./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya --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 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:14:29,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:14:29,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 00:14:29,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:14:29,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:14:29,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:14:29,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:14:29,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:14:29,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:14:29,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:14:29,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:14:29,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:14:29,306 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:14:29,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:14:29,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:14:29,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:14:29,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:14:29,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:14:29,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:14:29,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:14:29,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:14:29,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:14:29,313 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 00:14:29,313 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:14:29,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:14:29,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:14:29,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:14:29,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:14:29,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:14:29,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:14:29,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:14:29,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:14:29,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:14:29,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:14:29,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:14:29,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:14:29,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:14:29,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:14:29,318 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:14:29,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:14:29,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:14:29,319 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_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2023-11-29 00:14:29,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:14:29,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:14:29,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:14:29,579 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:14:29,580 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:14:29,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-29 00:14:32,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:14:33,231 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:14:33,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-29 00:14:33,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/data/8c890ed37/84123e1db7dc41b8b3c41af0f1b58198/FLAGea43f6381 [2023-11-29 00:14:33,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/data/8c890ed37/84123e1db7dc41b8b3c41af0f1b58198 [2023-11-29 00:14:33,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:14:33,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:14:33,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:14:33,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:14:33,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:14:33,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:14:33" (1/1) ... [2023-11-29 00:14:33,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411315ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:33, skipping insertion in model container [2023-11-29 00:14:33,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:14:33" (1/1) ... [2023-11-29 00:14:33,413 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:14:33,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:14:33,987 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:14:34,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:14:34,102 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:14:34,102 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:14:34,108 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:14:34,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34 WrapperNode [2023-11-29 00:14:34,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:14:34,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:14:34,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:14:34,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:14:34,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,171 INFO L138 Inliner]: procedures = 248, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 244 [2023-11-29 00:14:34,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:14:34,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:14:34,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:14:34,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:14:34,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:14:34,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:14:34,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:14:34,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:14:34,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (1/1) ... [2023-11-29 00:14:34,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:14:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:14:34,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:14:34,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc0a159-3a3b-4f69-99c3-e6bca8d05f56/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:14:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-29 00:14:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-29 00:14:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 00:14:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:14:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:14:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 00:14:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 00:14:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:14:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:14:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 00:14:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:14:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-29 00:14:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 00:14:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:14:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:14:34,323 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 00:14:34,628 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:14:34,631 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:14:35,182 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:14:35,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:14:35,355 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 00:14:35,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:14:35 BoogieIcfgContainer [2023-11-29 00:14:35,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:14:35,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:14:35,361 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:14:35,365 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:14:35,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:14:33" (1/3) ... [2023-11-29 00:14:35,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b9867a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:14:35, skipping insertion in model container [2023-11-29 00:14:35,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:34" (2/3) ... [2023-11-29 00:14:35,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b9867a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:14:35, skipping insertion in model container [2023-11-29 00:14:35,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:14:35" (3/3) ... [2023-11-29 00:14:35,368 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-11-29 00:14:35,378 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 00:14:35,391 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:14:35,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-29 00:14:35,392 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 00:14:35,488 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 00:14:35,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 267 places, 271 transitions, 556 flow [2023-11-29 00:14:35,691 INFO L124 PetriNetUnfolderBase]: 14/359 cut-off events. [2023-11-29 00:14:35,691 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 00:14:35,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 359 events. 14/359 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 782 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 176. Up to 4 conditions per place. [2023-11-29 00:14:35,700 INFO L82 GeneralOperation]: Start removeDead. Operand has 267 places, 271 transitions, 556 flow [2023-11-29 00:14:35,710 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 268 transitions, 548 flow [2023-11-29 00:14:35,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:14:35,732 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;@58a8dab7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:14:35,733 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-11-29 00:14:35,742 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:14:35,742 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-29 00:14:35,742 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:14:35,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:35,743 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] [2023-11-29 00:14:35,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:14:35,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:35,750 INFO L85 PathProgramCache]: Analyzing trace with hash 729578656, now seen corresponding path program 1 times [2023-11-29 00:14:35,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:35,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460812429] [2023-11-29 00:14:35,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:35,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:36,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:36,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460812429] [2023-11-29 00:14:36,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460812429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:36,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:36,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:14:36,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450503890] [2023-11-29 00:14:36,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:36,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:14:36,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:36,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:14:36,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:14:37,160 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 271 [2023-11-29 00:14:37,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 268 transitions, 548 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:37,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:37,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 271 [2023-11-29 00:14:37,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:38,453 INFO L124 PetriNetUnfolderBase]: 1336/4299 cut-off events. [2023-11-29 00:14:38,454 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-11-29 00:14:38,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6550 conditions, 4299 events. 1336/4299 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 35307 event pairs, 1335 based on Foata normal form. 152/4124 useless extension candidates. Maximal degree in co-relation 6087. Up to 2222 conditions per place. [2023-11-29 00:14:38,502 INFO L140 encePairwiseOnDemand]: 247/271 looper letters, 55 selfloop transitions, 5 changer transitions 6/237 dead transitions. [2023-11-29 00:14:38,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 237 transitions, 606 flow [2023-11-29 00:14:38,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:14:38,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:14:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1207 transitions. [2023-11-29 00:14:38,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7423124231242313 [2023-11-29 00:14:38,527 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1207 transitions. [2023-11-29 00:14:38,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1207 transitions. [2023-11-29 00:14:38,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:38,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1207 transitions. [2023-11-29 00:14:38,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.16666666666666) internal successors, (1207), 6 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:38,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:38,558 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:38,561 INFO L175 Difference]: Start difference. First operand has 265 places, 268 transitions, 548 flow. Second operand 6 states and 1207 transitions. [2023-11-29 00:14:38,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 237 transitions, 606 flow [2023-11-29 00:14:38,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 237 transitions, 598 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:14:38,577 INFO L231 Difference]: Finished difference. Result has 243 places, 231 transitions, 476 flow [2023-11-29 00:14:38,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=476, PETRI_PLACES=243, PETRI_TRANSITIONS=231} [2023-11-29 00:14:38,585 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -22 predicate places. [2023-11-29 00:14:38,585 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 231 transitions, 476 flow [2023-11-29 00:14:38,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:38,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:38,587 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] [2023-11-29 00:14:38,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:14:38,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:14:38,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:38,589 INFO L85 PathProgramCache]: Analyzing trace with hash 965526797, now seen corresponding path program 1 times [2023-11-29 00:14:38,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:38,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596333840] [2023-11-29 00:14:38,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:38,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:39,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:39,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596333840] [2023-11-29 00:14:39,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596333840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:39,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:39,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:14:39,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643830756] [2023-11-29 00:14:39,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:39,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:14:39,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:39,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:14:39,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:14:39,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 271 [2023-11-29 00:14:39,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 231 transitions, 476 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:39,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:39,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 271 [2023-11-29 00:14:39,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:40,770 INFO L124 PetriNetUnfolderBase]: 1336/4292 cut-off events. [2023-11-29 00:14:40,771 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 00:14:40,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6533 conditions, 4292 events. 1336/4292 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 35223 event pairs, 1335 based on Foata normal form. 0/3968 useless extension candidates. Maximal degree in co-relation 6486. Up to 2222 conditions per place. [2023-11-29 00:14:40,811 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 55 selfloop transitions, 5 changer transitions 0/230 dead transitions. [2023-11-29 00:14:40,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 230 transitions, 594 flow [2023-11-29 00:14:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:14:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:14:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1189 transitions. [2023-11-29 00:14:40,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7312423124231242 [2023-11-29 00:14:40,818 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1189 transitions. [2023-11-29 00:14:40,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1189 transitions. [2023-11-29 00:14:40,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:40,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1189 transitions. [2023-11-29 00:14:40,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 198.16666666666666) internal successors, (1189), 6 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:40,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:40,832 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:40,832 INFO L175 Difference]: Start difference. First operand has 243 places, 231 transitions, 476 flow. Second operand 6 states and 1189 transitions. [2023-11-29 00:14:40,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 230 transitions, 594 flow [2023-11-29 00:14:40,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 230 transitions, 584 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:14:40,841 INFO L231 Difference]: Finished difference. Result has 236 places, 230 transitions, 474 flow [2023-11-29 00:14:40,842 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=474, PETRI_PLACES=236, PETRI_TRANSITIONS=230} [2023-11-29 00:14:40,843 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -29 predicate places. [2023-11-29 00:14:40,843 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 230 transitions, 474 flow [2023-11-29 00:14:40,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:40,845 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:40,845 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] [2023-11-29 00:14:40,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:14:40,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:14:40,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:40,846 INFO L85 PathProgramCache]: Analyzing trace with hash 818257854, now seen corresponding path program 1 times [2023-11-29 00:14:40,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:40,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048586123] [2023-11-29 00:14:40,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:40,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:41,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:41,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:41,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048586123] [2023-11-29 00:14:41,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048586123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:41,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:41,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:14:41,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719636050] [2023-11-29 00:14:41,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:41,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:14:41,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:41,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:14:41,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:14:41,898 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 271 [2023-11-29 00:14:41,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 230 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:41,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:41,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 271 [2023-11-29 00:14:41,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:43,236 INFO L124 PetriNetUnfolderBase]: 1528/4330 cut-off events. [2023-11-29 00:14:43,236 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-29 00:14:43,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6879 conditions, 4330 events. 1528/4330 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 34068 event pairs, 1067 based on Foata normal form. 0/4112 useless extension candidates. Maximal degree in co-relation 6816. Up to 2198 conditions per place. [2023-11-29 00:14:43,265 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 69 selfloop transitions, 30 changer transitions 6/275 dead transitions. [2023-11-29 00:14:43,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 275 transitions, 768 flow [2023-11-29 00:14:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:14:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:14:43,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1255 transitions. [2023-11-29 00:14:43,270 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7718327183271833 [2023-11-29 00:14:43,270 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1255 transitions. [2023-11-29 00:14:43,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1255 transitions. [2023-11-29 00:14:43,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:43,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1255 transitions. [2023-11-29 00:14:43,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.16666666666666) internal successors, (1255), 6 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:43,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:43,282 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:43,282 INFO L175 Difference]: Start difference. First operand has 236 places, 230 transitions, 474 flow. Second operand 6 states and 1255 transitions. [2023-11-29 00:14:43,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 275 transitions, 768 flow [2023-11-29 00:14:43,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 275 transitions, 758 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:14:43,289 INFO L231 Difference]: Finished difference. Result has 241 places, 253 transitions, 654 flow [2023-11-29 00:14:43,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=654, PETRI_PLACES=241, PETRI_TRANSITIONS=253} [2023-11-29 00:14:43,291 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -24 predicate places. [2023-11-29 00:14:43,291 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 253 transitions, 654 flow [2023-11-29 00:14:43,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:43,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:43,292 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] [2023-11-29 00:14:43,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:14:43,293 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:14:43,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:43,293 INFO L85 PathProgramCache]: Analyzing trace with hash -311482715, now seen corresponding path program 1 times [2023-11-29 00:14:43,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:43,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180973177] [2023-11-29 00:14:43,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:43,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:43,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:43,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180973177] [2023-11-29 00:14:43,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180973177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:43,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:43,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:14:43,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780491626] [2023-11-29 00:14:43,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:43,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:14:43,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:43,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:14:43,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:14:43,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 271 [2023-11-29 00:14:43,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 253 transitions, 654 flow. Second operand has 5 states, 5 states have (on average 221.6) internal successors, (1108), 5 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:43,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:43,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 271 [2023-11-29 00:14:43,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:44,112 INFO L124 PetriNetUnfolderBase]: 797/3121 cut-off events. [2023-11-29 00:14:44,112 INFO L125 PetriNetUnfolderBase]: For 677/679 co-relation queries the response was YES. [2023-11-29 00:14:44,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5548 conditions, 3121 events. 797/3121 cut-off events. For 677/679 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 24253 event pairs, 517 based on Foata normal form. 1/2928 useless extension candidates. Maximal degree in co-relation 3479. Up to 1100 conditions per place. [2023-11-29 00:14:44,139 INFO L140 encePairwiseOnDemand]: 266/271 looper letters, 50 selfloop transitions, 4 changer transitions 0/256 dead transitions. [2023-11-29 00:14:44,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 256 transitions, 768 flow [2023-11-29 00:14:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:14:44,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:14:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1351 transitions. [2023-11-29 00:14:44,144 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8308733087330873 [2023-11-29 00:14:44,145 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1351 transitions. [2023-11-29 00:14:44,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1351 transitions. [2023-11-29 00:14:44,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:44,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1351 transitions. [2023-11-29 00:14:44,151 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) [2023-11-29 00:14:44,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:44,156 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:44,156 INFO L175 Difference]: Start difference. First operand has 241 places, 253 transitions, 654 flow. Second operand 6 states and 1351 transitions. [2023-11-29 00:14:44,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 256 transitions, 768 flow [2023-11-29 00:14:44,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 256 transitions, 768 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:14:44,168 INFO L231 Difference]: Finished difference. Result has 244 places, 256 transitions, 683 flow [2023-11-29 00:14:44,169 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=683, PETRI_PLACES=244, PETRI_TRANSITIONS=256} [2023-11-29 00:14:44,169 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -21 predicate places. [2023-11-29 00:14:44,170 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 256 transitions, 683 flow [2023-11-29 00:14:44,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.6) internal successors, (1108), 5 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:44,170 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:44,171 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] [2023-11-29 00:14:44,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:14:44,171 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:14:44,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:44,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1036076451, now seen corresponding path program 1 times [2023-11-29 00:14:44,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:44,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234580836] [2023-11-29 00:14:44,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:44,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:44,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:44,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234580836] [2023-11-29 00:14:44,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234580836] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:44,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:44,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:14:44,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504063697] [2023-11-29 00:14:44,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:44,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:14:44,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:44,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:14:44,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:14:45,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 271 [2023-11-29 00:14:45,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 256 transitions, 683 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:45,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:45,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 271 [2023-11-29 00:14:45,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:46,199 INFO L124 PetriNetUnfolderBase]: 1759/4549 cut-off events. [2023-11-29 00:14:46,199 INFO L125 PetriNetUnfolderBase]: For 1172/1194 co-relation queries the response was YES. [2023-11-29 00:14:46,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9134 conditions, 4549 events. 1759/4549 cut-off events. For 1172/1194 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 35400 event pairs, 1055 based on Foata normal form. 0/4288 useless extension candidates. Maximal degree in co-relation 9031. Up to 2408 conditions per place. [2023-11-29 00:14:46,222 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 92 selfloop transitions, 30 changer transitions 12/301 dead transitions. [2023-11-29 00:14:46,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 301 transitions, 1067 flow [2023-11-29 00:14:46,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:14:46,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:14:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1252 transitions. [2023-11-29 00:14:46,226 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7699876998769988 [2023-11-29 00:14:46,226 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1252 transitions. [2023-11-29 00:14:46,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1252 transitions. [2023-11-29 00:14:46,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:46,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1252 transitions. [2023-11-29 00:14:46,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.66666666666666) internal successors, (1252), 6 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:46,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:46,236 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:46,236 INFO L175 Difference]: Start difference. First operand has 244 places, 256 transitions, 683 flow. Second operand 6 states and 1252 transitions. [2023-11-29 00:14:46,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 301 transitions, 1067 flow [2023-11-29 00:14:46,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 301 transitions, 1066 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:14:46,246 INFO L231 Difference]: Finished difference. Result has 253 places, 273 transitions, 908 flow [2023-11-29 00:14:46,247 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=908, PETRI_PLACES=253, PETRI_TRANSITIONS=273} [2023-11-29 00:14:46,248 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -12 predicate places. [2023-11-29 00:14:46,248 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 273 transitions, 908 flow [2023-11-29 00:14:46,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:46,249 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:46,249 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] [2023-11-29 00:14:46,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:14:46,249 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:14:46,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:46,250 INFO L85 PathProgramCache]: Analyzing trace with hash -516298703, now seen corresponding path program 1 times [2023-11-29 00:14:46,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:46,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965725834] [2023-11-29 00:14:46,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:46,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:46,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:46,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:46,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965725834] [2023-11-29 00:14:46,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965725834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:46,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:46,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:14:46,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496947766] [2023-11-29 00:14:46,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:46,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:14:46,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:46,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:14:46,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:14:47,026 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 271 [2023-11-29 00:14:47,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 273 transitions, 908 flow. Second operand has 6 states, 6 states have (on average 210.66666666666666) internal successors, (1264), 6 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:47,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:47,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 271 [2023-11-29 00:14:47,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:48,024 INFO L124 PetriNetUnfolderBase]: 1771/4196 cut-off events. [2023-11-29 00:14:48,024 INFO L125 PetriNetUnfolderBase]: For 2565/2748 co-relation queries the response was YES. [2023-11-29 00:14:48,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10721 conditions, 4196 events. 1771/4196 cut-off events. For 2565/2748 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 32578 event pairs, 745 based on Foata normal form. 0/4068 useless extension candidates. Maximal degree in co-relation 9034. Up to 2389 conditions per place. [2023-11-29 00:14:48,058 INFO L140 encePairwiseOnDemand]: 260/271 looper letters, 119 selfloop transitions, 22 changer transitions 0/319 dead transitions. [2023-11-29 00:14:48,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 319 transitions, 1379 flow [2023-11-29 00:14:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:14:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:14:48,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1336 transitions. [2023-11-29 00:14:48,064 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8216482164821648 [2023-11-29 00:14:48,064 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1336 transitions. [2023-11-29 00:14:48,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1336 transitions. [2023-11-29 00:14:48,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:48,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1336 transitions. [2023-11-29 00:14:48,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 222.66666666666666) internal successors, (1336), 6 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:48,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:48,077 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:48,077 INFO L175 Difference]: Start difference. First operand has 253 places, 273 transitions, 908 flow. Second operand 6 states and 1336 transitions. [2023-11-29 00:14:48,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 319 transitions, 1379 flow [2023-11-29 00:14:48,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 319 transitions, 1331 flow, removed 24 selfloop flow, removed 0 redundant places. [2023-11-29 00:14:48,094 INFO L231 Difference]: Finished difference. Result has 251 places, 294 transitions, 1074 flow [2023-11-29 00:14:48,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=860, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1074, PETRI_PLACES=251, PETRI_TRANSITIONS=294} [2023-11-29 00:14:48,096 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -14 predicate places. [2023-11-29 00:14:48,096 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 294 transitions, 1074 flow [2023-11-29 00:14:48,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 210.66666666666666) internal successors, (1264), 6 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:48,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:48,098 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] [2023-11-29 00:14:48,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:14:48,098 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:14:48,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:48,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1509128706, now seen corresponding path program 1 times [2023-11-29 00:14:48,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:48,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640198760] [2023-11-29 00:14:48,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:48,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:48,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:48,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640198760] [2023-11-29 00:14:48,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640198760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:48,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:48,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:14:48,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902995304] [2023-11-29 00:14:48,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:48,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:14:48,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:48,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:14:48,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:14:49,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 271 [2023-11-29 00:14:49,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 294 transitions, 1074 flow. Second operand has 6 states, 6 states have (on average 204.33333333333334) internal successors, (1226), 6 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:49,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:49,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 271 [2023-11-29 00:14:49,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:50,366 INFO L124 PetriNetUnfolderBase]: 1951/5088 cut-off events. [2023-11-29 00:14:50,366 INFO L125 PetriNetUnfolderBase]: For 5102/5986 co-relation queries the response was YES. [2023-11-29 00:14:50,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13150 conditions, 5088 events. 1951/5088 cut-off events. For 5102/5986 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 41765 event pairs, 808 based on Foata normal form. 0/4882 useless extension candidates. Maximal degree in co-relation 11872. Up to 2538 conditions per place. [2023-11-29 00:14:50,413 INFO L140 encePairwiseOnDemand]: 255/271 looper letters, 132 selfloop transitions, 26 changer transitions 0/338 dead transitions. [2023-11-29 00:14:50,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 338 transitions, 1610 flow [2023-11-29 00:14:50,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:14:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:14:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1297 transitions. [2023-11-29 00:14:50,418 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7976629766297663 [2023-11-29 00:14:50,418 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1297 transitions. [2023-11-29 00:14:50,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1297 transitions. [2023-11-29 00:14:50,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:50,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1297 transitions. [2023-11-29 00:14:50,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 216.16666666666666) internal successors, (1297), 6 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:50,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:50,427 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:50,427 INFO L175 Difference]: Start difference. First operand has 251 places, 294 transitions, 1074 flow. Second operand 6 states and 1297 transitions. [2023-11-29 00:14:50,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 338 transitions, 1610 flow [2023-11-29 00:14:50,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 338 transitions, 1610 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:14:50,443 INFO L231 Difference]: Finished difference. Result has 260 places, 314 transitions, 1338 flow [2023-11-29 00:14:50,444 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1338, PETRI_PLACES=260, PETRI_TRANSITIONS=314} [2023-11-29 00:14:50,445 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -5 predicate places. [2023-11-29 00:14:50,445 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 314 transitions, 1338 flow [2023-11-29 00:14:50,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.33333333333334) internal successors, (1226), 6 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:50,446 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:50,446 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] [2023-11-29 00:14:50,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:14:50,446 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:14:50,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:50,447 INFO L85 PathProgramCache]: Analyzing trace with hash -519143037, now seen corresponding path program 1 times [2023-11-29 00:14:50,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:50,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939630401] [2023-11-29 00:14:50,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:50,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:50,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:50,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:50,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939630401] [2023-11-29 00:14:50,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939630401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:50,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:50,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:14:50,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168309736] [2023-11-29 00:14:50,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:50,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:14:50,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:50,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:14:50,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:14:50,630 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 271 [2023-11-29 00:14:50,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 314 transitions, 1338 flow. Second operand has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:50,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:50,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 271 [2023-11-29 00:14:50,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:51,205 INFO L124 PetriNetUnfolderBase]: 650/2028 cut-off events. [2023-11-29 00:14:51,205 INFO L125 PetriNetUnfolderBase]: For 3044/3048 co-relation queries the response was YES. [2023-11-29 00:14:51,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5526 conditions, 2028 events. 650/2028 cut-off events. For 3044/3048 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 13935 event pairs, 34 based on Foata normal form. 36/2042 useless extension candidates. Maximal degree in co-relation 5422. Up to 645 conditions per place. [2023-11-29 00:14:51,223 INFO L140 encePairwiseOnDemand]: 266/271 looper letters, 84 selfloop transitions, 4 changer transitions 3/273 dead transitions. [2023-11-29 00:14:51,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 273 transitions, 1200 flow [2023-11-29 00:14:51,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:14:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:14:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1386 transitions. [2023-11-29 00:14:51,228 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8523985239852399 [2023-11-29 00:14:51,228 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1386 transitions. [2023-11-29 00:14:51,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1386 transitions. [2023-11-29 00:14:51,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:51,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1386 transitions. [2023-11-29 00:14:51,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 231.0) internal successors, (1386), 6 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) [2023-11-29 00:14:51,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:51,238 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:51,238 INFO L175 Difference]: Start difference. First operand has 260 places, 314 transitions, 1338 flow. Second operand 6 states and 1386 transitions. [2023-11-29 00:14:51,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 273 transitions, 1200 flow [2023-11-29 00:14:51,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 273 transitions, 1131 flow, removed 3 selfloop flow, removed 24 redundant places. [2023-11-29 00:14:51,252 INFO L231 Difference]: Finished difference. Result has 239 places, 230 transitions, 720 flow [2023-11-29 00:14:51,252 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=720, PETRI_PLACES=239, PETRI_TRANSITIONS=230} [2023-11-29 00:14:51,253 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, -26 predicate places. [2023-11-29 00:14:51,253 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 230 transitions, 720 flow [2023-11-29 00:14:51,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:51,255 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:51,255 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] [2023-11-29 00:14:51,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:14:51,255 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:14:51,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:51,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1495797976, now seen corresponding path program 1 times [2023-11-29 00:14:51,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:51,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879610367] [2023-11-29 00:14:51,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:51,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:52,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:52,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879610367] [2023-11-29 00:14:52,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879610367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:52,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:52,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-29 00:14:52,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697093131] [2023-11-29 00:14:52,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:52,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 00:14:52,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:52,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 00:14:52,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2023-11-29 00:14:56,826 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:14:56,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 230 transitions, 720 flow. Second operand has 19 states, 19 states have (on average 187.8421052631579) internal successors, (3569), 19 states have internal predecessors, (3569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:56,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:56,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:14:56,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:15:00,358 INFO L124 PetriNetUnfolderBase]: 2033/4782 cut-off events. [2023-11-29 00:15:00,359 INFO L125 PetriNetUnfolderBase]: For 4983/4989 co-relation queries the response was YES. [2023-11-29 00:15:00,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13191 conditions, 4782 events. 2033/4782 cut-off events. For 4983/4989 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 35512 event pairs, 65 based on Foata normal form. 28/4792 useless extension candidates. Maximal degree in co-relation 13053. Up to 966 conditions per place. [2023-11-29 00:15:00,387 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 379 selfloop transitions, 122 changer transitions 0/650 dead transitions. [2023-11-29 00:15:00,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 650 transitions, 4193 flow [2023-11-29 00:15:00,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-29 00:15:00,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2023-11-29 00:15:00,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 9127 transitions. [2023-11-29 00:15:00,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7165737614822957 [2023-11-29 00:15:00,418 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 9127 transitions. [2023-11-29 00:15:00,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 9127 transitions. [2023-11-29 00:15:00,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:15:00,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 9127 transitions. [2023-11-29 00:15:00,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 194.19148936170214) internal successors, (9127), 47 states have internal predecessors, (9127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:00,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 271.0) internal successors, (13008), 48 states have internal predecessors, (13008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:00,482 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 271.0) internal successors, (13008), 48 states have internal predecessors, (13008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:00,483 INFO L175 Difference]: Start difference. First operand has 239 places, 230 transitions, 720 flow. Second operand 47 states and 9127 transitions. [2023-11-29 00:15:00,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 650 transitions, 4193 flow [2023-11-29 00:15:00,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 650 transitions, 4169 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-11-29 00:15:00,524 INFO L231 Difference]: Finished difference. Result has 291 places, 335 transitions, 1764 flow [2023-11-29 00:15:00,524 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=1764, PETRI_PLACES=291, PETRI_TRANSITIONS=335} [2023-11-29 00:15:00,525 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 26 predicate places. [2023-11-29 00:15:00,525 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 335 transitions, 1764 flow [2023-11-29 00:15:00,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 187.8421052631579) internal successors, (3569), 19 states have internal predecessors, (3569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:00,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:15:00,527 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] [2023-11-29 00:15:00,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:15:00,528 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:15:00,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:00,528 INFO L85 PathProgramCache]: Analyzing trace with hash -639632354, now seen corresponding path program 2 times [2023-11-29 00:15:00,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:15:00,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362175272] [2023-11-29 00:15:00,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:00,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:15:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:15:01,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:15:01,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362175272] [2023-11-29 00:15:01,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362175272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:15:01,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:15:01,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:15:01,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956548470] [2023-11-29 00:15:01,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:15:01,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:15:01,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:15:01,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:15:01,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:15:06,439 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:15:06,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 335 transitions, 1764 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:06,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:15:06,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:15:06,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:15:10,103 INFO L124 PetriNetUnfolderBase]: 2345/5375 cut-off events. [2023-11-29 00:15:10,103 INFO L125 PetriNetUnfolderBase]: For 17371/17403 co-relation queries the response was YES. [2023-11-29 00:15:10,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19109 conditions, 5375 events. 2345/5375 cut-off events. For 17371/17403 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 40502 event pairs, 134 based on Foata normal form. 44/5394 useless extension candidates. Maximal degree in co-relation 18960. Up to 1839 conditions per place. [2023-11-29 00:15:10,133 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 341 selfloop transitions, 152 changer transitions 0/642 dead transitions. [2023-11-29 00:15:10,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 642 transitions, 5632 flow [2023-11-29 00:15:10,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-29 00:15:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2023-11-29 00:15:10,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 7965 transitions. [2023-11-29 00:15:10,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7168571685716857 [2023-11-29 00:15:10,149 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 7965 transitions. [2023-11-29 00:15:10,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 7965 transitions. [2023-11-29 00:15:10,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:15:10,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 7965 transitions. [2023-11-29 00:15:10,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 194.26829268292684) internal successors, (7965), 41 states have internal predecessors, (7965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:10,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 271.0) internal successors, (11382), 42 states have internal predecessors, (11382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:10,191 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 271.0) internal successors, (11382), 42 states have internal predecessors, (11382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:10,191 INFO L175 Difference]: Start difference. First operand has 291 places, 335 transitions, 1764 flow. Second operand 41 states and 7965 transitions. [2023-11-29 00:15:10,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 642 transitions, 5632 flow [2023-11-29 00:15:10,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 642 transitions, 5550 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-11-29 00:15:10,293 INFO L231 Difference]: Finished difference. Result has 334 places, 396 transitions, 3083 flow [2023-11-29 00:15:10,294 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=1704, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=3083, PETRI_PLACES=334, PETRI_TRANSITIONS=396} [2023-11-29 00:15:10,294 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 69 predicate places. [2023-11-29 00:15:10,295 INFO L495 AbstractCegarLoop]: Abstraction has has 334 places, 396 transitions, 3083 flow [2023-11-29 00:15:10,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:10,296 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:15:10,296 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] [2023-11-29 00:15:10,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:15:10,296 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:15:10,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:10,297 INFO L85 PathProgramCache]: Analyzing trace with hash -201769836, now seen corresponding path program 3 times [2023-11-29 00:15:10,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:15:10,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674177336] [2023-11-29 00:15:10,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:10,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:15:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:15:11,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:15:11,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674177336] [2023-11-29 00:15:11,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674177336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:15:11,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:15:11,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:15:11,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571136186] [2023-11-29 00:15:11,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:15:11,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:15:11,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:15:11,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:15:11,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:15:15,660 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:15:15,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 396 transitions, 3083 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:15,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:15:15,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:15:15,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:15:20,103 INFO L124 PetriNetUnfolderBase]: 2923/6557 cut-off events. [2023-11-29 00:15:20,103 INFO L125 PetriNetUnfolderBase]: For 35012/35060 co-relation queries the response was YES. [2023-11-29 00:15:20,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27085 conditions, 6557 events. 2923/6557 cut-off events. For 35012/35060 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 51453 event pairs, 167 based on Foata normal form. 54/6587 useless extension candidates. Maximal degree in co-relation 26922. Up to 1965 conditions per place. [2023-11-29 00:15:20,168 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 379 selfloop transitions, 215 changer transitions 0/743 dead transitions. [2023-11-29 00:15:20,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 743 transitions, 8241 flow [2023-11-29 00:15:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-29 00:15:20,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2023-11-29 00:15:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 8371 transitions. [2023-11-29 00:15:20,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7183557882090449 [2023-11-29 00:15:20,177 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 8371 transitions. [2023-11-29 00:15:20,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 8371 transitions. [2023-11-29 00:15:20,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:15:20,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 8371 transitions. [2023-11-29 00:15:20,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 194.67441860465115) internal successors, (8371), 43 states have internal predecessors, (8371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:20,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:20,221 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:20,221 INFO L175 Difference]: Start difference. First operand has 334 places, 396 transitions, 3083 flow. Second operand 43 states and 8371 transitions. [2023-11-29 00:15:20,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 743 transitions, 8241 flow [2023-11-29 00:15:20,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 743 transitions, 7832 flow, removed 153 selfloop flow, removed 25 redundant places. [2023-11-29 00:15:20,491 INFO L231 Difference]: Finished difference. Result has 360 places, 469 transitions, 4640 flow [2023-11-29 00:15:20,492 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=2776, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=4640, PETRI_PLACES=360, PETRI_TRANSITIONS=469} [2023-11-29 00:15:20,493 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 95 predicate places. [2023-11-29 00:15:20,493 INFO L495 AbstractCegarLoop]: Abstraction has has 360 places, 469 transitions, 4640 flow [2023-11-29 00:15:20,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:20,494 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:15:20,495 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] [2023-11-29 00:15:20,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:15:20,495 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:15:20,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:20,495 INFO L85 PathProgramCache]: Analyzing trace with hash -882179302, now seen corresponding path program 4 times [2023-11-29 00:15:20,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:15:20,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730014926] [2023-11-29 00:15:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:20,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:15:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:15:21,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:15:21,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730014926] [2023-11-29 00:15:21,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730014926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:15:21,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:15:21,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:15:21,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996240339] [2023-11-29 00:15:21,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:15:21,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:15:21,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:15:21,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:15:21,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:15:26,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:15:26,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 469 transitions, 4640 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:26,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:15:26,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:15:26,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:15:31,113 INFO L124 PetriNetUnfolderBase]: 3152/7077 cut-off events. [2023-11-29 00:15:31,113 INFO L125 PetriNetUnfolderBase]: For 55204/55243 co-relation queries the response was YES. [2023-11-29 00:15:31,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32854 conditions, 7077 events. 3152/7077 cut-off events. For 55204/55243 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 56756 event pairs, 112 based on Foata normal form. 50/7109 useless extension candidates. Maximal degree in co-relation 32682. Up to 2674 conditions per place. [2023-11-29 00:15:31,178 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 388 selfloop transitions, 220 changer transitions 0/757 dead transitions. [2023-11-29 00:15:31,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 757 transitions, 9487 flow [2023-11-29 00:15:31,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-29 00:15:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2023-11-29 00:15:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 8355 transitions. [2023-11-29 00:15:31,188 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.716982751222861 [2023-11-29 00:15:31,188 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 8355 transitions. [2023-11-29 00:15:31,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 8355 transitions. [2023-11-29 00:15:31,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:15:31,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 8355 transitions. [2023-11-29 00:15:31,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 194.30232558139534) internal successors, (8355), 43 states have internal predecessors, (8355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:31,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:31,218 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:31,219 INFO L175 Difference]: Start difference. First operand has 360 places, 469 transitions, 4640 flow. Second operand 43 states and 8355 transitions. [2023-11-29 00:15:31,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 757 transitions, 9487 flow [2023-11-29 00:15:31,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 757 transitions, 8739 flow, removed 267 selfloop flow, removed 32 redundant places. [2023-11-29 00:15:31,471 INFO L231 Difference]: Finished difference. Result has 375 places, 502 transitions, 5312 flow [2023-11-29 00:15:31,472 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=4118, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=5312, PETRI_PLACES=375, PETRI_TRANSITIONS=502} [2023-11-29 00:15:31,472 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 110 predicate places. [2023-11-29 00:15:31,472 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 502 transitions, 5312 flow [2023-11-29 00:15:31,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:31,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:15:31,473 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] [2023-11-29 00:15:31,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 00:15:31,473 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:15:31,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:31,474 INFO L85 PathProgramCache]: Analyzing trace with hash -286743056, now seen corresponding path program 5 times [2023-11-29 00:15:31,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:15:31,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317836688] [2023-11-29 00:15:31,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:31,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:15:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:15:32,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:15:32,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317836688] [2023-11-29 00:15:32,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317836688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:15:32,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:15:32,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:15:32,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650363527] [2023-11-29 00:15:32,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:15:32,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:15:32,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:15:32,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:15:32,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:15:36,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:15:36,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 502 transitions, 5312 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:36,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:15:36,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:15:36,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:15:41,475 INFO L124 PetriNetUnfolderBase]: 3179/7199 cut-off events. [2023-11-29 00:15:41,475 INFO L125 PetriNetUnfolderBase]: For 56356/56401 co-relation queries the response was YES. [2023-11-29 00:15:41,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34142 conditions, 7199 events. 3179/7199 cut-off events. For 56356/56401 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 58179 event pairs, 130 based on Foata normal form. 62/7242 useless extension candidates. Maximal degree in co-relation 33968. Up to 2450 conditions per place. [2023-11-29 00:15:41,556 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 398 selfloop transitions, 242 changer transitions 0/789 dead transitions. [2023-11-29 00:15:41,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 789 transitions, 10001 flow [2023-11-29 00:15:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-29 00:15:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2023-11-29 00:15:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 8363 transitions. [2023-11-29 00:15:41,564 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.717669269715953 [2023-11-29 00:15:41,564 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 8363 transitions. [2023-11-29 00:15:41,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 8363 transitions. [2023-11-29 00:15:41,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:15:41,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 8363 transitions. [2023-11-29 00:15:41,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 194.48837209302326) internal successors, (8363), 43 states have internal predecessors, (8363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:41,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:41,582 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 271.0) internal successors, (11924), 44 states have internal predecessors, (11924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:41,582 INFO L175 Difference]: Start difference. First operand has 375 places, 502 transitions, 5312 flow. Second operand 43 states and 8363 transitions. [2023-11-29 00:15:41,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 789 transitions, 10001 flow [2023-11-29 00:15:41,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 789 transitions, 9634 flow, removed 54 selfloop flow, removed 34 redundant places. [2023-11-29 00:15:41,848 INFO L231 Difference]: Finished difference. Result has 390 places, 528 transitions, 6099 flow [2023-11-29 00:15:41,849 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=4964, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=6099, PETRI_PLACES=390, PETRI_TRANSITIONS=528} [2023-11-29 00:15:41,849 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 125 predicate places. [2023-11-29 00:15:41,849 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 528 transitions, 6099 flow [2023-11-29 00:15:41,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:41,850 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:15:41,850 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] [2023-11-29 00:15:41,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 00:15:41,850 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:15:41,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:41,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1466027534, now seen corresponding path program 6 times [2023-11-29 00:15:41,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:15:41,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538963470] [2023-11-29 00:15:41,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:41,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:15:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:15:42,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:15:42,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538963470] [2023-11-29 00:15:42,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538963470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:15:42,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:15:42,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:15:42,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020163026] [2023-11-29 00:15:42,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:15:42,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:15:42,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:15:42,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:15:42,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:15:46,974 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:15:46,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 528 transitions, 6099 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:46,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:15:46,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:15:46,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:15:51,675 INFO L124 PetriNetUnfolderBase]: 3961/8734 cut-off events. [2023-11-29 00:15:51,675 INFO L125 PetriNetUnfolderBase]: For 86287/86350 co-relation queries the response was YES. [2023-11-29 00:15:51,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44922 conditions, 8734 events. 3961/8734 cut-off events. For 86287/86350 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 73610 event pairs, 166 based on Foata normal form. 70/8783 useless extension candidates. Maximal degree in co-relation 44741. Up to 3755 conditions per place. [2023-11-29 00:15:51,766 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 470 selfloop transitions, 244 changer transitions 0/863 dead transitions. [2023-11-29 00:15:51,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 863 transitions, 12193 flow [2023-11-29 00:15:51,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-29 00:15:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-29 00:15:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 7405 transitions. [2023-11-29 00:15:51,774 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7190716644008546 [2023-11-29 00:15:51,774 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 7405 transitions. [2023-11-29 00:15:51,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 7405 transitions. [2023-11-29 00:15:51,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:15:51,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 7405 transitions. [2023-11-29 00:15:51,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 194.8684210526316) internal successors, (7405), 38 states have internal predecessors, (7405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:51,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:51,791 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:51,791 INFO L175 Difference]: Start difference. First operand has 390 places, 528 transitions, 6099 flow. Second operand 38 states and 7405 transitions. [2023-11-29 00:15:51,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 863 transitions, 12193 flow [2023-11-29 00:15:52,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 863 transitions, 11834 flow, removed 58 selfloop flow, removed 31 redundant places. [2023-11-29 00:15:52,330 INFO L231 Difference]: Finished difference. Result has 409 places, 667 transitions, 9568 flow [2023-11-29 00:15:52,331 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=5768, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=9568, PETRI_PLACES=409, PETRI_TRANSITIONS=667} [2023-11-29 00:15:52,332 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 144 predicate places. [2023-11-29 00:15:52,332 INFO L495 AbstractCegarLoop]: Abstraction has has 409 places, 667 transitions, 9568 flow [2023-11-29 00:15:52,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:52,332 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:15:52,333 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] [2023-11-29 00:15:52,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 00:15:52,333 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:15:52,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:52,333 INFO L85 PathProgramCache]: Analyzing trace with hash 328151140, now seen corresponding path program 7 times [2023-11-29 00:15:52,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:15:52,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006511566] [2023-11-29 00:15:52,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:52,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:15:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:15:53,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:15:53,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006511566] [2023-11-29 00:15:53,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006511566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:15:53,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:15:53,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:15:53,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716734144] [2023-11-29 00:15:53,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:15:53,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:15:53,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:15:53,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:15:53,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:15:57,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:15:57,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 667 transitions, 9568 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:57,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:15:57,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:15:57,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:16:03,615 INFO L124 PetriNetUnfolderBase]: 4257/9090 cut-off events. [2023-11-29 00:16:03,615 INFO L125 PetriNetUnfolderBase]: For 127062/127127 co-relation queries the response was YES. [2023-11-29 00:16:03,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52527 conditions, 9090 events. 4257/9090 cut-off events. For 127062/127127 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 75518 event pairs, 845 based on Foata normal form. 76/9147 useless extension candidates. Maximal degree in co-relation 52333. Up to 4686 conditions per place. [2023-11-29 00:16:03,756 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 500 selfloop transitions, 237 changer transitions 0/886 dead transitions. [2023-11-29 00:16:03,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 886 transitions, 14295 flow [2023-11-29 00:16:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 00:16:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2023-11-29 00:16:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 6225 transitions. [2023-11-29 00:16:03,762 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7178274907749077 [2023-11-29 00:16:03,763 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 6225 transitions. [2023-11-29 00:16:03,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 6225 transitions. [2023-11-29 00:16:03,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:16:03,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 6225 transitions. [2023-11-29 00:16:03,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 194.53125) internal successors, (6225), 32 states have internal predecessors, (6225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:03,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 271.0) internal successors, (8943), 33 states have internal predecessors, (8943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:03,788 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 271.0) internal successors, (8943), 33 states have internal predecessors, (8943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:03,788 INFO L175 Difference]: Start difference. First operand has 409 places, 667 transitions, 9568 flow. Second operand 32 states and 6225 transitions. [2023-11-29 00:16:03,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 886 transitions, 14295 flow [2023-11-29 00:16:04,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 886 transitions, 13151 flow, removed 522 selfloop flow, removed 22 redundant places. [2023-11-29 00:16:04,753 INFO L231 Difference]: Finished difference. Result has 427 places, 732 transitions, 10910 flow [2023-11-29 00:16:04,753 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=8742, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=667, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=10910, PETRI_PLACES=427, PETRI_TRANSITIONS=732} [2023-11-29 00:16:04,754 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 162 predicate places. [2023-11-29 00:16:04,754 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 732 transitions, 10910 flow [2023-11-29 00:16:04,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:04,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:16:04,755 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] [2023-11-29 00:16:04,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 00:16:04,755 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:16:04,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:16:04,755 INFO L85 PathProgramCache]: Analyzing trace with hash 242321340, now seen corresponding path program 8 times [2023-11-29 00:16:04,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:16:04,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516726589] [2023-11-29 00:16:04,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:16:04,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:16:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:16:05,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:16:05,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516726589] [2023-11-29 00:16:05,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516726589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:16:05,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:16:05,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:16:05,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154624211] [2023-11-29 00:16:05,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:16:05,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:16:05,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:16:05,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:16:05,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:16:10,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:16:10,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 732 transitions, 10910 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:10,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:16:10,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:16:10,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:16:15,867 INFO L124 PetriNetUnfolderBase]: 4580/10072 cut-off events. [2023-11-29 00:16:15,868 INFO L125 PetriNetUnfolderBase]: For 149654/149731 co-relation queries the response was YES. [2023-11-29 00:16:15,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59351 conditions, 10072 events. 4580/10072 cut-off events. For 149654/149731 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 87144 event pairs, 268 based on Foata normal form. 74/10123 useless extension candidates. Maximal degree in co-relation 59151. Up to 4775 conditions per place. [2023-11-29 00:16:16,021 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 498 selfloop transitions, 319 changer transitions 0/966 dead transitions. [2023-11-29 00:16:16,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 966 transitions, 15819 flow [2023-11-29 00:16:16,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 00:16:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-29 00:16:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 7007 transitions. [2023-11-29 00:16:16,030 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7182246822468225 [2023-11-29 00:16:16,031 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 7007 transitions. [2023-11-29 00:16:16,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 7007 transitions. [2023-11-29 00:16:16,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:16:16,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 7007 transitions. [2023-11-29 00:16:16,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 194.63888888888889) internal successors, (7007), 36 states have internal predecessors, (7007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:16,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:16,046 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:16,047 INFO L175 Difference]: Start difference. First operand has 427 places, 732 transitions, 10910 flow. Second operand 36 states and 7007 transitions. [2023-11-29 00:16:16,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 966 transitions, 15819 flow [2023-11-29 00:16:17,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 966 transitions, 15433 flow, removed 127 selfloop flow, removed 20 redundant places. [2023-11-29 00:16:17,059 INFO L231 Difference]: Finished difference. Result has 452 places, 801 transitions, 13193 flow [2023-11-29 00:16:17,060 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=10628, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=252, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=13193, PETRI_PLACES=452, PETRI_TRANSITIONS=801} [2023-11-29 00:16:17,061 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 187 predicate places. [2023-11-29 00:16:17,061 INFO L495 AbstractCegarLoop]: Abstraction has has 452 places, 801 transitions, 13193 flow [2023-11-29 00:16:17,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:17,061 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:16:17,062 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] [2023-11-29 00:16:17,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 00:16:17,062 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:16:17,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:16:17,062 INFO L85 PathProgramCache]: Analyzing trace with hash 998079930, now seen corresponding path program 9 times [2023-11-29 00:16:17,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:16:17,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786656361] [2023-11-29 00:16:17,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:16:17,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:16:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:16:17,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:16:17,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786656361] [2023-11-29 00:16:17,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786656361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:16:17,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:16:17,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:16:17,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718646539] [2023-11-29 00:16:17,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:16:17,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:16:17,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:16:17,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:16:17,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:16:23,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:16:23,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 801 transitions, 13193 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:23,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:16:23,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:16:23,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:16:31,289 INFO L124 PetriNetUnfolderBase]: 5055/11111 cut-off events. [2023-11-29 00:16:31,290 INFO L125 PetriNetUnfolderBase]: For 199028/199112 co-relation queries the response was YES. [2023-11-29 00:16:31,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69832 conditions, 11111 events. 5055/11111 cut-off events. For 199028/199112 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 97607 event pairs, 250 based on Foata normal form. 84/11172 useless extension candidates. Maximal degree in co-relation 69622. Up to 5116 conditions per place. [2023-11-29 00:16:31,466 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 564 selfloop transitions, 331 changer transitions 0/1044 dead transitions. [2023-11-29 00:16:31,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 1044 transitions, 18552 flow [2023-11-29 00:16:31,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 00:16:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-29 00:16:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 7204 transitions. [2023-11-29 00:16:31,475 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7184601575745487 [2023-11-29 00:16:31,475 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 7204 transitions. [2023-11-29 00:16:31,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 7204 transitions. [2023-11-29 00:16:31,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:16:31,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 7204 transitions. [2023-11-29 00:16:31,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 194.7027027027027) internal successors, (7204), 37 states have internal predecessors, (7204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:31,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:31,500 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:31,501 INFO L175 Difference]: Start difference. First operand has 452 places, 801 transitions, 13193 flow. Second operand 37 states and 7204 transitions. [2023-11-29 00:16:31,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 1044 transitions, 18552 flow [2023-11-29 00:16:32,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 1044 transitions, 18150 flow, removed 114 selfloop flow, removed 22 redundant places. [2023-11-29 00:16:33,033 INFO L231 Difference]: Finished difference. Result has 476 places, 863 transitions, 15474 flow [2023-11-29 00:16:33,035 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=12822, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=801, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=278, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=15474, PETRI_PLACES=476, PETRI_TRANSITIONS=863} [2023-11-29 00:16:33,035 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 211 predicate places. [2023-11-29 00:16:33,036 INFO L495 AbstractCegarLoop]: Abstraction has has 476 places, 863 transitions, 15474 flow [2023-11-29 00:16:33,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:33,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:16:33,037 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] [2023-11-29 00:16:33,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 00:16:33,037 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:16:33,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:16:33,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1700242924, now seen corresponding path program 10 times [2023-11-29 00:16:33,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:16:33,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027691890] [2023-11-29 00:16:33,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:16:33,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:16:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:16:33,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:16:33,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027691890] [2023-11-29 00:16:33,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027691890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:16:33,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:16:33,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:16:33,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157460670] [2023-11-29 00:16:33,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:16:33,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:16:33,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:16:33,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:16:33,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:16:39,563 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:16:39,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 863 transitions, 15474 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:39,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:16:39,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:16:39,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:16:48,740 INFO L124 PetriNetUnfolderBase]: 5284/11567 cut-off events. [2023-11-29 00:16:48,740 INFO L125 PetriNetUnfolderBase]: For 245022/245109 co-relation queries the response was YES. [2023-11-29 00:16:48,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76672 conditions, 11567 events. 5284/11567 cut-off events. For 245022/245109 co-relation queries the response was YES. Maximal size of possible extension queue 574. Compared 102719 event pairs, 208 based on Foata normal form. 98/11646 useless extension candidates. Maximal degree in co-relation 76452. Up to 5174 conditions per place. [2023-11-29 00:16:48,990 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 545 selfloop transitions, 395 changer transitions 0/1089 dead transitions. [2023-11-29 00:16:48,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 1089 transitions, 20441 flow [2023-11-29 00:16:48,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-29 00:16:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-29 00:16:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 7406 transitions. [2023-11-29 00:16:48,996 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7191687706350748 [2023-11-29 00:16:48,996 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 7406 transitions. [2023-11-29 00:16:48,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 7406 transitions. [2023-11-29 00:16:48,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:16:48,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 7406 transitions. [2023-11-29 00:16:49,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 194.89473684210526) internal successors, (7406), 38 states have internal predecessors, (7406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:49,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:49,007 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:49,008 INFO L175 Difference]: Start difference. First operand has 476 places, 863 transitions, 15474 flow. Second operand 38 states and 7406 transitions. [2023-11-29 00:16:49,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 1089 transitions, 20441 flow [2023-11-29 00:16:50,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 1089 transitions, 20074 flow, removed 110 selfloop flow, removed 21 redundant places. [2023-11-29 00:16:51,034 INFO L231 Difference]: Finished difference. Result has 499 places, 903 transitions, 17263 flow [2023-11-29 00:16:51,035 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=15107, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=357, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=17263, PETRI_PLACES=499, PETRI_TRANSITIONS=903} [2023-11-29 00:16:51,036 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 234 predicate places. [2023-11-29 00:16:51,036 INFO L495 AbstractCegarLoop]: Abstraction has has 499 places, 903 transitions, 17263 flow [2023-11-29 00:16:51,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:51,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:16:51,037 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] [2023-11-29 00:16:51,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 00:16:51,037 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:16:51,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:16:51,038 INFO L85 PathProgramCache]: Analyzing trace with hash -678779420, now seen corresponding path program 11 times [2023-11-29 00:16:51,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:16:51,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799907880] [2023-11-29 00:16:51,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:16:51,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:16:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:16:51,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:16:51,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799907880] [2023-11-29 00:16:51,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799907880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:16:51,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:16:51,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:16:51,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472136714] [2023-11-29 00:16:51,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:16:51,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:16:51,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:16:51,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:16:51,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:16:56,784 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:16:56,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 499 places, 903 transitions, 17263 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:56,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:16:56,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:16:56,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:17:03,911 INFO L124 PetriNetUnfolderBase]: 5629/12415 cut-off events. [2023-11-29 00:17:03,911 INFO L125 PetriNetUnfolderBase]: For 302125/302217 co-relation queries the response was YES. [2023-11-29 00:17:04,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85842 conditions, 12415 events. 5629/12415 cut-off events. For 302125/302217 co-relation queries the response was YES. Maximal size of possible extension queue 621. Compared 112092 event pairs, 451 based on Foata normal form. 85/12472 useless extension candidates. Maximal degree in co-relation 85615. Up to 6059 conditions per place. [2023-11-29 00:17:04,108 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 632 selfloop transitions, 361 changer transitions 0/1142 dead transitions. [2023-11-29 00:17:04,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 1142 transitions, 23179 flow [2023-11-29 00:17:04,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 00:17:04,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-29 00:17:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 7001 transitions. [2023-11-29 00:17:04,116 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.717609676096761 [2023-11-29 00:17:04,116 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 7001 transitions. [2023-11-29 00:17:04,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 7001 transitions. [2023-11-29 00:17:04,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:17:04,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 7001 transitions. [2023-11-29 00:17:04,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 194.47222222222223) internal successors, (7001), 36 states have internal predecessors, (7001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:04,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:04,134 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:04,135 INFO L175 Difference]: Start difference. First operand has 499 places, 903 transitions, 17263 flow. Second operand 36 states and 7001 transitions. [2023-11-29 00:17:04,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 1142 transitions, 23179 flow [2023-11-29 00:17:06,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 1142 transitions, 22650 flow, removed 107 selfloop flow, removed 25 redundant places. [2023-11-29 00:17:06,737 INFO L231 Difference]: Finished difference. Result has 518 places, 971 transitions, 20041 flow [2023-11-29 00:17:06,738 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=16786, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=903, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=295, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=20041, PETRI_PLACES=518, PETRI_TRANSITIONS=971} [2023-11-29 00:17:06,739 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 253 predicate places. [2023-11-29 00:17:06,739 INFO L495 AbstractCegarLoop]: Abstraction has has 518 places, 971 transitions, 20041 flow [2023-11-29 00:17:06,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:06,739 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:17:06,740 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] [2023-11-29 00:17:06,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 00:17:06,740 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:17:06,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:17:06,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1663510882, now seen corresponding path program 12 times [2023-11-29 00:17:06,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:17:06,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889018809] [2023-11-29 00:17:06,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:17:06,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:17:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:17:07,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:17:07,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889018809] [2023-11-29 00:17:07,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889018809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:17:07,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:17:07,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:17:07,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552845463] [2023-11-29 00:17:07,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:17:07,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:17:07,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:17:07,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:17:07,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:17:12,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:17:12,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 971 transitions, 20041 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:12,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:17:12,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:17:12,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:17:20,841 INFO L124 PetriNetUnfolderBase]: 5809/12755 cut-off events. [2023-11-29 00:17:20,842 INFO L125 PetriNetUnfolderBase]: For 361297/361407 co-relation queries the response was YES. [2023-11-29 00:17:21,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92688 conditions, 12755 events. 5809/12755 cut-off events. For 361297/361407 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 116493 event pairs, 638 based on Foata normal form. 94/12825 useless extension candidates. Maximal degree in co-relation 92452. Up to 6380 conditions per place. [2023-11-29 00:17:21,155 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 628 selfloop transitions, 389 changer transitions 0/1166 dead transitions. [2023-11-29 00:17:21,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 1166 transitions, 25093 flow [2023-11-29 00:17:21,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 00:17:21,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-29 00:17:21,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6811 transitions. [2023-11-29 00:17:21,164 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7180811808118082 [2023-11-29 00:17:21,165 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6811 transitions. [2023-11-29 00:17:21,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6811 transitions. [2023-11-29 00:17:21,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:17:21,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6811 transitions. [2023-11-29 00:17:21,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 194.6) internal successors, (6811), 35 states have internal predecessors, (6811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:21,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:21,186 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:21,186 INFO L175 Difference]: Start difference. First operand has 518 places, 971 transitions, 20041 flow. Second operand 35 states and 6811 transitions. [2023-11-29 00:17:21,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 1166 transitions, 25093 flow [2023-11-29 00:17:24,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 1166 transitions, 24686 flow, removed 100 selfloop flow, removed 24 redundant places. [2023-11-29 00:17:24,123 INFO L231 Difference]: Finished difference. Result has 536 places, 1008 transitions, 22186 flow [2023-11-29 00:17:24,124 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=19639, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=971, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=354, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=22186, PETRI_PLACES=536, PETRI_TRANSITIONS=1008} [2023-11-29 00:17:24,124 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 271 predicate places. [2023-11-29 00:17:24,124 INFO L495 AbstractCegarLoop]: Abstraction has has 536 places, 1008 transitions, 22186 flow [2023-11-29 00:17:24,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:24,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:17:24,125 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] [2023-11-29 00:17:24,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 00:17:24,125 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:17:24,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:17:24,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1864324536, now seen corresponding path program 13 times [2023-11-29 00:17:24,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:17:24,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63692956] [2023-11-29 00:17:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:17:24,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:17:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:17:24,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:17:24,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63692956] [2023-11-29 00:17:24,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63692956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:17:24,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:17:24,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:17:24,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60392244] [2023-11-29 00:17:24,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:17:24,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:17:24,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:17:24,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:17:24,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:17:30,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:17:30,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 1008 transitions, 22186 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:30,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:17:30,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:17:30,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:17:38,854 INFO L124 PetriNetUnfolderBase]: 5836/12923 cut-off events. [2023-11-29 00:17:38,854 INFO L125 PetriNetUnfolderBase]: For 409531/409624 co-relation queries the response was YES. [2023-11-29 00:17:39,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97190 conditions, 12923 events. 5836/12923 cut-off events. For 409531/409624 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 118613 event pairs, 214 based on Foata normal form. 100/13002 useless extension candidates. Maximal degree in co-relation 96946. Up to 5993 conditions per place. [2023-11-29 00:17:39,152 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 588 selfloop transitions, 460 changer transitions 0/1197 dead transitions. [2023-11-29 00:17:39,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 1197 transitions, 26779 flow [2023-11-29 00:17:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-29 00:17:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2023-11-29 00:17:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 7397 transitions. [2023-11-29 00:17:39,157 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7182948145270927 [2023-11-29 00:17:39,157 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 7397 transitions. [2023-11-29 00:17:39,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 7397 transitions. [2023-11-29 00:17:39,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:17:39,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 7397 transitions. [2023-11-29 00:17:39,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 194.6578947368421) internal successors, (7397), 38 states have internal predecessors, (7397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:39,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:39,171 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 271.0) internal successors, (10569), 39 states have internal predecessors, (10569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:39,171 INFO L175 Difference]: Start difference. First operand has 536 places, 1008 transitions, 22186 flow. Second operand 38 states and 7397 transitions. [2023-11-29 00:17:39,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 1197 transitions, 26779 flow [2023-11-29 00:17:42,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 1197 transitions, 26326 flow, removed 128 selfloop flow, removed 22 redundant places. [2023-11-29 00:17:42,893 INFO L231 Difference]: Finished difference. Result has 555 places, 1028 transitions, 23571 flow [2023-11-29 00:17:42,894 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=21773, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=442, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=23571, PETRI_PLACES=555, PETRI_TRANSITIONS=1028} [2023-11-29 00:17:42,894 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 290 predicate places. [2023-11-29 00:17:42,894 INFO L495 AbstractCegarLoop]: Abstraction has has 555 places, 1028 transitions, 23571 flow [2023-11-29 00:17:42,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:42,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:17:42,895 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] [2023-11-29 00:17:42,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 00:17:42,895 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:17:42,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:17:42,896 INFO L85 PathProgramCache]: Analyzing trace with hash -2080545848, now seen corresponding path program 14 times [2023-11-29 00:17:42,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:17:42,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669321984] [2023-11-29 00:17:42,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:17:42,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:17:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:17:43,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:17:43,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:17:43,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669321984] [2023-11-29 00:17:43,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669321984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:17:43,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:17:43,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:17:43,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383837639] [2023-11-29 00:17:43,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:17:43,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:17:43,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:17:43,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:17:43,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:17:48,624 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:17:48,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 1028 transitions, 23571 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:48,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:17:48,627 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:17:48,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:17:56,562 INFO L124 PetriNetUnfolderBase]: 5863/13114 cut-off events. [2023-11-29 00:17:56,562 INFO L125 PetriNetUnfolderBase]: For 449254/449355 co-relation queries the response was YES. [2023-11-29 00:17:56,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100828 conditions, 13114 events. 5863/13114 cut-off events. For 449254/449355 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 121301 event pairs, 395 based on Foata normal form. 105/13192 useless extension candidates. Maximal degree in co-relation 100580. Up to 6239 conditions per place. [2023-11-29 00:17:56,847 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 650 selfloop transitions, 415 changer transitions 0/1214 dead transitions. [2023-11-29 00:17:56,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 1214 transitions, 28262 flow [2023-11-29 00:17:56,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-29 00:17:56,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-29 00:17:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 7201 transitions. [2023-11-29 00:17:56,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7181609653934378 [2023-11-29 00:17:56,853 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 7201 transitions. [2023-11-29 00:17:56,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 7201 transitions. [2023-11-29 00:17:56,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:17:56,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 7201 transitions. [2023-11-29 00:17:56,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 194.6216216216216) internal successors, (7201), 37 states have internal predecessors, (7201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:56,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:56,868 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 271.0) internal successors, (10298), 38 states have internal predecessors, (10298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:17:56,869 INFO L175 Difference]: Start difference. First operand has 555 places, 1028 transitions, 23571 flow. Second operand 37 states and 7201 transitions. [2023-11-29 00:17:56,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 1214 transitions, 28262 flow [2023-11-29 00:18:00,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 1214 transitions, 27561 flow, removed 180 selfloop flow, removed 29 redundant places. [2023-11-29 00:18:00,366 INFO L231 Difference]: Finished difference. Result has 566 places, 1048 transitions, 24685 flow [2023-11-29 00:18:00,366 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=22902, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1028, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=397, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=622, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=24685, PETRI_PLACES=566, PETRI_TRANSITIONS=1048} [2023-11-29 00:18:00,367 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 301 predicate places. [2023-11-29 00:18:00,367 INFO L495 AbstractCegarLoop]: Abstraction has has 566 places, 1048 transitions, 24685 flow [2023-11-29 00:18:00,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:00,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:18:00,367 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] [2023-11-29 00:18:00,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 00:18:00,368 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:18:00,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:18:00,368 INFO L85 PathProgramCache]: Analyzing trace with hash -556151208, now seen corresponding path program 15 times [2023-11-29 00:18:00,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:18:00,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48755027] [2023-11-29 00:18:00,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:18:00,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:18:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:18:01,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:18:01,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48755027] [2023-11-29 00:18:01,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48755027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:18:01,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:18:01,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:18:01,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764960141] [2023-11-29 00:18:01,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:18:01,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:18:01,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:18:01,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:18:01,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:18:05,004 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:18:05,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 1048 transitions, 24685 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:05,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:18:05,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:18:05,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:18:13,924 INFO L124 PetriNetUnfolderBase]: 6788/14835 cut-off events. [2023-11-29 00:18:13,925 INFO L125 PetriNetUnfolderBase]: For 577013/577132 co-relation queries the response was YES. [2023-11-29 00:18:14,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119263 conditions, 14835 events. 6788/14835 cut-off events. For 577013/577132 co-relation queries the response was YES. Maximal size of possible extension queue 758. Compared 139478 event pairs, 136 based on Foata normal form. 126/14940 useless extension candidates. Maximal degree in co-relation 119011. Up to 5722 conditions per place. [2023-11-29 00:18:14,279 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 574 selfloop transitions, 653 changer transitions 0/1376 dead transitions. [2023-11-29 00:18:14,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 1376 transitions, 33505 flow [2023-11-29 00:18:14,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 00:18:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-29 00:18:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 7029 transitions. [2023-11-29 00:18:14,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7204797047970479 [2023-11-29 00:18:14,286 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 7029 transitions. [2023-11-29 00:18:14,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 7029 transitions. [2023-11-29 00:18:14,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:18:14,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 7029 transitions. [2023-11-29 00:18:14,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 195.25) internal successors, (7029), 36 states have internal predecessors, (7029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:14,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:14,303 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:14,303 INFO L175 Difference]: Start difference. First operand has 566 places, 1048 transitions, 24685 flow. Second operand 36 states and 7029 transitions. [2023-11-29 00:18:14,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 1376 transitions, 33505 flow [2023-11-29 00:18:19,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 573 places, 1376 transitions, 33082 flow, removed 62 selfloop flow, removed 28 redundant places. [2023-11-29 00:18:19,369 INFO L231 Difference]: Finished difference. Result has 590 places, 1194 transitions, 31236 flow [2023-11-29 00:18:19,370 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=24284, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=527, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=31236, PETRI_PLACES=590, PETRI_TRANSITIONS=1194} [2023-11-29 00:18:19,370 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 325 predicate places. [2023-11-29 00:18:19,370 INFO L495 AbstractCegarLoop]: Abstraction has has 590 places, 1194 transitions, 31236 flow [2023-11-29 00:18:19,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:19,370 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:18:19,371 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] [2023-11-29 00:18:19,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 00:18:19,371 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:18:19,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:18:19,371 INFO L85 PathProgramCache]: Analyzing trace with hash 337805552, now seen corresponding path program 16 times [2023-11-29 00:18:19,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:18:19,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441669878] [2023-11-29 00:18:19,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:18:19,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:18:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:18:20,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:18:20,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441669878] [2023-11-29 00:18:20,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441669878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:18:20,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:18:20,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:18:20,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084502181] [2023-11-29 00:18:20,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:18:20,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:18:20,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:18:20,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:18:20,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:18:24,263 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:18:24,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 1194 transitions, 31236 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:24,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:18:24,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:18:24,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:18:34,726 INFO L124 PetriNetUnfolderBase]: 7062/15611 cut-off events. [2023-11-29 00:18:34,726 INFO L125 PetriNetUnfolderBase]: For 731573/731692 co-relation queries the response was YES. [2023-11-29 00:18:34,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133527 conditions, 15611 events. 7062/15611 cut-off events. For 731573/731692 co-relation queries the response was YES. Maximal size of possible extension queue 797. Compared 149542 event pairs, 100 based on Foata normal form. 122/15709 useless extension candidates. Maximal degree in co-relation 133258. Up to 6401 conditions per place. [2023-11-29 00:18:35,024 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 576 selfloop transitions, 688 changer transitions 0/1413 dead transitions. [2023-11-29 00:18:35,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 618 places, 1413 transitions, 38257 flow [2023-11-29 00:18:35,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-29 00:18:35,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2023-11-29 00:18:35,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 5671 transitions. [2023-11-29 00:18:35,028 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7215930779997455 [2023-11-29 00:18:35,028 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 5671 transitions. [2023-11-29 00:18:35,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 5671 transitions. [2023-11-29 00:18:35,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:18:35,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 5671 transitions. [2023-11-29 00:18:35,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 195.55172413793105) internal successors, (5671), 29 states have internal predecessors, (5671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:35,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 271.0) internal successors, (8130), 30 states have internal predecessors, (8130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:35,036 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 271.0) internal successors, (8130), 30 states have internal predecessors, (8130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:35,036 INFO L175 Difference]: Start difference. First operand has 590 places, 1194 transitions, 31236 flow. Second operand 29 states and 5671 transitions. [2023-11-29 00:18:35,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 618 places, 1413 transitions, 38257 flow [2023-11-29 00:18:41,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 601 places, 1413 transitions, 37185 flow, removed 499 selfloop flow, removed 17 redundant places. [2023-11-29 00:18:41,151 INFO L231 Difference]: Finished difference. Result has 611 places, 1262 transitions, 35518 flow [2023-11-29 00:18:41,152 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=30344, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=620, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=35518, PETRI_PLACES=611, PETRI_TRANSITIONS=1262} [2023-11-29 00:18:41,153 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 346 predicate places. [2023-11-29 00:18:41,153 INFO L495 AbstractCegarLoop]: Abstraction has has 611 places, 1262 transitions, 35518 flow [2023-11-29 00:18:41,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:41,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:18:41,154 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] [2023-11-29 00:18:41,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 00:18:41,154 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:18:41,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:18:41,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1302776092, now seen corresponding path program 17 times [2023-11-29 00:18:41,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:18:41,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374719890] [2023-11-29 00:18:41,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:18:41,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:18:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:18:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:18:42,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:18:42,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374719890] [2023-11-29 00:18:42,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374719890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:18:42,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:18:42,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:18:42,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930374693] [2023-11-29 00:18:42,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:18:42,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:18:42,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:18:42,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:18:42,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:18:46,733 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:18:46,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 1262 transitions, 35518 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:46,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:18:46,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:18:46,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:18:58,262 INFO L124 PetriNetUnfolderBase]: 7586/16676 cut-off events. [2023-11-29 00:18:58,262 INFO L125 PetriNetUnfolderBase]: For 833218/833347 co-relation queries the response was YES. [2023-11-29 00:18:58,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148415 conditions, 16676 events. 7586/16676 cut-off events. For 833218/833347 co-relation queries the response was YES. Maximal size of possible extension queue 852. Compared 160532 event pairs, 238 based on Foata normal form. 128/16777 useless extension candidates. Maximal degree in co-relation 148136. Up to 6526 conditions per place. [2023-11-29 00:18:58,592 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 595 selfloop transitions, 762 changer transitions 0/1506 dead transitions. [2023-11-29 00:18:58,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 1506 transitions, 42880 flow [2023-11-29 00:18:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 00:18:58,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-29 00:18:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 7030 transitions. [2023-11-29 00:18:58,596 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7205822058220582 [2023-11-29 00:18:58,596 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 7030 transitions. [2023-11-29 00:18:58,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 7030 transitions. [2023-11-29 00:18:58,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:18:58,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 7030 transitions. [2023-11-29 00:18:58,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 195.27777777777777) internal successors, (7030), 36 states have internal predecessors, (7030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:58,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:58,606 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:18:58,606 INFO L175 Difference]: Start difference. First operand has 611 places, 1262 transitions, 35518 flow. Second operand 36 states and 7030 transitions. [2023-11-29 00:18:58,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 1506 transitions, 42880 flow [2023-11-29 00:19:06,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 1506 transitions, 42692 flow, removed 57 selfloop flow, removed 17 redundant places. [2023-11-29 00:19:06,500 INFO L231 Difference]: Finished difference. Result has 639 places, 1336 transitions, 40068 flow [2023-11-29 00:19:06,501 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=35374, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=693, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=40068, PETRI_PLACES=639, PETRI_TRANSITIONS=1336} [2023-11-29 00:19:06,501 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 374 predicate places. [2023-11-29 00:19:06,501 INFO L495 AbstractCegarLoop]: Abstraction has has 639 places, 1336 transitions, 40068 flow [2023-11-29 00:19:06,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:19:06,502 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:19:06,502 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] [2023-11-29 00:19:06,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 00:19:06,502 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:19:06,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:19:06,502 INFO L85 PathProgramCache]: Analyzing trace with hash -20484140, now seen corresponding path program 18 times [2023-11-29 00:19:06,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:19:06,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395386458] [2023-11-29 00:19:06,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:19:06,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:19:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:19:07,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:19:07,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395386458] [2023-11-29 00:19:07,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395386458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:19:07,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:19:07,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:19:07,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292213862] [2023-11-29 00:19:07,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:19:07,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:19:07,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:19:07,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:19:07,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:19:11,428 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:19:11,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 1336 transitions, 40068 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:19:11,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:19:11,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:19:11,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:19:23,643 INFO L124 PetriNetUnfolderBase]: 8248/18064 cut-off events. [2023-11-29 00:19:23,643 INFO L125 PetriNetUnfolderBase]: For 1025078/1025221 co-relation queries the response was YES. [2023-11-29 00:19:23,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170095 conditions, 18064 events. 8248/18064 cut-off events. For 1025078/1025221 co-relation queries the response was YES. Maximal size of possible extension queue 935. Compared 176154 event pairs, 310 based on Foata normal form. 136/18174 useless extension candidates. Maximal degree in co-relation 169806. Up to 7074 conditions per place. [2023-11-29 00:19:24,024 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 622 selfloop transitions, 849 changer transitions 0/1620 dead transitions. [2023-11-29 00:19:24,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 1620 transitions, 49513 flow [2023-11-29 00:19:24,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 00:19:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-29 00:19:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6836 transitions. [2023-11-29 00:19:24,028 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7207169214549288 [2023-11-29 00:19:24,028 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6836 transitions. [2023-11-29 00:19:24,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6836 transitions. [2023-11-29 00:19:24,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:19:24,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6836 transitions. [2023-11-29 00:19:24,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 195.31428571428572) internal successors, (6836), 35 states have internal predecessors, (6836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:19:24,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:19:24,037 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:19:24,037 INFO L175 Difference]: Start difference. First operand has 639 places, 1336 transitions, 40068 flow. Second operand 35 states and 6836 transitions. [2023-11-29 00:19:24,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 1620 transitions, 49513 flow [2023-11-29 00:19:34,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 1620 transitions, 48838 flow, removed 253 selfloop flow, removed 21 redundant places. [2023-11-29 00:19:34,735 INFO L231 Difference]: Finished difference. Result has 666 places, 1451 transitions, 46434 flow [2023-11-29 00:19:34,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=39460, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=742, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=46434, PETRI_PLACES=666, PETRI_TRANSITIONS=1451} [2023-11-29 00:19:34,736 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 401 predicate places. [2023-11-29 00:19:34,736 INFO L495 AbstractCegarLoop]: Abstraction has has 666 places, 1451 transitions, 46434 flow [2023-11-29 00:19:34,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:19:34,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:19:34,737 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] [2023-11-29 00:19:34,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 00:19:34,737 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:19:34,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:19:34,737 INFO L85 PathProgramCache]: Analyzing trace with hash -509591254, now seen corresponding path program 19 times [2023-11-29 00:19:34,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:19:34,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334664908] [2023-11-29 00:19:34,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:19:34,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:19:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:19:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:19:35,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:19:35,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334664908] [2023-11-29 00:19:35,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334664908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:19:35,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:19:35,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:19:35,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828968962] [2023-11-29 00:19:35,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:19:35,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:19:35,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:19:35,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:19:35,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:19:39,639 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:19:39,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 1451 transitions, 46434 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:19:39,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:19:39,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:19:39,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:19:52,715 INFO L124 PetriNetUnfolderBase]: 8544/18712 cut-off events. [2023-11-29 00:19:52,715 INFO L125 PetriNetUnfolderBase]: For 1178990/1179139 co-relation queries the response was YES. [2023-11-29 00:19:53,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183895 conditions, 18712 events. 8544/18712 cut-off events. For 1178990/1179139 co-relation queries the response was YES. Maximal size of possible extension queue 976. Compared 183792 event pairs, 376 based on Foata normal form. 136/18821 useless extension candidates. Maximal degree in co-relation 183592. Up to 7673 conditions per place. [2023-11-29 00:19:53,151 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 638 selfloop transitions, 873 changer transitions 0/1660 dead transitions. [2023-11-29 00:19:53,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 1660 transitions, 54126 flow [2023-11-29 00:19:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-29 00:19:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-11-29 00:19:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5854 transitions. [2023-11-29 00:19:53,155 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7200492004920049 [2023-11-29 00:19:53,155 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5854 transitions. [2023-11-29 00:19:53,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5854 transitions. [2023-11-29 00:19:53,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:19:53,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5854 transitions. [2023-11-29 00:19:53,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 195.13333333333333) internal successors, (5854), 30 states have internal predecessors, (5854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:19:53,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 271.0) internal successors, (8401), 31 states have internal predecessors, (8401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:19:53,163 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 271.0) internal successors, (8401), 31 states have internal predecessors, (8401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:19:53,163 INFO L175 Difference]: Start difference. First operand has 666 places, 1451 transitions, 46434 flow. Second operand 30 states and 5854 transitions. [2023-11-29 00:19:53,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 1660 transitions, 54126 flow [2023-11-29 00:20:05,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 677 places, 1660 transitions, 53614 flow, removed 189 selfloop flow, removed 18 redundant places. [2023-11-29 00:20:05,184 INFO L231 Difference]: Finished difference. Result has 687 places, 1521 transitions, 52181 flow [2023-11-29 00:20:05,185 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=45927, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=804, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=52181, PETRI_PLACES=687, PETRI_TRANSITIONS=1521} [2023-11-29 00:20:05,186 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 422 predicate places. [2023-11-29 00:20:05,186 INFO L495 AbstractCegarLoop]: Abstraction has has 687 places, 1521 transitions, 52181 flow [2023-11-29 00:20:05,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:20:05,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:20:05,186 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] [2023-11-29 00:20:05,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 00:20:05,187 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:20:05,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:20:05,187 INFO L85 PathProgramCache]: Analyzing trace with hash 606986132, now seen corresponding path program 20 times [2023-11-29 00:20:05,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:20:05,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483327382] [2023-11-29 00:20:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:20:05,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:20:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:05,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:20:05,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:20:05,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483327382] [2023-11-29 00:20:05,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483327382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:20:05,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:20:05,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:20:05,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720245210] [2023-11-29 00:20:05,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:20:05,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:20:05,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:20:05,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:20:05,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:20:10,809 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:20:10,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 687 places, 1521 transitions, 52181 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:20:10,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:20:10,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:20:10,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:20:26,276 INFO L124 PetriNetUnfolderBase]: 8878/19501 cut-off events. [2023-11-29 00:20:26,276 INFO L125 PetriNetUnfolderBase]: For 1392362/1392509 co-relation queries the response was YES. [2023-11-29 00:20:26,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199999 conditions, 19501 events. 8878/19501 cut-off events. For 1392362/1392509 co-relation queries the response was YES. Maximal size of possible extension queue 1023. Compared 193997 event pairs, 160 based on Foata normal form. 138/19616 useless extension candidates. Maximal degree in co-relation 199686. Up to 7887 conditions per place. [2023-11-29 00:20:26,763 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 689 selfloop transitions, 933 changer transitions 0/1771 dead transitions. [2023-11-29 00:20:26,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 1771 transitions, 61419 flow [2023-11-29 00:20:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 00:20:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2023-11-29 00:20:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 6252 transitions. [2023-11-29 00:20:26,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7209409594095941 [2023-11-29 00:20:26,768 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 6252 transitions. [2023-11-29 00:20:26,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 6252 transitions. [2023-11-29 00:20:26,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:20:26,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 6252 transitions. [2023-11-29 00:20:26,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 195.375) internal successors, (6252), 32 states have internal predecessors, (6252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:20:26,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 271.0) internal successors, (8943), 33 states have internal predecessors, (8943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:20:26,776 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 271.0) internal successors, (8943), 33 states have internal predecessors, (8943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:20:26,776 INFO L175 Difference]: Start difference. First operand has 687 places, 1521 transitions, 52181 flow. Second operand 32 states and 6252 transitions. [2023-11-29 00:20:26,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 1771 transitions, 61419 flow [2023-11-29 00:20:42,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 1771 transitions, 61071 flow, removed 137 selfloop flow, removed 17 redundant places. [2023-11-29 00:20:42,673 INFO L231 Difference]: Finished difference. Result has 712 places, 1604 transitions, 59170 flow [2023-11-29 00:20:42,675 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=51833, PETRI_DIFFERENCE_MINUEND_PLACES=670, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=851, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=641, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=59170, PETRI_PLACES=712, PETRI_TRANSITIONS=1604} [2023-11-29 00:20:42,675 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 447 predicate places. [2023-11-29 00:20:42,675 INFO L495 AbstractCegarLoop]: Abstraction has has 712 places, 1604 transitions, 59170 flow [2023-11-29 00:20:42,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:20:42,676 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:20:42,676 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] [2023-11-29 00:20:42,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 00:20:42,676 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:20:42,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:20:42,676 INFO L85 PathProgramCache]: Analyzing trace with hash -56575276, now seen corresponding path program 21 times [2023-11-29 00:20:42,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:20:42,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478101201] [2023-11-29 00:20:42,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:20:42,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:20:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:20:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:20:43,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:20:43,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478101201] [2023-11-29 00:20:43,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478101201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:20:43,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:20:43,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:20:43,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646831421] [2023-11-29 00:20:43,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:20:43,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:20:43,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:20:43,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:20:43,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:20:48,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:20:48,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 712 places, 1604 transitions, 59170 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:20:48,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:20:48,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:20:48,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:21:05,205 INFO L124 PetriNetUnfolderBase]: 9151/20112 cut-off events. [2023-11-29 00:21:05,205 INFO L125 PetriNetUnfolderBase]: For 1574227/1574550 co-relation queries the response was YES. [2023-11-29 00:21:05,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214110 conditions, 20112 events. 9151/20112 cut-off events. For 1574227/1574550 co-relation queries the response was YES. Maximal size of possible extension queue 1057. Compared 202328 event pairs, 1419 based on Foata normal form. 112/20054 useless extension candidates. Maximal degree in co-relation 213786. Up to 8055 conditions per place. [2023-11-29 00:21:05,798 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 663 selfloop transitions, 1003 changer transitions 0/1815 dead transitions. [2023-11-29 00:21:05,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 1815 transitions, 66824 flow [2023-11-29 00:21:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 00:21:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-29 00:21:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6833 transitions. [2023-11-29 00:21:05,805 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7204006325777543 [2023-11-29 00:21:05,806 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6833 transitions. [2023-11-29 00:21:05,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6833 transitions. [2023-11-29 00:21:05,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:21:05,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6833 transitions. [2023-11-29 00:21:05,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 195.22857142857143) internal successors, (6833), 35 states have internal predecessors, (6833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:21:05,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:21:05,932 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:21:05,932 INFO L175 Difference]: Start difference. First operand has 712 places, 1604 transitions, 59170 flow. Second operand 35 states and 6833 transitions. [2023-11-29 00:21:05,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 1815 transitions, 66824 flow [2023-11-29 00:21:20,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 726 places, 1815 transitions, 66228 flow, removed 123 selfloop flow, removed 20 redundant places. [2023-11-29 00:21:20,827 INFO L231 Difference]: Finished difference. Result has 736 places, 1659 transitions, 64856 flow [2023-11-29 00:21:20,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=58593, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=952, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=64856, PETRI_PLACES=736, PETRI_TRANSITIONS=1659} [2023-11-29 00:21:20,829 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 471 predicate places. [2023-11-29 00:21:20,829 INFO L495 AbstractCegarLoop]: Abstraction has has 736 places, 1659 transitions, 64856 flow [2023-11-29 00:21:20,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:21:20,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:21:20,829 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] [2023-11-29 00:21:20,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 00:21:20,830 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:21:20,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:21:20,830 INFO L85 PathProgramCache]: Analyzing trace with hash 543351958, now seen corresponding path program 22 times [2023-11-29 00:21:20,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:21:20,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811100529] [2023-11-29 00:21:20,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:21:20,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:21:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:21:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:21:21,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:21:21,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811100529] [2023-11-29 00:21:21,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811100529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:21:21,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:21:21,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:21:21,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401291542] [2023-11-29 00:21:21,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:21:21,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:21:21,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:21:21,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:21:21,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:21:26,718 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:21:26,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 736 places, 1659 transitions, 64856 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:21:26,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:21:26,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:21:26,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:21:44,082 INFO L124 PetriNetUnfolderBase]: 9331/20569 cut-off events. [2023-11-29 00:21:44,082 INFO L125 PetriNetUnfolderBase]: For 1791521/1791674 co-relation queries the response was YES. [2023-11-29 00:21:44,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227446 conditions, 20569 events. 9331/20569 cut-off events. For 1791521/1791674 co-relation queries the response was YES. Maximal size of possible extension queue 1080. Compared 206659 event pairs, 220 based on Foata normal form. 140/20683 useless extension candidates. Maximal degree in co-relation 227112. Up to 8178 conditions per place. [2023-11-29 00:21:44,652 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 722 selfloop transitions, 986 changer transitions 0/1857 dead transitions. [2023-11-29 00:21:44,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 769 places, 1857 transitions, 71650 flow [2023-11-29 00:21:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 00:21:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-29 00:21:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 6640 transitions. [2023-11-29 00:21:44,656 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7206425005426524 [2023-11-29 00:21:44,657 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 6640 transitions. [2023-11-29 00:21:44,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 6640 transitions. [2023-11-29 00:21:44,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:21:44,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 6640 transitions. [2023-11-29 00:21:44,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 195.2941176470588) internal successors, (6640), 34 states have internal predecessors, (6640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:21:44,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:21:44,665 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:21:44,665 INFO L175 Difference]: Start difference. First operand has 736 places, 1659 transitions, 64856 flow. Second operand 34 states and 6640 transitions. [2023-11-29 00:21:44,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 769 places, 1857 transitions, 71650 flow [2023-11-29 00:22:03,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 750 places, 1857 transitions, 71040 flow, removed 232 selfloop flow, removed 19 redundant places. [2023-11-29 00:22:03,985 INFO L231 Difference]: Finished difference. Result has 756 places, 1682 transitions, 68966 flow [2023-11-29 00:22:03,987 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=64247, PETRI_DIFFERENCE_MINUEND_PLACES=717, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=965, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=68966, PETRI_PLACES=756, PETRI_TRANSITIONS=1682} [2023-11-29 00:22:03,987 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 491 predicate places. [2023-11-29 00:22:03,988 INFO L495 AbstractCegarLoop]: Abstraction has has 756 places, 1682 transitions, 68966 flow [2023-11-29 00:22:03,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:03,988 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:22:03,988 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] [2023-11-29 00:22:03,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 00:22:03,989 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:22:03,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:03,989 INFO L85 PathProgramCache]: Analyzing trace with hash -303561088, now seen corresponding path program 23 times [2023-11-29 00:22:03,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:03,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266863741] [2023-11-29 00:22:03,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:03,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:22:04,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:22:04,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266863741] [2023-11-29 00:22:04,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266863741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:22:04,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:22:04,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:22:04,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21650676] [2023-11-29 00:22:04,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:22:04,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:22:04,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:22:04,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:22:04,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:22:09,506 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:22:09,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 756 places, 1682 transitions, 68966 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:09,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:22:09,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:22:09,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:22:27,757 INFO L124 PetriNetUnfolderBase]: 9452/20871 cut-off events. [2023-11-29 00:22:27,757 INFO L125 PetriNetUnfolderBase]: For 1930178/1930527 co-relation queries the response was YES. [2023-11-29 00:22:28,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237611 conditions, 20871 events. 9452/20871 cut-off events. For 1930178/1930527 co-relation queries the response was YES. Maximal size of possible extension queue 1095. Compared 212407 event pairs, 1470 based on Foata normal form. 124/20804 useless extension candidates. Maximal degree in co-relation 237271. Up to 8464 conditions per place. [2023-11-29 00:22:28,380 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 719 selfloop transitions, 1027 changer transitions 0/1895 dead transitions. [2023-11-29 00:22:28,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 789 places, 1895 transitions, 77424 flow [2023-11-29 00:22:28,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 00:22:28,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-29 00:22:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 6637 transitions. [2023-11-29 00:22:28,385 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7203169090514434 [2023-11-29 00:22:28,385 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 6637 transitions. [2023-11-29 00:22:28,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 6637 transitions. [2023-11-29 00:22:28,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:22:28,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 6637 transitions. [2023-11-29 00:22:28,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 195.2058823529412) internal successors, (6637), 34 states have internal predecessors, (6637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:28,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:28,394 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:28,394 INFO L175 Difference]: Start difference. First operand has 756 places, 1682 transitions, 68966 flow. Second operand 34 states and 6637 transitions. [2023-11-29 00:22:28,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 789 places, 1895 transitions, 77424 flow [2023-11-29 00:22:47,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 766 places, 1895 transitions, 76757 flow, removed 179 selfloop flow, removed 23 redundant places. [2023-11-29 00:22:47,261 INFO L231 Difference]: Finished difference. Result has 773 places, 1744 transitions, 74726 flow [2023-11-29 00:22:47,262 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=68354, PETRI_DIFFERENCE_MINUEND_PLACES=733, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1682, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=971, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=687, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=74726, PETRI_PLACES=773, PETRI_TRANSITIONS=1744} [2023-11-29 00:22:47,263 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 508 predicate places. [2023-11-29 00:22:47,263 INFO L495 AbstractCegarLoop]: Abstraction has has 773 places, 1744 transitions, 74726 flow [2023-11-29 00:22:47,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:47,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:22:47,263 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] [2023-11-29 00:22:47,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 00:22:47,264 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:22:47,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:22:47,264 INFO L85 PathProgramCache]: Analyzing trace with hash 797128392, now seen corresponding path program 24 times [2023-11-29 00:22:47,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:22:47,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147493911] [2023-11-29 00:22:47,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:22:47,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:22:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:22:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:22:47,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:22:47,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147493911] [2023-11-29 00:22:47,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147493911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:22:47,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:22:47,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:22:47,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120440419] [2023-11-29 00:22:47,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:22:47,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:22:47,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:22:47,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:22:47,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:22:51,612 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:22:51,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 773 places, 1744 transitions, 74726 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:22:51,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:22:51,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:22:51,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:23:10,835 INFO L124 PetriNetUnfolderBase]: 9654/21397 cut-off events. [2023-11-29 00:23:10,835 INFO L125 PetriNetUnfolderBase]: For 2154515/2154870 co-relation queries the response was YES. [2023-11-29 00:23:11,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250954 conditions, 21397 events. 9654/21397 cut-off events. For 2154515/2154870 co-relation queries the response was YES. Maximal size of possible extension queue 1123. Compared 219301 event pairs, 1407 based on Foata normal form. 124/21345 useless extension candidates. Maximal degree in co-relation 250607. Up to 8417 conditions per place. [2023-11-29 00:23:11,472 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 675 selfloop transitions, 1104 changer transitions 0/1928 dead transitions. [2023-11-29 00:23:11,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 806 places, 1928 transitions, 82139 flow [2023-11-29 00:23:11,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 00:23:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-29 00:23:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 6631 transitions. [2023-11-29 00:23:11,476 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7196657260690253 [2023-11-29 00:23:11,476 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 6631 transitions. [2023-11-29 00:23:11,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 6631 transitions. [2023-11-29 00:23:11,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:23:11,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 6631 transitions. [2023-11-29 00:23:11,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 195.02941176470588) internal successors, (6631), 34 states have internal predecessors, (6631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:23:11,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:23:11,485 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:23:11,485 INFO L175 Difference]: Start difference. First operand has 773 places, 1744 transitions, 74726 flow. Second operand 34 states and 6631 transitions. [2023-11-29 00:23:11,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 806 places, 1928 transitions, 82139 flow [2023-11-29 00:23:38,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 788 places, 1928 transitions, 81487 flow, removed 259 selfloop flow, removed 18 redundant places. [2023-11-29 00:23:38,231 INFO L231 Difference]: Finished difference. Result has 797 places, 1782 transitions, 80134 flow [2023-11-29 00:23:38,232 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=74078, PETRI_DIFFERENCE_MINUEND_PLACES=755, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1744, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1067, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=661, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=80134, PETRI_PLACES=797, PETRI_TRANSITIONS=1782} [2023-11-29 00:23:38,233 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 532 predicate places. [2023-11-29 00:23:38,233 INFO L495 AbstractCegarLoop]: Abstraction has has 797 places, 1782 transitions, 80134 flow [2023-11-29 00:23:38,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:23:38,234 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:23:38,234 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] [2023-11-29 00:23:38,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 00:23:38,234 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:23:38,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:23:38,234 INFO L85 PathProgramCache]: Analyzing trace with hash -282756930, now seen corresponding path program 25 times [2023-11-29 00:23:38,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:23:38,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508486183] [2023-11-29 00:23:38,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:23:38,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:23:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:23:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:23:38,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:23:38,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508486183] [2023-11-29 00:23:38,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508486183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:23:38,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:23:38,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:23:38,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026538811] [2023-11-29 00:23:38,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:23:38,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:23:38,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:23:38,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:23:38,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:23:42,815 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:23:42,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 797 places, 1782 transitions, 80134 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:23:42,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:23:42,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:23:42,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:24:03,303 INFO L124 PetriNetUnfolderBase]: 9911/21922 cut-off events. [2023-11-29 00:24:03,303 INFO L125 PetriNetUnfolderBase]: For 2344940/2345117 co-relation queries the response was YES. [2023-11-29 00:24:03,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266682 conditions, 21922 events. 9911/21922 cut-off events. For 2344940/2345117 co-relation queries the response was YES. Maximal size of possible extension queue 1158. Compared 223953 event pairs, 184 based on Foata normal form. 184/22085 useless extension candidates. Maximal degree in co-relation 266326. Up to 8524 conditions per place. [2023-11-29 00:24:04,018 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 752 selfloop transitions, 1097 changer transitions 0/1998 dead transitions. [2023-11-29 00:24:04,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 831 places, 1998 transitions, 89140 flow [2023-11-29 00:24:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 00:24:04,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-11-29 00:24:04,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6833 transitions. [2023-11-29 00:24:04,023 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7204006325777543 [2023-11-29 00:24:04,023 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6833 transitions. [2023-11-29 00:24:04,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6833 transitions. [2023-11-29 00:24:04,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:24:04,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6833 transitions. [2023-11-29 00:24:04,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 195.22857142857143) internal successors, (6833), 35 states have internal predecessors, (6833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:24:04,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:24:04,032 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 271.0) internal successors, (9756), 36 states have internal predecessors, (9756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:24:04,032 INFO L175 Difference]: Start difference. First operand has 797 places, 1782 transitions, 80134 flow. Second operand 35 states and 6833 transitions. [2023-11-29 00:24:04,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 831 places, 1998 transitions, 89140 flow [2023-11-29 00:24:44,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 812 places, 1998 transitions, 88773 flow, removed 102 selfloop flow, removed 19 redundant places. [2023-11-29 00:24:44,364 INFO L231 Difference]: Finished difference. Result has 823 places, 1838 transitions, 86323 flow [2023-11-29 00:24:44,365 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=79795, PETRI_DIFFERENCE_MINUEND_PLACES=778, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1782, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1043, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=86323, PETRI_PLACES=823, PETRI_TRANSITIONS=1838} [2023-11-29 00:24:44,365 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 558 predicate places. [2023-11-29 00:24:44,365 INFO L495 AbstractCegarLoop]: Abstraction has has 823 places, 1838 transitions, 86323 flow [2023-11-29 00:24:44,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:24:44,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:24:44,366 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] [2023-11-29 00:24:44,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 00:24:44,366 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:24:44,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:24:44,366 INFO L85 PathProgramCache]: Analyzing trace with hash 374066978, now seen corresponding path program 26 times [2023-11-29 00:24:44,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:24:44,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500572544] [2023-11-29 00:24:44,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:24:44,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:24:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:24:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:24:45,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:24:45,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500572544] [2023-11-29 00:24:45,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500572544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:24:45,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:24:45,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:24:45,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820032680] [2023-11-29 00:24:45,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:24:45,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:24:45,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:24:45,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:24:45,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:24:49,850 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:24:49,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 823 places, 1838 transitions, 86323 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:24:49,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:24:49,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:24:49,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:25:12,072 INFO L124 PetriNetUnfolderBase]: 9938/22098 cut-off events. [2023-11-29 00:25:12,072 INFO L125 PetriNetUnfolderBase]: For 2596822/2597185 co-relation queries the response was YES. [2023-11-29 00:25:12,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276312 conditions, 22098 events. 9938/22098 cut-off events. For 2596822/2597185 co-relation queries the response was YES. Maximal size of possible extension queue 1169. Compared 229020 event pairs, 1422 based on Foata normal form. 128/22041 useless extension candidates. Maximal degree in co-relation 275945. Up to 8530 conditions per place. [2023-11-29 00:25:12,830 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 706 selfloop transitions, 1158 changer transitions 0/2013 dead transitions. [2023-11-29 00:25:12,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 858 places, 2013 transitions, 93054 flow [2023-11-29 00:25:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-29 00:25:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-29 00:25:12,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 7021 transitions. [2023-11-29 00:25:12,834 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7196596965969659 [2023-11-29 00:25:12,834 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 7021 transitions. [2023-11-29 00:25:12,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 7021 transitions. [2023-11-29 00:25:12,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:25:12,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 7021 transitions. [2023-11-29 00:25:12,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 195.02777777777777) internal successors, (7021), 36 states have internal predecessors, (7021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:12,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:12,843 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 271.0) internal successors, (10027), 37 states have internal predecessors, (10027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:12,844 INFO L175 Difference]: Start difference. First operand has 823 places, 1838 transitions, 86323 flow. Second operand 36 states and 7021 transitions. [2023-11-29 00:25:12,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 858 places, 2013 transitions, 93054 flow [2023-11-29 00:25:51,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 2013 transitions, 92370 flow, removed 274 selfloop flow, removed 18 redundant places. [2023-11-29 00:25:51,367 INFO L231 Difference]: Finished difference. Result has 845 places, 1860 transitions, 90066 flow [2023-11-29 00:25:51,368 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=85679, PETRI_DIFFERENCE_MINUEND_PLACES=805, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1838, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=689, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=90066, PETRI_PLACES=845, PETRI_TRANSITIONS=1860} [2023-11-29 00:25:51,368 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 580 predicate places. [2023-11-29 00:25:51,369 INFO L495 AbstractCegarLoop]: Abstraction has has 845 places, 1860 transitions, 90066 flow [2023-11-29 00:25:51,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:51,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:25:51,369 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] [2023-11-29 00:25:51,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 00:25:51,369 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:25:51,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:25:51,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1824075294, now seen corresponding path program 27 times [2023-11-29 00:25:51,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:25:51,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455124806] [2023-11-29 00:25:51,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:25:51,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:25:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:25:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:25:51,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:25:51,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455124806] [2023-11-29 00:25:51,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455124806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:25:51,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:25:51,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:25:51,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082989658] [2023-11-29 00:25:51,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:25:51,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:25:51,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:25:51,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:25:51,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:25:56,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:25:56,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 845 places, 1860 transitions, 90066 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:56,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:25:56,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:25:56,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:19,976 INFO L124 PetriNetUnfolderBase]: 10283/22856 cut-off events. [2023-11-29 00:26:19,976 INFO L125 PetriNetUnfolderBase]: For 2784871/2785048 co-relation queries the response was YES. [2023-11-29 00:26:20,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294447 conditions, 22856 events. 10283/22856 cut-off events. For 2784871/2785048 co-relation queries the response was YES. Maximal size of possible extension queue 1209. Compared 236298 event pairs, 214 based on Foata normal form. 180/23013 useless extension candidates. Maximal degree in co-relation 294075. Up to 9067 conditions per place. [2023-11-29 00:26:20,765 INFO L140 encePairwiseOnDemand]: 243/271 looper letters, 787 selfloop transitions, 1146 changer transitions 0/2082 dead transitions. [2023-11-29 00:26:20,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 878 places, 2082 transitions, 100064 flow [2023-11-29 00:26:20,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 00:26:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-29 00:26:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 6630 transitions. [2023-11-29 00:26:20,769 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7195571955719557 [2023-11-29 00:26:20,770 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 6630 transitions. [2023-11-29 00:26:20,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 6630 transitions. [2023-11-29 00:26:20,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:20,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 6630 transitions. [2023-11-29 00:26:20,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 195.0) internal successors, (6630), 34 states have internal predecessors, (6630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:20,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:20,779 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 271.0) internal successors, (9485), 35 states have internal predecessors, (9485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:20,779 INFO L175 Difference]: Start difference. First operand has 845 places, 1860 transitions, 90066 flow. Second operand 34 states and 6630 transitions. [2023-11-29 00:26:20,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 878 places, 2082 transitions, 100064 flow [2023-11-29 00:27:12,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 853 places, 2082 transitions, 99510 flow, removed 77 selfloop flow, removed 25 redundant places. [2023-11-29 00:27:13,045 INFO L231 Difference]: Finished difference. Result has 863 places, 1931 transitions, 98121 flow [2023-11-29 00:27:13,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=89546, PETRI_DIFFERENCE_MINUEND_PLACES=820, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1078, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=759, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=98121, PETRI_PLACES=863, PETRI_TRANSITIONS=1931} [2023-11-29 00:27:13,046 INFO L281 CegarLoopForPetriNet]: 265 programPoint places, 598 predicate places. [2023-11-29 00:27:13,047 INFO L495 AbstractCegarLoop]: Abstraction has has 863 places, 1931 transitions, 98121 flow [2023-11-29 00:27:13,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:27:13,047 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:27:13,047 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] [2023-11-29 00:27:13,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 00:27:13,047 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:27:13,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:27:13,048 INFO L85 PathProgramCache]: Analyzing trace with hash -667019138, now seen corresponding path program 28 times [2023-11-29 00:27:13,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:27:13,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706755601] [2023-11-29 00:27:13,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:27:13,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:27:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:27:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:27:13,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:27:13,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706755601] [2023-11-29 00:27:13,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706755601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:27:13,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:27:13,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-11-29 00:27:13,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810264931] [2023-11-29 00:27:13,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:27:13,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:27:13,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:27:13,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:27:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:27:18,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 271 [2023-11-29 00:27:18,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 863 places, 1931 transitions, 98121 flow. Second operand has 20 states, 20 states have (on average 187.8) internal successors, (3756), 20 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:27:18,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:27:18,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 271 [2023-11-29 00:27:18,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand