 useless extension candidates. Maximal degree in co-relation 2869. Up to 288 conditions per place. [2023-11-21 21:04:01,831 INFO L140 encePairwiseOnDemand]: 187/198 looper letters, 40 selfloop transitions, 33 changer transitions 8/286 dead transitions. [2023-11-21 21:04:01,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 286 transitions, 1187 flow [2023-11-21 21:04:01,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:04:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:04:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1080 transitions. [2023-11-21 21:04:01,836 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9090909090909091 [2023-11-21 21:04:01,836 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1080 transitions. [2023-11-21 21:04:01,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1080 transitions. [2023-11-21 21:04:01,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:01,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1080 transitions. [2023-11-21 21:04:01,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 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) [2023-11-21 21:04:01,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2023-11-21 21:04:01,846 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2023-11-21 21:04:01,846 INFO L175 Difference]: Start difference. First operand has 218 places, 244 transitions, 856 flow. Second operand 6 states and 1080 transitions. [2023-11-21 21:04:01,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 286 transitions, 1187 flow [2023-11-21 21:04:01,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 286 transitions, 1165 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:01,860 INFO L231 Difference]: Finished difference. Result has 226 places, 270 transitions, 1127 flow [2023-11-21 21:04:01,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1127, PETRI_PLACES=226, PETRI_TRANSITIONS=270} [2023-11-21 21:04:01,862 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 36 predicate places. [2023-11-21 21:04:01,862 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 270 transitions, 1127 flow [2023-11-21 21:04:01,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 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) [2023-11-21 21:04:01,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:01,864 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:01,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 21:04:01,864 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:01,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:01,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1846274555, now seen corresponding path program 1 times [2023-11-21 21:04:01,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:01,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914654025] [2023-11-21 21:04:01,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:01,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 21:04:02,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:02,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914654025] [2023-11-21 21:04:02,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914654025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:02,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:02,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:04:02,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803455315] [2023-11-21 21:04:02,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:02,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:02,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:02,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:02,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:02,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 198 [2023-11-21 21:04:02,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 270 transitions, 1127 flow. Second operand has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2023-11-21 21:04:02,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:02,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 198 [2023-11-21 21:04:02,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:02,172 INFO L124 PetriNetUnfolderBase]: 127/751 cut-off events. [2023-11-21 21:04:02,173 INFO L125 PetriNetUnfolderBase]: For 322/355 co-relation queries the response was YES. [2023-11-21 21:04:02,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1553 conditions, 751 events. 127/751 cut-off events. For 322/355 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3874 event pairs, 1 based on Foata normal form. 2/717 useless extension candidates. Maximal degree in co-relation 1505. Up to 147 conditions per place. [2023-11-21 21:04:02,180 INFO L140 encePairwiseOnDemand]: 194/198 looper letters, 2 selfloop transitions, 4 changer transitions 0/245 dead transitions. [2023-11-21 21:04:02,181 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 245 transitions, 1005 flow [2023-11-21 21:04:02,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:02,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:02,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2023-11-21 21:04:02,184 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9579124579124579 [2023-11-21 21:04:02,184 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 569 transitions. [2023-11-21 21:04:02,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 569 transitions. [2023-11-21 21:04:02,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:02,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 569 transitions. [2023-11-21 21:04:02,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 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) [2023-11-21 21:04:02,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:04:02,190 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:04:02,190 INFO L175 Difference]: Start difference. First operand has 226 places, 270 transitions, 1127 flow. Second operand 3 states and 569 transitions. [2023-11-21 21:04:02,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 245 transitions, 1005 flow [2023-11-21 21:04:02,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 245 transitions, 967 flow, removed 11 selfloop flow, removed 6 redundant places. [2023-11-21 21:04:02,201 INFO L231 Difference]: Finished difference. Result has 212 places, 245 transitions, 963 flow [2023-11-21 21:04:02,201 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=955, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=963, PETRI_PLACES=212, PETRI_TRANSITIONS=245} [2023-11-21 21:04:02,202 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 22 predicate places. [2023-11-21 21:04:02,202 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 245 transitions, 963 flow [2023-11-21 21:04:02,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2023-11-21 21:04:02,203 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:02,203 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:02,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 21:04:02,204 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:02,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:02,204 INFO L85 PathProgramCache]: Analyzing trace with hash -188049249, now seen corresponding path program 1 times [2023-11-21 21:04:02,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:02,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232469717] [2023-11-21 21:04:02,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:02,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:02,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:02,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232469717] [2023-11-21 21:04:02,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232469717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:02,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:02,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 21:04:02,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754657569] [2023-11-21 21:04:02,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:02,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 21:04:02,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:02,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 21:04:02,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-21 21:04:02,675 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 198 [2023-11-21 21:04:02,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 245 transitions, 963 flow. Second operand has 8 states, 8 states have (on average 170.25) internal successors, (1362), 8 states have internal predecessors, (1362), 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) [2023-11-21 21:04:02,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:02,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 198 [2023-11-21 21:04:02,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:02,978 INFO L124 PetriNetUnfolderBase]: 159/993 cut-off events. [2023-11-21 21:04:02,978 INFO L125 PetriNetUnfolderBase]: For 346/381 co-relation queries the response was YES. [2023-11-21 21:04:02,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1920 conditions, 993 events. 159/993 cut-off events. For 346/381 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5714 event pairs, 8 based on Foata normal form. 4/942 useless extension candidates. Maximal degree in co-relation 1739. Up to 144 conditions per place. [2023-11-21 21:04:02,988 INFO L140 encePairwiseOnDemand]: 187/198 looper letters, 52 selfloop transitions, 15 changer transitions 0/283 dead transitions. [2023-11-21 21:04:02,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 283 transitions, 1206 flow [2023-11-21 21:04:02,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 21:04:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-21 21:04:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1749 transitions. [2023-11-21 21:04:02,995 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8833333333333333 [2023-11-21 21:04:02,995 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1749 transitions. [2023-11-21 21:04:02,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1749 transitions. [2023-11-21 21:04:02,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:02,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1749 transitions. [2023-11-21 21:04:03,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 174.9) internal successors, (1749), 10 states have internal predecessors, (1749), 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) [2023-11-21 21:04:03,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 198.0) internal successors, (2178), 11 states have internal predecessors, (2178), 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) [2023-11-21 21:04:03,008 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 198.0) internal successors, (2178), 11 states have internal predecessors, (2178), 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) [2023-11-21 21:04:03,009 INFO L175 Difference]: Start difference. First operand has 212 places, 245 transitions, 963 flow. Second operand 10 states and 1749 transitions. [2023-11-21 21:04:03,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 283 transitions, 1206 flow [2023-11-21 21:04:03,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 283 transitions, 1198 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:04:03,021 INFO L231 Difference]: Finished difference. Result has 226 places, 256 transitions, 1057 flow [2023-11-21 21:04:03,021 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1057, PETRI_PLACES=226, PETRI_TRANSITIONS=256} [2023-11-21 21:04:03,022 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 36 predicate places. [2023-11-21 21:04:03,022 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 256 transitions, 1057 flow [2023-11-21 21:04:03,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 170.25) internal successors, (1362), 8 states have internal predecessors, (1362), 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) [2023-11-21 21:04:03,023 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:03,024 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:03,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 21:04:03,024 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:03,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:03,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1365806977, now seen corresponding path program 1 times [2023-11-21 21:04:03,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:03,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915629818] [2023-11-21 21:04:03,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:03,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:03,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:03,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915629818] [2023-11-21 21:04:03,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915629818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:03,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:03,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 21:04:03,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768276675] [2023-11-21 21:04:03,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:03,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 21:04:03,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:03,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 21:04:03,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-21 21:04:03,471 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 198 [2023-11-21 21:04:03,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 256 transitions, 1057 flow. Second operand has 8 states, 8 states have (on average 169.25) internal successors, (1354), 8 states have internal predecessors, (1354), 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) [2023-11-21 21:04:03,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:03,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 198 [2023-11-21 21:04:03,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:03,771 INFO L124 PetriNetUnfolderBase]: 153/1012 cut-off events. [2023-11-21 21:04:03,771 INFO L125 PetriNetUnfolderBase]: For 434/469 co-relation queries the response was YES. [2023-11-21 21:04:03,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2036 conditions, 1012 events. 153/1012 cut-off events. For 434/469 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5897 event pairs, 10 based on Foata normal form. 6/968 useless extension candidates. Maximal degree in co-relation 1848. Up to 154 conditions per place. [2023-11-21 21:04:03,782 INFO L140 encePairwiseOnDemand]: 187/198 looper letters, 53 selfloop transitions, 15 changer transitions 0/283 dead transitions. [2023-11-21 21:04:03,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 283 transitions, 1288 flow [2023-11-21 21:04:03,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 21:04:03,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-21 21:04:03,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1740 transitions. [2023-11-21 21:04:03,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8787878787878788 [2023-11-21 21:04:03,789 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1740 transitions. [2023-11-21 21:04:03,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1740 transitions. [2023-11-21 21:04:03,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:03,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1740 transitions. [2023-11-21 21:04:03,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 174.0) internal successors, (1740), 10 states have internal predecessors, (1740), 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) [2023-11-21 21:04:03,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 198.0) internal successors, (2178), 11 states have internal predecessors, (2178), 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) [2023-11-21 21:04:03,810 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 198.0) internal successors, (2178), 11 states have internal predecessors, (2178), 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) [2023-11-21 21:04:03,811 INFO L175 Difference]: Start difference. First operand has 226 places, 256 transitions, 1057 flow. Second operand 10 states and 1740 transitions. [2023-11-21 21:04:03,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 283 transitions, 1288 flow [2023-11-21 21:04:03,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 283 transitions, 1279 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:03,823 INFO L231 Difference]: Finished difference. Result has 235 places, 257 transitions, 1094 flow [2023-11-21 21:04:03,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1094, PETRI_PLACES=235, PETRI_TRANSITIONS=257} [2023-11-21 21:04:03,825 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 45 predicate places. [2023-11-21 21:04:03,825 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 257 transitions, 1094 flow [2023-11-21 21:04:03,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 169.25) internal successors, (1354), 8 states have internal predecessors, (1354), 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) [2023-11-21 21:04:03,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:03,826 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:03,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 21:04:03,826 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:03,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:03,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1706972910, now seen corresponding path program 1 times [2023-11-21 21:04:03,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:03,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790986078] [2023-11-21 21:04:03,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:03,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:04,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:04,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790986078] [2023-11-21 21:04:04,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790986078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:04,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:04,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 21:04:04,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427485205] [2023-11-21 21:04:04,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:04,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 21:04:04,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:04,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 21:04:04,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-21 21:04:04,249 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 198 [2023-11-21 21:04:04,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 257 transitions, 1094 flow. Second operand has 7 states, 7 states have (on average 170.42857142857142) internal successors, (1193), 7 states have internal predecessors, (1193), 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) [2023-11-21 21:04:04,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:04,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 198 [2023-11-21 21:04:04,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:04,599 INFO L124 PetriNetUnfolderBase]: 158/1076 cut-off events. [2023-11-21 21:04:04,600 INFO L125 PetriNetUnfolderBase]: For 516/551 co-relation queries the response was YES. [2023-11-21 21:04:04,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2180 conditions, 1076 events. 158/1076 cut-off events. For 516/551 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 6500 event pairs, 10 based on Foata normal form. 7/1032 useless extension candidates. Maximal degree in co-relation 1989. Up to 154 conditions per place. [2023-11-21 21:04:04,615 INFO L140 encePairwiseOnDemand]: 185/198 looper letters, 57 selfloop transitions, 15 changer transitions 0/288 dead transitions. [2023-11-21 21:04:04,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 288 transitions, 1367 flow [2023-11-21 21:04:04,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 21:04:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-21 21:04:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1744 transitions. [2023-11-21 21:04:04,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8808080808080808 [2023-11-21 21:04:04,623 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1744 transitions. [2023-11-21 21:04:04,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1744 transitions. [2023-11-21 21:04:04,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:04,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1744 transitions. [2023-11-21 21:04:04,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 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) [2023-11-21 21:04:04,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 198.0) internal successors, (2178), 11 states have internal predecessors, (2178), 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) [2023-11-21 21:04:04,638 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 198.0) internal successors, (2178), 11 states have internal predecessors, (2178), 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) [2023-11-21 21:04:04,639 INFO L175 Difference]: Start difference. First operand has 235 places, 257 transitions, 1094 flow. Second operand 10 states and 1744 transitions. [2023-11-21 21:04:04,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 288 transitions, 1367 flow [2023-11-21 21:04:04,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 288 transitions, 1345 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-21 21:04:04,655 INFO L231 Difference]: Finished difference. Result has 243 places, 268 transitions, 1200 flow [2023-11-21 21:04:04,656 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1200, PETRI_PLACES=243, PETRI_TRANSITIONS=268} [2023-11-21 21:04:04,656 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 53 predicate places. [2023-11-21 21:04:04,657 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 268 transitions, 1200 flow [2023-11-21 21:04:04,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 170.42857142857142) internal successors, (1193), 7 states have internal predecessors, (1193), 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) [2023-11-21 21:04:04,658 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:04,658 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:04,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-21 21:04:04,658 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:04,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:04,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1410236658, now seen corresponding path program 1 times [2023-11-21 21:04:04,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:04,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752692289] [2023-11-21 21:04:04,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:04,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:04,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:04,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752692289] [2023-11-21 21:04:04,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752692289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:04,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:04,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 21:04:04,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106817341] [2023-11-21 21:04:04,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:04,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 21:04:04,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:04,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 21:04:04,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-21 21:04:05,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 198 [2023-11-21 21:04:05,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 268 transitions, 1200 flow. Second operand has 7 states, 7 states have (on average 171.42857142857142) internal successors, (1200), 7 states have internal predecessors, (1200), 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) [2023-11-21 21:04:05,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:05,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 198 [2023-11-21 21:04:05,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:05,412 INFO L124 PetriNetUnfolderBase]: 152/1075 cut-off events. [2023-11-21 21:04:05,412 INFO L125 PetriNetUnfolderBase]: For 638/673 co-relation queries the response was YES. [2023-11-21 21:04:05,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2225 conditions, 1075 events. 152/1075 cut-off events. For 638/673 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 6521 event pairs, 8 based on Foata normal form. 3/1029 useless extension candidates. Maximal degree in co-relation 2028. Up to 154 conditions per place. [2023-11-21 21:04:05,428 INFO L140 encePairwiseOnDemand]: 187/198 looper letters, 54 selfloop transitions, 15 changer transitions 0/286 dead transitions. [2023-11-21 21:04:05,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 286 transitions, 1415 flow [2023-11-21 21:04:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 21:04:05,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-21 21:04:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1749 transitions. [2023-11-21 21:04:05,436 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8833333333333333 [2023-11-21 21:04:05,436 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1749 transitions. [2023-11-21 21:04:05,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1749 transitions. [2023-11-21 21:04:05,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:05,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1749 transitions. [2023-11-21 21:04:05,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 174.9) internal successors, (1749), 10 states have internal predecessors, (1749), 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) [2023-11-21 21:04:05,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 198.0) internal successors, (2178), 11 states have internal predecessors, (2178), 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) [2023-11-21 21:04:05,448 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 198.0) internal successors, (2178), 11 states have internal predecessors, (2178), 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) [2023-11-21 21:04:05,448 INFO L175 Difference]: Start difference. First operand has 243 places, 268 transitions, 1200 flow. Second operand 10 states and 1749 transitions. [2023-11-21 21:04:05,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 286 transitions, 1415 flow [2023-11-21 21:04:05,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 286 transitions, 1382 flow, removed 14 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:05,464 INFO L231 Difference]: Finished difference. Result has 252 places, 269 transitions, 1213 flow [2023-11-21 21:04:05,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=1167, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1213, PETRI_PLACES=252, PETRI_TRANSITIONS=269} [2023-11-21 21:04:05,465 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 62 predicate places. [2023-11-21 21:04:05,466 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 269 transitions, 1213 flow [2023-11-21 21:04:05,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 171.42857142857142) internal successors, (1200), 7 states have internal predecessors, (1200), 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) [2023-11-21 21:04:05,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:05,466 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:05,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 21:04:05,467 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:05,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:05,467 INFO L85 PathProgramCache]: Analyzing trace with hash -90084356, now seen corresponding path program 1 times [2023-11-21 21:04:05,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:05,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56355380] [2023-11-21 21:04:05,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:05,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:05,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:05,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56355380] [2023-11-21 21:04:05,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56355380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:05,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:05,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:04:05,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651842386] [2023-11-21 21:04:05,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:05,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:05,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:05,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:05,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:05,559 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 198 [2023-11-21 21:04:05,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 269 transitions, 1213 flow. Second operand has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2023-11-21 21:04:05,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:05,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 198 [2023-11-21 21:04:05,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:05,758 INFO L124 PetriNetUnfolderBase]: 135/1000 cut-off events. [2023-11-21 21:04:05,759 INFO L125 PetriNetUnfolderBase]: For 516/551 co-relation queries the response was YES. [2023-11-21 21:04:05,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2038 conditions, 1000 events. 135/1000 cut-off events. For 516/551 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 5651 event pairs, 0 based on Foata normal form. 5/967 useless extension candidates. Maximal degree in co-relation 1838. Up to 151 conditions per place. [2023-11-21 21:04:05,769 INFO L140 encePairwiseOnDemand]: 195/198 looper letters, 10 selfloop transitions, 4 changer transitions 0/270 dead transitions. [2023-11-21 21:04:05,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 270 transitions, 1243 flow [2023-11-21 21:04:05,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2023-11-21 21:04:05,772 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9478114478114478 [2023-11-21 21:04:05,772 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2023-11-21 21:04:05,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2023-11-21 21:04:05,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:05,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2023-11-21 21:04:05,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2023-11-21 21:04:05,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:04:05,777 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2023-11-21 21:04:05,777 INFO L175 Difference]: Start difference. First operand has 252 places, 269 transitions, 1213 flow. Second operand 3 states and 563 transitions. [2023-11-21 21:04:05,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 270 transitions, 1243 flow [2023-11-21 21:04:05,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 270 transitions, 1221 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-21 21:04:05,796 INFO L231 Difference]: Finished difference. Result has 248 places, 270 transitions, 1209 flow [2023-11-21 21:04:05,797 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=1191, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1209, PETRI_PLACES=248, PETRI_TRANSITIONS=270} [2023-11-21 21:04:05,797 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 58 predicate places. [2023-11-21 21:04:05,798 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 270 transitions, 1209 flow [2023-11-21 21:04:05,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2023-11-21 21:04:05,798 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:05,798 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:05,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 21:04:05,799 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:05,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:05,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1389213664, now seen corresponding path program 1 times [2023-11-21 21:04:05,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:05,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686871178] [2023-11-21 21:04:05,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:05,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:06,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:06,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686871178] [2023-11-21 21:04:06,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686871178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:06,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:06,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:04:06,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073535766] [2023-11-21 21:04:06,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:06,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:04:06,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:06,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:04:06,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:04:06,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 198 [2023-11-21 21:04:06,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 270 transitions, 1209 flow. Second operand has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2023-11-21 21:04:06,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:06,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 198 [2023-11-21 21:04:06,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:07,261 INFO L124 PetriNetUnfolderBase]: 498/2152 cut-off events. [2023-11-21 21:04:07,261 INFO L125 PetriNetUnfolderBase]: For 1220/1230 co-relation queries the response was YES. [2023-11-21 21:04:07,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5055 conditions, 2152 events. 498/2152 cut-off events. For 1220/1230 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 15247 event pairs, 138 based on Foata normal form. 0/2047 useless extension candidates. Maximal degree in co-relation 4787. Up to 837 conditions per place. [2023-11-21 21:04:07,286 INFO L140 encePairwiseOnDemand]: 175/198 looper letters, 90 selfloop transitions, 89 changer transitions 5/365 dead transitions. [2023-11-21 21:04:07,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 365 transitions, 2029 flow [2023-11-21 21:04:07,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:04:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:04:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1076 transitions. [2023-11-21 21:04:07,291 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9057239057239057 [2023-11-21 21:04:07,291 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1076 transitions. [2023-11-21 21:04:07,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1076 transitions. [2023-11-21 21:04:07,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:07,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1076 transitions. [2023-11-21 21:04:07,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 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) [2023-11-21 21:04:07,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2023-11-21 21:04:07,301 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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) [2023-11-21 21:04:07,302 INFO L175 Difference]: Start difference. First operand has 248 places, 270 transitions, 1209 flow. Second operand 6 states and 1076 transitions. [2023-11-21 21:04:07,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 365 transitions, 2029 flow [2023-11-21 21:04:07,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 365 transitions, 2025 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:04:07,327 INFO L231 Difference]: Finished difference. Result has 257 places, 352 transitions, 2039 flow [2023-11-21 21:04:07,328 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=1205, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2039, PETRI_PLACES=257, PETRI_TRANSITIONS=352} [2023-11-21 21:04:07,328 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 67 predicate places. [2023-11-21 21:04:07,329 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 352 transitions, 2039 flow [2023-11-21 21:04:07,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 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) [2023-11-21 21:04:07,330 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:07,330 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:07,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-21 21:04:07,331 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:07,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:07,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2083890239, now seen corresponding path program 1 times [2023-11-21 21:04:07,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:07,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921156516] [2023-11-21 21:04:07,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:07,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 21:04:07,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:07,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921156516] [2023-11-21 21:04:07,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921156516] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:04:07,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019701316] [2023-11-21 21:04:07,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:07,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:04:07,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:04:07,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:04:07,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:04:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:07,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 21:04:07,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:04:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:08,062 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:04:08,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019701316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:08,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 21:04:08,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2023-11-21 21:04:08,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554737228] [2023-11-21 21:04:08,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:08,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 21:04:08,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:08,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 21:04:08,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-21 21:04:08,164 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 198 [2023-11-21 21:04:08,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 352 transitions, 2039 flow. Second operand has 7 states, 7 states have (on average 174.85714285714286) internal successors, (1224), 7 states have internal predecessors, (1224), 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) [2023-11-21 21:04:08,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:08,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 198 [2023-11-21 21:04:08,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:08,652 INFO L124 PetriNetUnfolderBase]: 342/1608 cut-off events. [2023-11-21 21:04:08,653 INFO L125 PetriNetUnfolderBase]: For 1588/1841 co-relation queries the response was YES. [2023-11-21 21:04:08,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4211 conditions, 1608 events. 342/1608 cut-off events. For 1588/1841 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 10670 event pairs, 31 based on Foata normal form. 2/1580 useless extension candidates. Maximal degree in co-relation 4079. Up to 280 conditions per place. [2023-11-21 21:04:08,679 INFO L140 encePairwiseOnDemand]: 187/198 looper letters, 37 selfloop transitions, 30 changer transitions 1/375 dead transitions. [2023-11-21 21:04:08,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 375 transitions, 2292 flow [2023-11-21 21:04:08,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 21:04:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-21 21:04:08,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1942 transitions. [2023-11-21 21:04:08,686 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.891643709825528 [2023-11-21 21:04:08,686 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1942 transitions. [2023-11-21 21:04:08,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1942 transitions. [2023-11-21 21:04:08,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:08,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1942 transitions. [2023-11-21 21:04:08,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 176.54545454545453) internal successors, (1942), 11 states have internal predecessors, (1942), 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) [2023-11-21 21:04:08,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 198.0) internal successors, (2376), 12 states have internal predecessors, (2376), 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) [2023-11-21 21:04:08,696 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 198.0) internal successors, (2376), 12 states have internal predecessors, (2376), 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) [2023-11-21 21:04:08,697 INFO L175 Difference]: Start difference. First operand has 257 places, 352 transitions, 2039 flow. Second operand 11 states and 1942 transitions. [2023-11-21 21:04:08,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 375 transitions, 2292 flow [2023-11-21 21:04:08,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 375 transitions, 2220 flow, removed 36 selfloop flow, removed 0 redundant places. [2023-11-21 21:04:08,734 INFO L231 Difference]: Finished difference. Result has 271 places, 361 transitions, 2119 flow [2023-11-21 21:04:08,734 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=1967, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2119, PETRI_PLACES=271, PETRI_TRANSITIONS=361} [2023-11-21 21:04:08,735 INFO L281 CegarLoopForPetriNet]: 190 programPoint places, 81 predicate places. [2023-11-21 21:04:08,735 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 361 transitions, 2119 flow [2023-11-21 21:04:08,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 174.85714285714286) internal successors, (1224), 7 states have internal predecessors, (1224), 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) [2023-11-21 21:04:08,736 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:08,736 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:08,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 21:04:08,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95390828-28fb-407c-863c-0d31b104f83e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:04:08,959 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-21 21:04:08,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:08,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1911190396, now seen corresponding path program 1 times [2023-11-21 21:04:08,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:08,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373165676] [2023-11-21 21:04:08,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:08,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:04:09,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:04:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:04:09,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:04:09,096 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 21:04:09,097 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 18 remaining) [2023-11-21 21:04:09,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2023-11-21 21:04:09,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2023-11-21 21:04:09,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2023-11-21 21:04:09,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2023-11-21 21:04:09,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2023-11-21 21:04:09,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2023-11-21 21:04:09,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining) [2023-11-21 21:04:09,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2023-11-21 21:04:09,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2023-11-21 21:04:09,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining) [2023-11-21 21:04:09,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining) [2023-11-21 21:04:09,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2023-11-21 21:04:09,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2023-11-21 21:04:09,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2023-11-21 21:04:09,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2023-11-21 21:04:09,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2023-11-21 21:04:09,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2023-11-21 21:04:09,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-21 21:04:09,103 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:09,107 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-21 21:04:09,108 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-21 21:04:09,166 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 21:04:09,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 249 transitions, 514 flow [2023-11-21 21:04:09,289 INFO L124 PetriNetUnfolderBase]: 27/482 cut-off events. [2023-11-21 21:04:09,290 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-21 21:04:09,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 482 events. 27/482 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1209 event pairs, 0 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 289. Up to 9 conditions per place. [2023-11-21 21:04:09,294 INFO L82 GeneralOperation]: Start removeDead. Operand has 239 places, 249 transitions, 514 flow [2023-11-21 21:04:09,301 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 239 places, 249 transitions, 514 flow [2023-11-21 21:04:09,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:04:09,304 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=PETRI_NET, 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;@72918631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:04:09,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-11-21 21:04:09,310 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 21:04:09,310 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2023-11-21 21:04:09,310 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 21:04:09,310 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:09,311 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:09,311 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-21 21:04:09,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:09,312 INFO L85 PathProgramCache]: Analyzing trace with hash -385340595, now seen corresponding path program 1 times [2023-11-21 21:04:09,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:09,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187505318] [2023-11-21 21:04:09,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:09,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:09,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:09,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187505318] [2023-11-21 21:04:09,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187505318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:09,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:09,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:09,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468939244] [2023-11-21 21:04:09,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:09,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:09,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:09,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:09,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:09,370 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 249 [2023-11-21 21:04:09,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 249 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 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) [2023-11-21 21:04:09,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:09,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 249 [2023-11-21 21:04:09,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:09,796 INFO L124 PetriNetUnfolderBase]: 237/2093 cut-off events. [2023-11-21 21:04:09,796 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2023-11-21 21:04:09,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2380 conditions, 2093 events. 237/2093 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 14975 event pairs, 132 based on Foata normal form. 41/1828 useless extension candidates. Maximal degree in co-relation 1763. Up to 258 conditions per place. [2023-11-21 21:04:09,818 INFO L140 encePairwiseOnDemand]: 242/249 looper letters, 17 selfloop transitions, 2 changer transitions 2/244 dead transitions. [2023-11-21 21:04:09,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 244 transitions, 542 flow [2023-11-21 21:04:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-21 21:04:09,820 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9357429718875502 [2023-11-21 21:04:09,821 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-21 21:04:09,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-21 21:04:09,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:09,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-21 21:04:09,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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) [2023-11-21 21:04:09,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2023-11-21 21:04:09,825 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2023-11-21 21:04:09,825 INFO L175 Difference]: Start difference. First operand has 239 places, 249 transitions, 514 flow. Second operand 3 states and 699 transitions. [2023-11-21 21:04:09,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 244 transitions, 542 flow [2023-11-21 21:04:09,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 244 transitions, 542 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:04:09,831 INFO L231 Difference]: Finished difference. Result has 240 places, 242 transitions, 504 flow [2023-11-21 21:04:09,831 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=240, PETRI_TRANSITIONS=242} [2023-11-21 21:04:09,832 INFO L281 CegarLoopForPetriNet]: 239 programPoint places, 1 predicate places. [2023-11-21 21:04:09,832 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 242 transitions, 504 flow [2023-11-21 21:04:09,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 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) [2023-11-21 21:04:09,832 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:09,833 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:09,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-21 21:04:09,833 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-21 21:04:09,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:09,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1214703137, now seen corresponding path program 1 times [2023-11-21 21:04:09,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:09,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379069536] [2023-11-21 21:04:09,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:09,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:09,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:09,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379069536] [2023-11-21 21:04:09,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379069536] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:09,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:09,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:09,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654395766] [2023-11-21 21:04:09,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:09,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:09,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:09,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:09,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:09,886 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 249 [2023-11-21 21:04:09,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 242 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 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) [2023-11-21 21:04:09,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:09,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 249 [2023-11-21 21:04:09,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:11,098 INFO L124 PetriNetUnfolderBase]: 1304/6602 cut-off events. [2023-11-21 21:04:11,098 INFO L125 PetriNetUnfolderBase]: For 129/157 co-relation queries the response was YES. [2023-11-21 21:04:11,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8251 conditions, 6602 events. 1304/6602 cut-off events. For 129/157 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 64618 event pairs, 333 based on Foata normal form. 3/5617 useless extension candidates. Maximal degree in co-relation 8204. Up to 850 conditions per place. [2023-11-21 21:04:11,151 INFO L140 encePairwiseOnDemand]: 234/249 looper letters, 34 selfloop transitions, 11 changer transitions 0/262 dead transitions. [2023-11-21 21:04:11,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 262 transitions, 645 flow [2023-11-21 21:04:11,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:11,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:11,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 709 transitions. [2023-11-21 21:04:11,154 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9491298527443106 [2023-11-21 21:04:11,154 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 709 transitions. [2023-11-21 21:04:11,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 709 transitions. [2023-11-21 21:04:11,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:11,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 709 transitions. [2023-11-21 21:04:11,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 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) [2023-11-21 21:04:11,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2023-11-21 21:04:11,158 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2023-11-21 21:04:11,158 INFO L175 Difference]: Start difference. First operand has 240 places, 242 transitions, 504 flow. Second operand 3 states and 709 transitions. [2023-11-21 21:04:11,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 262 transitions, 645 flow [2023-11-21 21:04:11,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 262 transitions, 641 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:11,164 INFO L231 Difference]: Finished difference. Result has 240 places, 253 transitions, 596 flow [2023-11-21 21:04:11,165 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=596, PETRI_PLACES=240, PETRI_TRANSITIONS=253} [2023-11-21 21:04:11,165 INFO L281 CegarLoopForPetriNet]: 239 programPoint places, 1 predicate places. [2023-11-21 21:04:11,165 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 253 transitions, 596 flow [2023-11-21 21:04:11,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 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) [2023-11-21 21:04:11,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:11,166 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:11,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-21 21:04:11,167 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-21 21:04:11,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:11,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1591007134, now seen corresponding path program 1 times [2023-11-21 21:04:11,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:11,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391123647] [2023-11-21 21:04:11,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:11,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:11,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:11,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:11,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391123647] [2023-11-21 21:04:11,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391123647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:11,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:11,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:04:11,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960257045] [2023-11-21 21:04:11,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:11,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:04:11,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:11,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:04:11,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:04:11,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 249 [2023-11-21 21:04:11,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 253 transitions, 596 flow. Second operand has 5 states, 5 states have (on average 225.4) internal successors, (1127), 5 states have internal predecessors, (1127), 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) [2023-11-21 21:04:11,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:11,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 249 [2023-11-21 21:04:11,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:12,879 INFO L124 PetriNetUnfolderBase]: 1130/8214 cut-off events. [2023-11-21 21:04:12,879 INFO L125 PetriNetUnfolderBase]: For 387/407 co-relation queries the response was YES. [2023-11-21 21:04:12,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10175 conditions, 8214 events. 1130/8214 cut-off events. For 387/407 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 90816 event pairs, 272 based on Foata normal form. 1/7119 useless extension candidates. Maximal degree in co-relation 6038. Up to 613 conditions per place. [2023-11-21 21:04:12,971 INFO L140 encePairwiseOnDemand]: 241/249 looper letters, 24 selfloop transitions, 6 changer transitions 1/263 dead transitions. [2023-11-21 21:04:12,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 263 transitions, 678 flow [2023-11-21 21:04:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:04:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:04:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1376 transitions. [2023-11-21 21:04:12,974 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9210174029451138 [2023-11-21 21:04:12,974 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1376 transitions. [2023-11-21 21:04:12,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1376 transitions. [2023-11-21 21:04:12,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:12,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1376 transitions. [2023-11-21 21:04:12,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 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) [2023-11-21 21:04:12,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 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) [2023-11-21 21:04:12,982 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 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) [2023-11-21 21:04:12,982 INFO L175 Difference]: Start difference. First operand has 240 places, 253 transitions, 596 flow. Second operand 6 states and 1376 transitions. [2023-11-21 21:04:12,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 263 transitions, 678 flow [2023-11-21 21:04:13,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 263 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 21:04:13,035 INFO L231 Difference]: Finished difference. Result has 247 places, 258 transitions, 620 flow [2023-11-21 21:04:13,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=620, PETRI_PLACES=247, PETRI_TRANSITIONS=258} [2023-11-21 21:04:13,037 INFO L281 CegarLoopForPetriNet]: 239 programPoint places, 8 predicate places. [2023-11-21 21:04:13,037 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 258 transitions, 620 flow [2023-11-21 21:04:13,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 225.4) internal successors, (1127), 5 states have internal predecessors, (1127), 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) [2023-11-21 21:04:13,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:13,038 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:13,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-21 21:04:13,038 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-21 21:04:13,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:13,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1347101528, now seen corresponding path program 1 times [2023-11-21 21:04:13,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:13,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707935901] [2023-11-21 21:04:13,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:13,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:13,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:13,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:13,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707935901] [2023-11-21 21:04:13,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707935901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:13,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:13,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:04:13,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338748179] [2023-11-21 21:04:13,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:13,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:04:13,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:13,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:04:13,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:04:13,511 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 249 [2023-11-21 21:04:13,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 258 transitions, 620 flow. Second operand has 6 states, 6 states have (on average 206.16666666666666) internal successors, (1237), 6 states have internal predecessors, (1237), 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) [2023-11-21 21:04:13,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:13,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 249 [2023-11-21 21:04:13,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:18,124 INFO L124 PetriNetUnfolderBase]: 6115/25294 cut-off events. [2023-11-21 21:04:18,125 INFO L125 PetriNetUnfolderBase]: For 330/330 co-relation queries the response was YES. [2023-11-21 21:04:18,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35483 conditions, 25294 events. 6115/25294 cut-off events. For 330/330 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 315206 event pairs, 1333 based on Foata normal form. 0/22207 useless extension candidates. Maximal degree in co-relation 35326. Up to 5071 conditions per place. [2023-11-21 21:04:18,335 INFO L140 encePairwiseOnDemand]: 222/249 looper letters, 70 selfloop transitions, 48 changer transitions 0/336 dead transitions. [2023-11-21 21:04:18,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 336 transitions, 1023 flow [2023-11-21 21:04:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 21:04:18,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 21:04:18,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1351 transitions. [2023-11-21 21:04:18,338 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9042838018741634 [2023-11-21 21:04:18,339 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1351 transitions. [2023-11-21 21:04:18,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1351 transitions. [2023-11-21 21:04:18,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:18,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1351 transitions. [2023-11-21 21:04:18,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 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) [2023-11-21 21:04:18,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 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) [2023-11-21 21:04:18,345 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 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) [2023-11-21 21:04:18,345 INFO L175 Difference]: Start difference. First operand has 247 places, 258 transitions, 620 flow. Second operand 6 states and 1351 transitions. [2023-11-21 21:04:18,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 336 transitions, 1023 flow [2023-11-21 21:04:18,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 336 transitions, 1021 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:04:18,355 INFO L231 Difference]: Finished difference. Result has 256 places, 306 transitions, 960 flow [2023-11-21 21:04:18,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=960, PETRI_PLACES=256, PETRI_TRANSITIONS=306} [2023-11-21 21:04:18,356 INFO L281 CegarLoopForPetriNet]: 239 programPoint places, 17 predicate places. [2023-11-21 21:04:18,356 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 306 transitions, 960 flow [2023-11-21 21:04:18,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.16666666666666) internal successors, (1237), 6 states have internal predecessors, (1237), 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) [2023-11-21 21:04:18,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:18,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:18,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-21 21:04:18,358 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-21 21:04:18,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:18,358 INFO L85 PathProgramCache]: Analyzing trace with hash -596760600, now seen corresponding path program 1 times [2023-11-21 21:04:18,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:18,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336229622] [2023-11-21 21:04:18,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:18,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:18,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:18,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336229622] [2023-11-21 21:04:18,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336229622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:18,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:18,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:04:18,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076726748] [2023-11-21 21:04:18,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:18,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:04:18,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:18,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:04:18,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:04:18,405 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 249 [2023-11-21 21:04:18,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 306 transitions, 960 flow. Second operand has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 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) [2023-11-21 21:04:18,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:18,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 249 [2023-11-21 21:04:18,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:21,474 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([639] L1068-5-->L1068-6: Formula: (let ((.cse0 (select |v_#race_30| |v_ULTIMATE.start_main_~#tids~0#1.base_17|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 1)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 3)) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_17|)))) InVars {#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} OutVars{#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} AuxVars[] AssignedVars[][205], [278#(= |#race~datas~0| 0), Black: 255#(<= |ULTIMATE.start_main_~threads_total~0#1| 0), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 258#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), Black: 256#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), 137#L1068-6true, 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 195#L1051-9true, 35#L1051-8true, Black: 248#(= |#race~threads_mask~0| 0)]) [2023-11-21 21:04:21,474 INFO L294 olderBase$Statistics]: this new event has 186 ancestors and is not cut-off event [2023-11-21 21:04:21,474 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is not cut-off event [2023-11-21 21:04:21,474 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is not cut-off event [2023-11-21 21:04:21,474 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is not cut-off event [2023-11-21 21:04:21,518 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([639] L1068-5-->L1068-6: Formula: (let ((.cse0 (select |v_#race_30| |v_ULTIMATE.start_main_~#tids~0#1.base_17|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 1)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 3)) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_17|)))) InVars {#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} OutVars{#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} AuxVars[] AssignedVars[][205], [278#(= |#race~datas~0| 0), Black: 255#(<= |ULTIMATE.start_main_~threads_total~0#1| 0), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 258#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), Black: 256#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), 137#L1068-6true, 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 90#L1051-10true, 35#L1051-8true, Black: 248#(= |#race~threads_mask~0| 0)]) [2023-11-21 21:04:21,518 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is not cut-off event [2023-11-21 21:04:21,519 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:21,519 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:21,519 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:22,046 INFO L124 PetriNetUnfolderBase]: 3676/17009 cut-off events. [2023-11-21 21:04:22,046 INFO L125 PetriNetUnfolderBase]: For 1920/2089 co-relation queries the response was YES. [2023-11-21 21:04:22,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28049 conditions, 17009 events. 3676/17009 cut-off events. For 1920/2089 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 201291 event pairs, 696 based on Foata normal form. 0/15433 useless extension candidates. Maximal degree in co-relation 18452. Up to 3253 conditions per place. [2023-11-21 21:04:22,253 INFO L140 encePairwiseOnDemand]: 243/249 looper letters, 24 selfloop transitions, 3 changer transitions 4/313 dead transitions. [2023-11-21 21:04:22,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 313 transitions, 1033 flow [2023-11-21 21:04:22,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:04:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 21:04:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 705 transitions. [2023-11-21 21:04:22,260 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9437751004016064 [2023-11-21 21:04:22,260 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 705 transitions. [2023-11-21 21:04:22,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 705 transitions. [2023-11-21 21:04:22,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:22,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 705 transitions. [2023-11-21 21:04:22,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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) [2023-11-21 21:04:22,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2023-11-21 21:04:22,269 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 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) [2023-11-21 21:04:22,270 INFO L175 Difference]: Start difference. First operand has 256 places, 306 transitions, 960 flow. Second operand 3 states and 705 transitions. [2023-11-21 21:04:22,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 313 transitions, 1033 flow [2023-11-21 21:04:22,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 313 transitions, 1033 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:04:22,318 INFO L231 Difference]: Finished difference. Result has 256 places, 302 transitions, 951 flow [2023-11-21 21:04:22,319 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=954, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=951, PETRI_PLACES=256, PETRI_TRANSITIONS=302} [2023-11-21 21:04:22,320 INFO L281 CegarLoopForPetriNet]: 239 programPoint places, 17 predicate places. [2023-11-21 21:04:22,320 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 302 transitions, 951 flow [2023-11-21 21:04:22,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 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) [2023-11-21 21:04:22,320 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:22,321 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:22,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-21 21:04:22,321 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-21 21:04:22,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:22,322 INFO L85 PathProgramCache]: Analyzing trace with hash -72661847, now seen corresponding path program 1 times [2023-11-21 21:04:22,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:22,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619297842] [2023-11-21 21:04:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:22,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:22,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:22,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619297842] [2023-11-21 21:04:22,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619297842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:22,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:22,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:04:22,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041736025] [2023-11-21 21:04:22,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:22,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:04:22,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:22,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:04:22,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:04:22,485 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 249 [2023-11-21 21:04:22,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 302 transitions, 951 flow. Second operand has 4 states, 4 states have (on average 226.5) internal successors, (906), 4 states have internal predecessors, (906), 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) [2023-11-21 21:04:22,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:22,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 249 [2023-11-21 21:04:22,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:25,809 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([639] L1068-5-->L1068-6: Formula: (let ((.cse0 (select |v_#race_30| |v_ULTIMATE.start_main_~#tids~0#1.base_17|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 1)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 3)) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_17|)))) InVars {#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} OutVars{#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} AuxVars[] AssignedVars[][201], [278#(= |#race~datas~0| 0), 281#true, Black: 255#(<= |ULTIMATE.start_main_~threads_total~0#1| 0), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 258#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), Black: 256#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), 137#L1068-6true, 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 195#L1051-9true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0)]) [2023-11-21 21:04:25,809 INFO L294 olderBase$Statistics]: this new event has 186 ancestors and is not cut-off event [2023-11-21 21:04:25,809 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is not cut-off event [2023-11-21 21:04:25,809 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is not cut-off event [2023-11-21 21:04:25,809 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is not cut-off event [2023-11-21 21:04:25,874 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([639] L1068-5-->L1068-6: Formula: (let ((.cse0 (select |v_#race_30| |v_ULTIMATE.start_main_~#tids~0#1.base_17|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 1)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 3)) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_17|)))) InVars {#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} OutVars{#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} AuxVars[] AssignedVars[][201], [278#(= |#race~datas~0| 0), 281#true, Black: 255#(<= |ULTIMATE.start_main_~threads_total~0#1| 0), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 258#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), Black: 256#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), 137#L1068-6true, 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 90#L1051-10true, Black: 276#true, 35#L1051-8true, Black: 248#(= |#race~threads_mask~0| 0)]) [2023-11-21 21:04:25,874 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is not cut-off event [2023-11-21 21:04:25,874 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:25,874 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:25,874 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:25,884 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([590] L1070-5-->L1070-6: Formula: (let ((.cse0 (select |v_#race_50| |v_ULTIMATE.start_main_~#tids~0#1.base_24|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 3)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 1)) 0) (= (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_24|) 0))) InVars {#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} OutVars{#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} AuxVars[] AssignedVars[][209], [278#(= |#race~datas~0| 0), 281#true, Black: 255#(<= |ULTIMATE.start_main_~threads_total~0#1| 0), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 258#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), Black: 256#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, 101#L1070-6true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 195#L1051-9true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0)]) [2023-11-21 21:04:25,884 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is not cut-off event [2023-11-21 21:04:25,884 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:25,884 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:25,884 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:25,945 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([590] L1070-5-->L1070-6: Formula: (let ((.cse0 (select |v_#race_50| |v_ULTIMATE.start_main_~#tids~0#1.base_24|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 3)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 1)) 0) (= (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_24|) 0))) InVars {#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} OutVars{#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} AuxVars[] AssignedVars[][209], [278#(= |#race~datas~0| 0), 281#true, Black: 255#(<= |ULTIMATE.start_main_~threads_total~0#1| 0), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 258#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), Black: 256#(and (= |ULTIMATE.start_main_~i~1#1| 0) (<= |ULTIMATE.start_main_~threads_total~0#1| 0)), 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 101#L1070-6true, 90#L1051-10true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0)]) [2023-11-21 21:04:25,945 INFO L294 olderBase$Statistics]: this new event has 188 ancestors and is not cut-off event [2023-11-21 21:04:25,945 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:25,945 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:25,946 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:26,728 INFO L124 PetriNetUnfolderBase]: 4343/21480 cut-off events. [2023-11-21 21:04:26,729 INFO L125 PetriNetUnfolderBase]: For 2133/2329 co-relation queries the response was YES. [2023-11-21 21:04:26,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34638 conditions, 21480 events. 4343/21480 cut-off events. For 2133/2329 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 270738 event pairs, 1203 based on Foata normal form. 1/19428 useless extension candidates. Maximal degree in co-relation 21579. Up to 3810 conditions per place. [2023-11-21 21:04:26,918 INFO L140 encePairwiseOnDemand]: 245/249 looper letters, 22 selfloop transitions, 4 changer transitions 0/308 dead transitions. [2023-11-21 21:04:26,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 308 transitions, 1015 flow [2023-11-21 21:04:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:04:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-21 21:04:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 927 transitions. [2023-11-21 21:04:26,921 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9307228915662651 [2023-11-21 21:04:26,921 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 927 transitions. [2023-11-21 21:04:26,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 927 transitions. [2023-11-21 21:04:26,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:26,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 927 transitions. [2023-11-21 21:04:26,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 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) [2023-11-21 21:04:26,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 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) [2023-11-21 21:04:26,926 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 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) [2023-11-21 21:04:26,926 INFO L175 Difference]: Start difference. First operand has 256 places, 302 transitions, 951 flow. Second operand 4 states and 927 transitions. [2023-11-21 21:04:26,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 308 transitions, 1015 flow [2023-11-21 21:04:26,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 308 transitions, 1005 flow, removed 5 selfloop flow, removed 3 redundant places. [2023-11-21 21:04:26,973 INFO L231 Difference]: Finished difference. Result has 255 places, 305 transitions, 966 flow [2023-11-21 21:04:26,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=941, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=966, PETRI_PLACES=255, PETRI_TRANSITIONS=305} [2023-11-21 21:04:26,974 INFO L281 CegarLoopForPetriNet]: 239 programPoint places, 16 predicate places. [2023-11-21 21:04:26,975 INFO L495 AbstractCegarLoop]: Abstraction has has 255 places, 305 transitions, 966 flow [2023-11-21 21:04:26,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 226.5) internal successors, (906), 4 states have internal predecessors, (906), 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) [2023-11-21 21:04:26,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:26,976 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:26,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-21 21:04:26,976 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-21 21:04:26,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:26,976 INFO L85 PathProgramCache]: Analyzing trace with hash 88323288, now seen corresponding path program 1 times [2023-11-21 21:04:26,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:26,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565568780] [2023-11-21 21:04:26,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:26,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:27,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:27,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565568780] [2023-11-21 21:04:27,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565568780] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:27,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:27,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:04:27,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842325592] [2023-11-21 21:04:27,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:27,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:04:27,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:27,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:04:27,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:04:27,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 249 [2023-11-21 21:04:27,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 305 transitions, 966 flow. Second operand has 4 states, 4 states have (on average 226.5) internal successors, (906), 4 states have internal predecessors, (906), 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) [2023-11-21 21:04:27,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:27,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 249 [2023-11-21 21:04:27,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:29,943 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([639] L1068-5-->L1068-6: Formula: (let ((.cse0 (select |v_#race_30| |v_ULTIMATE.start_main_~#tids~0#1.base_17|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 1)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 3)) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_17|)))) InVars {#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} OutVars{#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} AuxVars[] AssignedVars[][200], [278#(= |#race~datas~0| 0), 281#true, 288#true, Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), 137#L1068-6true, 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 195#L1051-9true, Black: 276#true, 35#L1051-8true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:29,943 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is not cut-off event [2023-11-21 21:04:29,943 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:29,943 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:29,943 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:29,987 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([590] L1070-5-->L1070-6: Formula: (let ((.cse0 (select |v_#race_50| |v_ULTIMATE.start_main_~#tids~0#1.base_24|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 3)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 1)) 0) (= (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_24|) 0))) InVars {#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} OutVars{#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} AuxVars[] AssignedVars[][205], [278#(= |#race~datas~0| 0), 281#true, 288#true, Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 101#L1070-6true, 195#L1051-9true, Black: 276#true, 35#L1051-8true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:29,987 INFO L294 olderBase$Statistics]: this new event has 188 ancestors and is not cut-off event [2023-11-21 21:04:29,988 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:29,988 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:29,988 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:30,002 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([639] L1068-5-->L1068-6: Formula: (let ((.cse0 (select |v_#race_30| |v_ULTIMATE.start_main_~#tids~0#1.base_17|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 1)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 3)) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_17|)))) InVars {#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} OutVars{#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} AuxVars[] AssignedVars[][200], [278#(= |#race~datas~0| 0), 281#true, 288#true, Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), 137#L1068-6true, 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 90#L1051-10true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:30,004 INFO L294 olderBase$Statistics]: this new event has 188 ancestors and is not cut-off event [2023-11-21 21:04:30,004 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:30,004 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:30,005 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:30,043 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([590] L1070-5-->L1070-6: Formula: (let ((.cse0 (select |v_#race_50| |v_ULTIMATE.start_main_~#tids~0#1.base_24|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 3)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 1)) 0) (= (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_24|) 0))) InVars {#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} OutVars{#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} AuxVars[] AssignedVars[][205], [278#(= |#race~datas~0| 0), 281#true, 288#true, Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 101#L1070-6true, 90#L1051-10true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:30,043 INFO L294 olderBase$Statistics]: this new event has 189 ancestors and is not cut-off event [2023-11-21 21:04:30,044 INFO L297 olderBase$Statistics]: existing Event has 189 ancestors and is not cut-off event [2023-11-21 21:04:30,044 INFO L297 olderBase$Statistics]: existing Event has 189 ancestors and is not cut-off event [2023-11-21 21:04:30,045 INFO L297 olderBase$Statistics]: existing Event has 189 ancestors and is not cut-off event [2023-11-21 21:04:30,852 INFO L124 PetriNetUnfolderBase]: 4342/21478 cut-off events. [2023-11-21 21:04:30,852 INFO L125 PetriNetUnfolderBase]: For 2294/2485 co-relation queries the response was YES. [2023-11-21 21:04:30,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34698 conditions, 21478 events. 4342/21478 cut-off events. For 2294/2485 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 270512 event pairs, 1203 based on Foata normal form. 1/19377 useless extension candidates. Maximal degree in co-relation 20165. Up to 3810 conditions per place. [2023-11-21 21:04:31,076 INFO L140 encePairwiseOnDemand]: 245/249 looper letters, 21 selfloop transitions, 4 changer transitions 0/307 dead transitions. [2023-11-21 21:04:31,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 307 transitions, 1020 flow [2023-11-21 21:04:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:04:31,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-21 21:04:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 926 transitions. [2023-11-21 21:04:31,080 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.929718875502008 [2023-11-21 21:04:31,080 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 926 transitions. [2023-11-21 21:04:31,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 926 transitions. [2023-11-21 21:04:31,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:31,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 926 transitions. [2023-11-21 21:04:31,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 231.5) internal successors, (926), 4 states have internal predecessors, (926), 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) [2023-11-21 21:04:31,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 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) [2023-11-21 21:04:31,086 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 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) [2023-11-21 21:04:31,086 INFO L175 Difference]: Start difference. First operand has 255 places, 305 transitions, 966 flow. Second operand 4 states and 926 transitions. [2023-11-21 21:04:31,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 307 transitions, 1020 flow [2023-11-21 21:04:31,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 307 transitions, 1020 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 21:04:31,140 INFO L231 Difference]: Finished difference. Result has 260 places, 306 transitions, 985 flow [2023-11-21 21:04:31,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=966, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=985, PETRI_PLACES=260, PETRI_TRANSITIONS=306} [2023-11-21 21:04:31,141 INFO L281 CegarLoopForPetriNet]: 239 programPoint places, 21 predicate places. [2023-11-21 21:04:31,142 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 306 transitions, 985 flow [2023-11-21 21:04:31,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 226.5) internal successors, (906), 4 states have internal predecessors, (906), 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) [2023-11-21 21:04:31,143 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:31,143 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:31,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-21 21:04:31,143 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-21 21:04:31,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:31,144 INFO L85 PathProgramCache]: Analyzing trace with hash 228518442, now seen corresponding path program 1 times [2023-11-21 21:04:31,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:31,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012975236] [2023-11-21 21:04:31,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:31,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:31,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:31,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012975236] [2023-11-21 21:04:31,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012975236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:31,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:31,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:04:31,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554794541] [2023-11-21 21:04:31,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:31,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:04:31,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:31,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:04:31,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:04:31,312 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 249 [2023-11-21 21:04:31,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 306 transitions, 985 flow. Second operand has 4 states, 4 states have (on average 226.5) internal successors, (906), 4 states have internal predecessors, (906), 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) [2023-11-21 21:04:31,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:31,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 249 [2023-11-21 21:04:31,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:34,183 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([639] L1068-5-->L1068-6: Formula: (let ((.cse0 (select |v_#race_30| |v_ULTIMATE.start_main_~#tids~0#1.base_17|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 1)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 3)) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_17|)))) InVars {#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} OutVars{#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} AuxVars[] AssignedVars[][201], [281#true, 278#(= |#race~datas~0| 0), 288#true, Black: 291#(and (<= (+ ~threads_mask~0 1) 0) (<= 2 |ULTIMATE.start_main_#t~nondet17#1|)), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 290#(<= (+ ~threads_mask~0 1) 0), 137#L1068-6true, 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 295#true, threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 195#L1051-9true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:34,183 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is not cut-off event [2023-11-21 21:04:34,183 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:34,183 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:34,183 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2023-11-21 21:04:34,223 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([590] L1070-5-->L1070-6: Formula: (let ((.cse0 (select |v_#race_50| |v_ULTIMATE.start_main_~#tids~0#1.base_24|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 3)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 1)) 0) (= (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_24|) 0))) InVars {#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} OutVars{#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} AuxVars[] AssignedVars[][206], [281#true, 278#(= |#race~datas~0| 0), 288#true, Black: 291#(and (<= (+ ~threads_mask~0 1) 0) (<= 2 |ULTIMATE.start_main_#t~nondet17#1|)), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 290#(<= (+ ~threads_mask~0 1) 0), 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 295#true, threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, 101#L1070-6true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 195#L1051-9true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:34,223 INFO L294 olderBase$Statistics]: this new event has 188 ancestors and is not cut-off event [2023-11-21 21:04:34,223 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:34,223 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:34,223 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:34,233 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([639] L1068-5-->L1068-6: Formula: (let ((.cse0 (select |v_#race_30| |v_ULTIMATE.start_main_~#tids~0#1.base_17|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 1)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 3)) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_17|)))) InVars {#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} OutVars{#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} AuxVars[] AssignedVars[][201], [281#true, 278#(= |#race~datas~0| 0), 288#true, Black: 291#(and (<= (+ ~threads_mask~0 1) 0) (<= 2 |ULTIMATE.start_main_#t~nondet17#1|)), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 290#(<= (+ ~threads_mask~0 1) 0), 137#L1068-6true, 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 295#true, threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 90#L1051-10true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:34,234 INFO L294 olderBase$Statistics]: this new event has 188 ancestors and is not cut-off event [2023-11-21 21:04:34,234 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:34,234 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:34,234 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is not cut-off event [2023-11-21 21:04:34,272 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([590] L1070-5-->L1070-6: Formula: (let ((.cse0 (select |v_#race_50| |v_ULTIMATE.start_main_~#tids~0#1.base_24|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 3)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 1)) 0) (= (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_24|) 0))) InVars {#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} OutVars{#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} AuxVars[] AssignedVars[][206], [281#true, 278#(= |#race~datas~0| 0), 288#true, Black: 291#(and (<= (+ ~threads_mask~0 1) 0) (<= 2 |ULTIMATE.start_main_#t~nondet17#1|)), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 290#(<= (+ ~threads_mask~0 1) 0), 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 295#true, threadThread1of2ForFork0InUse, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, 101#L1070-6true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 90#L1051-10true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:34,272 INFO L294 olderBase$Statistics]: this new event has 189 ancestors and is not cut-off event [2023-11-21 21:04:34,272 INFO L297 olderBase$Statistics]: existing Event has 189 ancestors and is not cut-off event [2023-11-21 21:04:34,272 INFO L297 olderBase$Statistics]: existing Event has 189 ancestors and is not cut-off event [2023-11-21 21:04:34,272 INFO L297 olderBase$Statistics]: existing Event has 189 ancestors and is not cut-off event [2023-11-21 21:04:34,781 INFO L124 PetriNetUnfolderBase]: 4254/21149 cut-off events. [2023-11-21 21:04:34,781 INFO L125 PetriNetUnfolderBase]: For 2330/2525 co-relation queries the response was YES. [2023-11-21 21:04:34,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34062 conditions, 21149 events. 4254/21149 cut-off events. For 2330/2525 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 265603 event pairs, 1150 based on Foata normal form. 2/19073 useless extension candidates. Maximal degree in co-relation 33943. Up to 3687 conditions per place. [2023-11-21 21:04:34,994 INFO L140 encePairwiseOnDemand]: 245/249 looper letters, 22 selfloop transitions, 4 changer transitions 0/308 dead transitions. [2023-11-21 21:04:34,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 308 transitions, 1041 flow [2023-11-21 21:04:34,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:04:34,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-21 21:04:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 927 transitions. [2023-11-21 21:04:34,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9307228915662651 [2023-11-21 21:04:34,997 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 927 transitions. [2023-11-21 21:04:34,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 927 transitions. [2023-11-21 21:04:34,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:04:34,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 927 transitions. [2023-11-21 21:04:34,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 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) [2023-11-21 21:04:35,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 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) [2023-11-21 21:04:35,002 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 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) [2023-11-21 21:04:35,002 INFO L175 Difference]: Start difference. First operand has 260 places, 306 transitions, 985 flow. Second operand 4 states and 927 transitions. [2023-11-21 21:04:35,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 308 transitions, 1041 flow [2023-11-21 21:04:35,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 308 transitions, 1038 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 21:04:35,053 INFO L231 Difference]: Finished difference. Result has 263 places, 306 transitions, 994 flow [2023-11-21 21:04:35,054 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=982, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=994, PETRI_PLACES=263, PETRI_TRANSITIONS=306} [2023-11-21 21:04:35,058 INFO L281 CegarLoopForPetriNet]: 239 programPoint places, 24 predicate places. [2023-11-21 21:04:35,058 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 306 transitions, 994 flow [2023-11-21 21:04:35,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 226.5) internal successors, (906), 4 states have internal predecessors, (906), 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) [2023-11-21 21:04:35,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 21:04:35,059 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:04:35,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-21 21:04:35,060 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-21 21:04:35,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:04:35,060 INFO L85 PathProgramCache]: Analyzing trace with hash 924090331, now seen corresponding path program 1 times [2023-11-21 21:04:35,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:04:35,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659534777] [2023-11-21 21:04:35,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:04:35,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:04:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:04:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:04:35,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:04:35,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659534777] [2023-11-21 21:04:35,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659534777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:04:35,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:04:35,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:04:35,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436875292] [2023-11-21 21:04:35,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:04:35,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:04:35,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:04:35,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:04:35,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:04:35,208 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 249 [2023-11-21 21:04:35,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 306 transitions, 994 flow. Second operand has 4 states, 4 states have (on average 225.5) internal successors, (902), 4 states have internal predecessors, (902), 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) [2023-11-21 21:04:35,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 21:04:35,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 249 [2023-11-21 21:04:35,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 21:04:38,723 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([639] L1068-5-->L1068-6: Formula: (let ((.cse0 (select |v_#race_30| |v_ULTIMATE.start_main_~#tids~0#1.base_17|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 1)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 3)) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_17|)))) InVars {#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} OutVars{#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} AuxVars[] AssignedVars[][200], [281#true, 278#(= |#race~datas~0| 0), Black: 291#(and (<= (+ ~threads_mask~0 1) 0) (<= 2 |ULTIMATE.start_main_#t~nondet17#1|)), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 290#(<= (+ ~threads_mask~0 1) 0), 137#L1068-6true, 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 298#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= 0 (+ ~threads_mask~0 1))), threadThread1of2ForFork0InUse, 295#true, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 195#L1051-9true, 301#true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:38,723 INFO L294 olderBase$Statistics]: this new event has 191 ancestors and is not cut-off event [2023-11-21 21:04:38,723 INFO L297 olderBase$Statistics]: existing Event has 191 ancestors and is not cut-off event [2023-11-21 21:04:38,724 INFO L297 olderBase$Statistics]: existing Event has 191 ancestors and is not cut-off event [2023-11-21 21:04:38,724 INFO L297 olderBase$Statistics]: existing Event has 191 ancestors and is not cut-off event [2023-11-21 21:04:38,776 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([590] L1070-5-->L1070-6: Formula: (let ((.cse0 (select |v_#race_50| |v_ULTIMATE.start_main_~#tids~0#1.base_24|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 3)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_24| 1)) 0) (= (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_24|) 0))) InVars {#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} OutVars{#race=|v_#race_50|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_24|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_24|} AuxVars[] AssignedVars[][205], [281#true, 278#(= |#race~datas~0| 0), Black: 291#(and (<= (+ ~threads_mask~0 1) 0) (<= 2 |ULTIMATE.start_main_#t~nondet17#1|)), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 290#(<= (+ ~threads_mask~0 1) 0), 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 298#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= 0 (+ ~threads_mask~0 1))), threadThread1of2ForFork0InUse, 295#true, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, 101#L1070-6true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 195#L1051-9true, 301#true, Black: 276#true, 35#L1051-8true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:38,776 INFO L294 olderBase$Statistics]: this new event has 192 ancestors and is not cut-off event [2023-11-21 21:04:38,777 INFO L297 olderBase$Statistics]: existing Event has 192 ancestors and is not cut-off event [2023-11-21 21:04:38,777 INFO L297 olderBase$Statistics]: existing Event has 192 ancestors and is not cut-off event [2023-11-21 21:04:38,777 INFO L297 olderBase$Statistics]: existing Event has 192 ancestors and is not cut-off event [2023-11-21 21:04:38,787 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([639] L1068-5-->L1068-6: Formula: (let ((.cse0 (select |v_#race_30| |v_ULTIMATE.start_main_~#tids~0#1.base_17|))) (and (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 1)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 2)) 0) (= (select .cse0 (+ |v_ULTIMATE.start_main_~#tids~0#1.offset_17| 3)) 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#tids~0#1.offset_17|)))) InVars {#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} OutVars{#race=|v_#race_30|, ULTIMATE.start_main_~#tids~0#1.offset=|v_ULTIMATE.start_main_~#tids~0#1.offset_17|, ULTIMATE.start_main_~#tids~0#1.base=|v_ULTIMATE.start_main_~#tids~0#1.base_17|} AuxVars[] AssignedVars[][200], [281#true, 278#(= |#race~datas~0| 0), Black: 291#(and (<= (+ ~threads_mask~0 1) 0) (<= 2 |ULTIMATE.start_main_#t~nondet17#1|)), Black: 254#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 290#(<= (+ ~threads_mask~0 1) 0), 137#L1068-6true, 269#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), Black: 298#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= 0 (+ ~threads_mask~0 1))), threadThread1of2ForFork0InUse, 295#true, Black: 268#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ 2 |ULTIMATE.start_main_~#tids~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), threadThread2of2ForFork0InUse, Black: 266#(= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0), Black: 264#true, Black: 267#(and (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) (+ |ULTIMATE.start_main_~#tids~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#tids~0#1.base|) |ULTIMATE.start_main_~#tids~0#1.offset|) 0)), 90#L1051-10true, 301#true, 35#L1051-8true, Black: 276#true, Black: 248#(= |#race~threads_mask~0| 0), Black: 283#(<= (+ ~threads_mask~0 1) 0), Black: 284#(and (= |ULTIMATE.start_main_#t~nondet17#1| 1) (<= (+ ~threads_mask~0 1) 0))]) [2023-11-21 21:04:38,787 INFO L294 olderBase$Statistics]: this new event has 192 ancestors and is not cut-off event [2023-11-21 21:04:38,788 INFO L297 olderBase$Statistics]: existing Event has 192 ancestors and is not cut-off event [2023-11-21 21:04:38,788 INFO L297 olderBase$Statistics]: existing Event has 192 ancestors and is not cut-off event [2023-11-21 21:04:38,788 INFO L297 olderBase$Statistics]: existing Event has 192 ancestors and is not cut-off event