./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX --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 21325645cf7d2c394d0eaa1628a16a96624f1addcdd1b56c7e8aa2473acfaf07 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:51:11,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:51:11,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 17:51:11,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:51:11,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:51:11,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:51:11,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:51:11,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:51:11,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:51:11,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:51:11,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:51:11,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:51:11,433 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:51:11,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:51:11,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:51:11,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:51:11,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:51:11,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:51:11,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:51:11,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:51:11,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:51:11,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:51:11,444 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 17:51:11,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:51:11,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:51:11,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:51:11,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:51:11,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:51:11,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:51:11,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:51:11,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:51:11,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:51:11,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:51:11,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:51:11,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:51:11,452 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:51:11,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:51:11,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:51:11,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:51:11,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:51:11,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:51:11,456 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_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21325645cf7d2c394d0eaa1628a16a96624f1addcdd1b56c7e8aa2473acfaf07 [2024-11-08 17:51:11,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:51:11,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:51:11,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:51:11,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:51:11,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:51:11,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c Unable to find full path for "g++" [2024-11-08 17:51:14,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:51:14,620 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:51:14,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/sv-benchmarks/c/weaver/bench-exp3x3.wvr.c [2024-11-08 17:51:14,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/data/03e0a91ea/a6556d10625946d08852356f6b46b148/FLAG0e30d52a3 [2024-11-08 17:51:14,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/data/03e0a91ea/a6556d10625946d08852356f6b46b148 [2024-11-08 17:51:14,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:51:14,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:51:14,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:51:14,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:51:14,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:51:14,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11081b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:14, skipping insertion in model container [2024-11-08 17:51:14,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:51:14" (1/1) ... [2024-11-08 17:51:14,713 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:51:15,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:51:15,094 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:51:15,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:51:15,198 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:51:15,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15 WrapperNode [2024-11-08 17:51:15,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:51:15,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:51:15,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:51:15,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:51:15,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,277 INFO L138 Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 183 [2024-11-08 17:51:15,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:51:15,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:51:15,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:51:15,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:51:15,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:51:15,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:51:15,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:51:15,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:51:15,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (1/1) ... [2024-11-08 17:51:15,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:51:15,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:51:15,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:51:15,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:51:15,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:51:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 17:51:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 17:51:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 17:51:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 17:51:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 17:51:15,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 17:51:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-08 17:51:15,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-08 17:51:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:51:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-08 17:51:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-08 17:51:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-08 17:51:15,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-08 17:51:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:51:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:51:15,448 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:51:15,671 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:51:15,674 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:51:16,444 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:51:16,444 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:51:16,478 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:51:16,478 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-08 17:51:16,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:51:16 BoogieIcfgContainer [2024-11-08 17:51:16,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:51:16,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:51:16,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:51:16,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:51:16,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:51:14" (1/3) ... [2024-11-08 17:51:16,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f30171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:51:16, skipping insertion in model container [2024-11-08 17:51:16,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:51:15" (2/3) ... [2024-11-08 17:51:16,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f30171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:51:16, skipping insertion in model container [2024-11-08 17:51:16,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:51:16" (3/3) ... [2024-11-08 17:51:16,503 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp3x3.wvr.c [2024-11-08 17:51:16,528 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:51:16,529 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-11-08 17:51:16,529 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:51:16,723 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-11-08 17:51:16,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 371 places, 373 transitions, 788 flow [2024-11-08 17:51:17,051 INFO L124 PetriNetUnfolderBase]: 21/367 cut-off events. [2024-11-08 17:51:17,052 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-08 17:51:17,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 367 events. 21/367 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 692 event pairs, 0 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 300. Up to 2 conditions per place. [2024-11-08 17:51:17,073 INFO L82 GeneralOperation]: Start removeDead. Operand has 371 places, 373 transitions, 788 flow [2024-11-08 17:51:17,092 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 346 places, 346 transitions, 728 flow [2024-11-08 17:51:17,112 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:51:17,125 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@6adab730, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:51:17,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2024-11-08 17:51:17,140 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:51:17,142 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-08 17:51:17,142 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 17:51:17,143 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:17,144 INFO L204 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] [2024-11-08 17:51:17,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:17,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:17,154 INFO L85 PathProgramCache]: Analyzing trace with hash -81338828, now seen corresponding path program 1 times [2024-11-08 17:51:17,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:17,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914725875] [2024-11-08 17:51:17,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:17,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:17,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:17,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914725875] [2024-11-08 17:51:17,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914725875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:17,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:17,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:17,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247296114] [2024-11-08 17:51:17,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:17,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:17,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:17,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:17,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:17,594 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 373 [2024-11-08 17:51:17,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 346 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:17,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:17,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 373 [2024-11-08 17:51:17,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:17,882 INFO L124 PetriNetUnfolderBase]: 37/473 cut-off events. [2024-11-08 17:51:17,883 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-08 17:51:17,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 473 events. 37/473 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1690 event pairs, 20 based on Foata normal form. 91/466 useless extension candidates. Maximal degree in co-relation 485. Up to 68 conditions per place. [2024-11-08 17:51:17,899 INFO L140 encePairwiseOnDemand]: 363/373 looper letters, 22 selfloop transitions, 2 changer transitions 1/338 dead transitions. [2024-11-08 17:51:17,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 338 transitions, 760 flow [2024-11-08 17:51:17,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:17,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2024-11-08 17:51:17,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.934763181411975 [2024-11-08 17:51:17,931 INFO L175 Difference]: Start difference. First operand has 346 places, 346 transitions, 728 flow. Second operand 3 states and 1046 transitions. [2024-11-08 17:51:17,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 338 transitions, 760 flow [2024-11-08 17:51:17,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 338 transitions, 736 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-08 17:51:17,955 INFO L231 Difference]: Finished difference. Result has 335 places, 337 transitions, 690 flow [2024-11-08 17:51:17,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=690, PETRI_PLACES=335, PETRI_TRANSITIONS=337} [2024-11-08 17:51:17,966 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -11 predicate places. [2024-11-08 17:51:17,967 INFO L471 AbstractCegarLoop]: Abstraction has has 335 places, 337 transitions, 690 flow [2024-11-08 17:51:17,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:17,970 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:17,970 INFO L204 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] [2024-11-08 17:51:17,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:51:17,971 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:17,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:17,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1673001803, now seen corresponding path program 1 times [2024-11-08 17:51:17,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:17,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850965747] [2024-11-08 17:51:17,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:17,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:18,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:18,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:18,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850965747] [2024-11-08 17:51:18,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850965747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:18,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:18,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:18,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537208978] [2024-11-08 17:51:18,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:18,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:18,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:18,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:18,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:18,203 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-08 17:51:18,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 337 transitions, 690 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:18,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:18,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-08 17:51:18,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:18,389 INFO L124 PetriNetUnfolderBase]: 37/471 cut-off events. [2024-11-08 17:51:18,389 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-08 17:51:18,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 471 events. 37/471 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1589 event pairs, 20 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 532. Up to 67 conditions per place. [2024-11-08 17:51:18,403 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2024-11-08 17:51:18,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 336 transitions, 734 flow [2024-11-08 17:51:18,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:18,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-08 17:51:18,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-08 17:51:18,410 INFO L175 Difference]: Start difference. First operand has 335 places, 337 transitions, 690 flow. Second operand 3 states and 1041 transitions. [2024-11-08 17:51:18,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 336 transitions, 734 flow [2024-11-08 17:51:18,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 336 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:18,448 INFO L231 Difference]: Finished difference. Result has 333 places, 336 transitions, 688 flow [2024-11-08 17:51:18,449 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=333, PETRI_TRANSITIONS=336} [2024-11-08 17:51:18,450 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -13 predicate places. [2024-11-08 17:51:18,450 INFO L471 AbstractCegarLoop]: Abstraction has has 333 places, 336 transitions, 688 flow [2024-11-08 17:51:18,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:18,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:18,452 INFO L204 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] [2024-11-08 17:51:18,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:51:18,453 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:18,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:18,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1784364021, now seen corresponding path program 1 times [2024-11-08 17:51:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:18,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498666253] [2024-11-08 17:51:18,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:18,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:18,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:18,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498666253] [2024-11-08 17:51:18,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498666253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:18,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:18,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:18,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693325261] [2024-11-08 17:51:18,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:18,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:18,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:18,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:18,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:18,633 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 373 [2024-11-08 17:51:18,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 336 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:18,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:18,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 373 [2024-11-08 17:51:18,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:18,842 INFO L124 PetriNetUnfolderBase]: 37/452 cut-off events. [2024-11-08 17:51:18,843 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-08 17:51:18,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 452 events. 37/452 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1464 event pairs, 20 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 503. Up to 68 conditions per place. [2024-11-08 17:51:18,854 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2024-11-08 17:51:18,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 335 transitions, 734 flow [2024-11-08 17:51:18,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:18,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2024-11-08 17:51:18,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9285075960679178 [2024-11-08 17:51:18,862 INFO L175 Difference]: Start difference. First operand has 333 places, 336 transitions, 688 flow. Second operand 3 states and 1039 transitions. [2024-11-08 17:51:18,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 335 transitions, 734 flow [2024-11-08 17:51:18,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 335 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:18,873 INFO L231 Difference]: Finished difference. Result has 332 places, 335 transitions, 686 flow [2024-11-08 17:51:18,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=686, PETRI_PLACES=332, PETRI_TRANSITIONS=335} [2024-11-08 17:51:18,875 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -14 predicate places. [2024-11-08 17:51:18,876 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 335 transitions, 686 flow [2024-11-08 17:51:18,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:18,878 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:18,878 INFO L204 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] [2024-11-08 17:51:18,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:51:18,879 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:18,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:18,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1391429070, now seen corresponding path program 1 times [2024-11-08 17:51:18,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:18,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71041571] [2024-11-08 17:51:18,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:18,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:18,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:18,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:18,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71041571] [2024-11-08 17:51:18,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71041571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:18,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:18,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:18,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491084543] [2024-11-08 17:51:18,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:18,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:18,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:18,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:18,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:19,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-08 17:51:19,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 335 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:19,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:19,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-08 17:51:19,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:19,193 INFO L124 PetriNetUnfolderBase]: 37/433 cut-off events. [2024-11-08 17:51:19,193 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-08 17:51:19,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 433 events. 37/433 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1237 event pairs, 20 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 472. Up to 67 conditions per place. [2024-11-08 17:51:19,202 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2024-11-08 17:51:19,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 334 transitions, 730 flow [2024-11-08 17:51:19,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-08 17:51:19,206 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-08 17:51:19,206 INFO L175 Difference]: Start difference. First operand has 332 places, 335 transitions, 686 flow. Second operand 3 states and 1041 transitions. [2024-11-08 17:51:19,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 334 transitions, 730 flow [2024-11-08 17:51:19,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 334 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:19,247 INFO L231 Difference]: Finished difference. Result has 331 places, 334 transitions, 684 flow [2024-11-08 17:51:19,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=331, PETRI_TRANSITIONS=334} [2024-11-08 17:51:19,249 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -15 predicate places. [2024-11-08 17:51:19,250 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 334 transitions, 684 flow [2024-11-08 17:51:19,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:19,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:19,251 INFO L204 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] [2024-11-08 17:51:19,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:51:19,255 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:19,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:19,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1348569220, now seen corresponding path program 1 times [2024-11-08 17:51:19,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:19,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613907553] [2024-11-08 17:51:19,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:19,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:19,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:19,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613907553] [2024-11-08 17:51:19,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613907553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:19,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:19,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:19,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371957443] [2024-11-08 17:51:19,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:19,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:19,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:19,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:19,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:19,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 373 [2024-11-08 17:51:19,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 334 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:19,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:19,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 373 [2024-11-08 17:51:19,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:19,588 INFO L124 PetriNetUnfolderBase]: 37/414 cut-off events. [2024-11-08 17:51:19,588 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-08 17:51:19,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 414 events. 37/414 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1066 event pairs, 20 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 443. Up to 68 conditions per place. [2024-11-08 17:51:19,597 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2024-11-08 17:51:19,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 333 transitions, 730 flow [2024-11-08 17:51:19,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:19,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:19,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2024-11-08 17:51:19,603 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9285075960679178 [2024-11-08 17:51:19,603 INFO L175 Difference]: Start difference. First operand has 331 places, 334 transitions, 684 flow. Second operand 3 states and 1039 transitions. [2024-11-08 17:51:19,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 333 transitions, 730 flow [2024-11-08 17:51:19,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 333 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:19,612 INFO L231 Difference]: Finished difference. Result has 330 places, 333 transitions, 682 flow [2024-11-08 17:51:19,613 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=330, PETRI_TRANSITIONS=333} [2024-11-08 17:51:19,614 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -16 predicate places. [2024-11-08 17:51:19,616 INFO L471 AbstractCegarLoop]: Abstraction has has 330 places, 333 transitions, 682 flow [2024-11-08 17:51:19,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:19,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:19,618 INFO L204 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] [2024-11-08 17:51:19,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:51:19,618 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:19,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:19,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1156041125, now seen corresponding path program 1 times [2024-11-08 17:51:19,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:19,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150169435] [2024-11-08 17:51:19,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:19,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:19,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:19,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:19,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150169435] [2024-11-08 17:51:19,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150169435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:19,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:19,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:19,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76972523] [2024-11-08 17:51:19,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:19,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:19,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:19,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:19,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:19,770 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-08 17:51:19,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 333 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:19,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:19,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-08 17:51:19,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:19,915 INFO L124 PetriNetUnfolderBase]: 37/395 cut-off events. [2024-11-08 17:51:19,915 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-08 17:51:19,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 395 events. 37/395 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 909 event pairs, 20 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 412. Up to 67 conditions per place. [2024-11-08 17:51:19,922 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/332 dead transitions. [2024-11-08 17:51:19,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 332 transitions, 726 flow [2024-11-08 17:51:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:19,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:19,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-08 17:51:19,926 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-08 17:51:19,927 INFO L175 Difference]: Start difference. First operand has 330 places, 333 transitions, 682 flow. Second operand 3 states and 1041 transitions. [2024-11-08 17:51:19,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 332 transitions, 726 flow [2024-11-08 17:51:19,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 332 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:19,935 INFO L231 Difference]: Finished difference. Result has 329 places, 332 transitions, 680 flow [2024-11-08 17:51:19,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=329, PETRI_TRANSITIONS=332} [2024-11-08 17:51:19,937 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -17 predicate places. [2024-11-08 17:51:19,939 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 332 transitions, 680 flow [2024-11-08 17:51:19,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:19,940 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:19,941 INFO L204 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] [2024-11-08 17:51:19,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:51:19,941 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:19,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:19,942 INFO L85 PathProgramCache]: Analyzing trace with hash 831097560, now seen corresponding path program 1 times [2024-11-08 17:51:19,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:19,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189327281] [2024-11-08 17:51:19,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:19,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:20,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:20,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189327281] [2024-11-08 17:51:20,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189327281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:20,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:20,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:20,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098568460] [2024-11-08 17:51:20,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:20,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:20,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:20,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:20,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:20,074 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-08 17:51:20,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 332 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:20,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:20,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-08 17:51:20,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:21,685 INFO L124 PetriNetUnfolderBase]: 755/4731 cut-off events. [2024-11-08 17:51:21,686 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-11-08 17:51:21,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5736 conditions, 4731 events. 755/4731 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 46060 event pairs, 387 based on Foata normal form. 0/3476 useless extension candidates. Maximal degree in co-relation 5667. Up to 936 conditions per place. [2024-11-08 17:51:21,817 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2024-11-08 17:51:21,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 331 transitions, 724 flow [2024-11-08 17:51:21,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:21,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:21,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-08 17:51:21,821 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-08 17:51:21,821 INFO L175 Difference]: Start difference. First operand has 329 places, 332 transitions, 680 flow. Second operand 3 states and 1041 transitions. [2024-11-08 17:51:21,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 331 transitions, 724 flow [2024-11-08 17:51:21,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 331 transitions, 720 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:21,829 INFO L231 Difference]: Finished difference. Result has 328 places, 331 transitions, 678 flow [2024-11-08 17:51:21,831 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=678, PETRI_PLACES=328, PETRI_TRANSITIONS=331} [2024-11-08 17:51:21,832 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -18 predicate places. [2024-11-08 17:51:21,834 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 331 transitions, 678 flow [2024-11-08 17:51:21,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:21,835 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:21,835 INFO L204 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] [2024-11-08 17:51:21,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:51:21,836 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:21,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:21,836 INFO L85 PathProgramCache]: Analyzing trace with hash -360720586, now seen corresponding path program 1 times [2024-11-08 17:51:21,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:21,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292904765] [2024-11-08 17:51:21,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:21,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:21,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:21,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292904765] [2024-11-08 17:51:21,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292904765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:21,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:21,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:21,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842397273] [2024-11-08 17:51:21,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:21,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:21,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:21,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:21,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:21,960 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 373 [2024-11-08 17:51:21,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 331 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:21,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:21,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 373 [2024-11-08 17:51:21,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:22,221 INFO L124 PetriNetUnfolderBase]: 52/461 cut-off events. [2024-11-08 17:51:22,222 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:51:22,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 461 events. 52/461 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1745 event pairs, 30 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 533. Up to 90 conditions per place. [2024-11-08 17:51:22,230 INFO L140 encePairwiseOnDemand]: 364/373 looper letters, 29 selfloop transitions, 3 changer transitions 0/331 dead transitions. [2024-11-08 17:51:22,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 331 transitions, 747 flow [2024-11-08 17:51:22,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:22,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1034 transitions. [2024-11-08 17:51:22,233 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9240393208221627 [2024-11-08 17:51:22,234 INFO L175 Difference]: Start difference. First operand has 328 places, 331 transitions, 678 flow. Second operand 3 states and 1034 transitions. [2024-11-08 17:51:22,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 331 transitions, 747 flow [2024-11-08 17:51:22,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 331 transitions, 743 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:22,243 INFO L231 Difference]: Finished difference. Result has 323 places, 326 transitions, 675 flow [2024-11-08 17:51:22,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=323, PETRI_TRANSITIONS=326} [2024-11-08 17:51:22,245 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -23 predicate places. [2024-11-08 17:51:22,245 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 326 transitions, 675 flow [2024-11-08 17:51:22,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:22,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:22,246 INFO L204 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] [2024-11-08 17:51:22,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:51:22,247 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:22,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:22,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1239892221, now seen corresponding path program 1 times [2024-11-08 17:51:22,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:22,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493597771] [2024-11-08 17:51:22,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:22,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:22,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:22,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493597771] [2024-11-08 17:51:22,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493597771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:22,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:22,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:22,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046528799] [2024-11-08 17:51:22,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:22,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:22,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:22,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:22,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:22,338 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 373 [2024-11-08 17:51:22,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 326 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:22,341 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:22,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 373 [2024-11-08 17:51:22,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:22,495 INFO L124 PetriNetUnfolderBase]: 52/457 cut-off events. [2024-11-08 17:51:22,497 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-08 17:51:22,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 457 events. 52/457 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1658 event pairs, 30 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 515. Up to 88 conditions per place. [2024-11-08 17:51:22,506 INFO L140 encePairwiseOnDemand]: 365/373 looper letters, 27 selfloop transitions, 3 changer transitions 0/327 dead transitions. [2024-11-08 17:51:22,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 327 transitions, 742 flow [2024-11-08 17:51:22,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2024-11-08 17:51:22,510 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9294012511170688 [2024-11-08 17:51:22,510 INFO L175 Difference]: Start difference. First operand has 323 places, 326 transitions, 675 flow. Second operand 3 states and 1040 transitions. [2024-11-08 17:51:22,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 327 transitions, 742 flow [2024-11-08 17:51:22,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 327 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:51:22,519 INFO L231 Difference]: Finished difference. Result has 320 places, 322 transitions, 675 flow [2024-11-08 17:51:22,520 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=320, PETRI_TRANSITIONS=322} [2024-11-08 17:51:22,521 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -26 predicate places. [2024-11-08 17:51:22,521 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 322 transitions, 675 flow [2024-11-08 17:51:22,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:22,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:22,525 INFO L204 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] [2024-11-08 17:51:22,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:51:22,526 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:22,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:22,526 INFO L85 PathProgramCache]: Analyzing trace with hash 475785004, now seen corresponding path program 1 times [2024-11-08 17:51:22,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:22,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810364646] [2024-11-08 17:51:22,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:22,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:22,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:22,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810364646] [2024-11-08 17:51:22,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810364646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:22,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:22,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:22,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917085038] [2024-11-08 17:51:22,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:22,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:22,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:22,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:22,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:22,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 373 [2024-11-08 17:51:22,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 322 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:22,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:22,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 373 [2024-11-08 17:51:22,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:22,928 INFO L124 PetriNetUnfolderBase]: 70/752 cut-off events. [2024-11-08 17:51:22,928 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-08 17:51:22,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 752 events. 70/752 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3755 event pairs, 25 based on Foata normal form. 0/638 useless extension candidates. Maximal degree in co-relation 825. Up to 96 conditions per place. [2024-11-08 17:51:22,943 INFO L140 encePairwiseOnDemand]: 363/373 looper letters, 32 selfloop transitions, 4 changer transitions 0/326 dead transitions. [2024-11-08 17:51:22,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 326 transitions, 763 flow [2024-11-08 17:51:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:22,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1038 transitions. [2024-11-08 17:51:22,947 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9276139410187667 [2024-11-08 17:51:22,947 INFO L175 Difference]: Start difference. First operand has 320 places, 322 transitions, 675 flow. Second operand 3 states and 1038 transitions. [2024-11-08 17:51:22,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 326 transitions, 763 flow [2024-11-08 17:51:22,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 326 transitions, 760 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:51:22,955 INFO L231 Difference]: Finished difference. Result has 316 places, 318 transitions, 680 flow [2024-11-08 17:51:22,956 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=316, PETRI_TRANSITIONS=318} [2024-11-08 17:51:22,957 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -30 predicate places. [2024-11-08 17:51:22,957 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 318 transitions, 680 flow [2024-11-08 17:51:22,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:22,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:22,959 INFO L204 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] [2024-11-08 17:51:22,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:51:22,959 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:22,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:22,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1962880861, now seen corresponding path program 1 times [2024-11-08 17:51:22,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:22,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031118201] [2024-11-08 17:51:22,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:22,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:23,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:23,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031118201] [2024-11-08 17:51:23,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031118201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:23,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:23,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:23,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260286003] [2024-11-08 17:51:23,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:23,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:23,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:23,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:23,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:23,075 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 373 [2024-11-08 17:51:23,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 318 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:23,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:23,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 373 [2024-11-08 17:51:23,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:23,374 INFO L124 PetriNetUnfolderBase]: 104/910 cut-off events. [2024-11-08 17:51:23,375 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-08 17:51:23,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 910 events. 104/910 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5048 event pairs, 9 based on Foata normal form. 0/795 useless extension candidates. Maximal degree in co-relation 875. Up to 151 conditions per place. [2024-11-08 17:51:23,390 INFO L140 encePairwiseOnDemand]: 365/373 looper letters, 31 selfloop transitions, 3 changer transitions 0/323 dead transitions. [2024-11-08 17:51:23,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 323 transitions, 767 flow [2024-11-08 17:51:23,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:23,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2024-11-08 17:51:23,394 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9329758713136729 [2024-11-08 17:51:23,394 INFO L175 Difference]: Start difference. First operand has 316 places, 318 transitions, 680 flow. Second operand 3 states and 1044 transitions. [2024-11-08 17:51:23,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 323 transitions, 767 flow [2024-11-08 17:51:23,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 323 transitions, 763 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:51:23,404 INFO L231 Difference]: Finished difference. Result has 313 places, 314 transitions, 679 flow [2024-11-08 17:51:23,405 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=679, PETRI_PLACES=313, PETRI_TRANSITIONS=314} [2024-11-08 17:51:23,405 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -33 predicate places. [2024-11-08 17:51:23,406 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 314 transitions, 679 flow [2024-11-08 17:51:23,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:23,407 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:23,407 INFO L204 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] [2024-11-08 17:51:23,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:51:23,408 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:23,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:23,408 INFO L85 PathProgramCache]: Analyzing trace with hash 649107098, now seen corresponding path program 1 times [2024-11-08 17:51:23,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:23,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213098669] [2024-11-08 17:51:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:23,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:23,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:23,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213098669] [2024-11-08 17:51:23,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213098669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:23,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:23,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:23,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566497037] [2024-11-08 17:51:23,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:23,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:23,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:23,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:23,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:23,556 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 373 [2024-11-08 17:51:23,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 314 transitions, 679 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:23,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:23,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 373 [2024-11-08 17:51:23,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:24,009 INFO L124 PetriNetUnfolderBase]: 153/1421 cut-off events. [2024-11-08 17:51:24,010 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2024-11-08 17:51:24,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1843 conditions, 1421 events. 153/1421 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9634 event pairs, 12 based on Foata normal form. 0/1266 useless extension candidates. Maximal degree in co-relation 1329. Up to 235 conditions per place. [2024-11-08 17:51:24,034 INFO L140 encePairwiseOnDemand]: 363/373 looper letters, 34 selfloop transitions, 4 changer transitions 0/320 dead transitions. [2024-11-08 17:51:24,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 320 transitions, 777 flow [2024-11-08 17:51:24,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:24,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2024-11-08 17:51:24,040 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9294012511170688 [2024-11-08 17:51:24,040 INFO L175 Difference]: Start difference. First operand has 313 places, 314 transitions, 679 flow. Second operand 3 states and 1040 transitions. [2024-11-08 17:51:24,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 320 transitions, 777 flow [2024-11-08 17:51:24,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 320 transitions, 774 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:51:24,055 INFO L231 Difference]: Finished difference. Result has 309 places, 310 transitions, 684 flow [2024-11-08 17:51:24,056 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=309, PETRI_TRANSITIONS=310} [2024-11-08 17:51:24,058 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -37 predicate places. [2024-11-08 17:51:24,059 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 310 transitions, 684 flow [2024-11-08 17:51:24,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:24,060 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:24,061 INFO L204 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] [2024-11-08 17:51:24,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:51:24,061 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:24,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:24,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1021684423, now seen corresponding path program 1 times [2024-11-08 17:51:24,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:24,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178392491] [2024-11-08 17:51:24,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:24,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:24,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:24,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:24,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178392491] [2024-11-08 17:51:24,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178392491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:24,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:24,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:24,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816536204] [2024-11-08 17:51:24,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:24,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:24,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:24,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:24,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:24,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 373 [2024-11-08 17:51:24,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 310 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:24,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:24,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 373 [2024-11-08 17:51:24,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:24,864 INFO L124 PetriNetUnfolderBase]: 222/2002 cut-off events. [2024-11-08 17:51:24,864 INFO L125 PetriNetUnfolderBase]: For 142/142 co-relation queries the response was YES. [2024-11-08 17:51:24,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2627 conditions, 2002 events. 222/2002 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 15432 event pairs, 19 based on Foata normal form. 1/1819 useless extension candidates. Maximal degree in co-relation 1756. Up to 332 conditions per place. [2024-11-08 17:51:24,903 INFO L140 encePairwiseOnDemand]: 365/373 looper letters, 30 selfloop transitions, 3 changer transitions 18/317 dead transitions. [2024-11-08 17:51:24,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 317 transitions, 779 flow [2024-11-08 17:51:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1045 transitions. [2024-11-08 17:51:24,908 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9338695263628239 [2024-11-08 17:51:24,908 INFO L175 Difference]: Start difference. First operand has 309 places, 310 transitions, 684 flow. Second operand 3 states and 1045 transitions. [2024-11-08 17:51:24,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 317 transitions, 779 flow [2024-11-08 17:51:24,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 317 transitions, 775 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:51:24,919 INFO L231 Difference]: Finished difference. Result has 306 places, 288 transitions, 646 flow [2024-11-08 17:51:24,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=306, PETRI_TRANSITIONS=288} [2024-11-08 17:51:24,920 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -40 predicate places. [2024-11-08 17:51:24,921 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 288 transitions, 646 flow [2024-11-08 17:51:24,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:24,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:24,922 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:51:24,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:51:24,923 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:24,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:24,924 INFO L85 PathProgramCache]: Analyzing trace with hash 2106465905, now seen corresponding path program 1 times [2024-11-08 17:51:24,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:24,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261079384] [2024-11-08 17:51:24,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:24,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:25,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:25,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261079384] [2024-11-08 17:51:25,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261079384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:25,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:25,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:25,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108885690] [2024-11-08 17:51:25,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:25,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:25,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:25,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:25,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:25,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 373 [2024-11-08 17:51:25,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 288 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:25,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:25,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 373 [2024-11-08 17:51:25,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:40,146 INFO L124 PetriNetUnfolderBase]: 18691/70752 cut-off events. [2024-11-08 17:51:40,146 INFO L125 PetriNetUnfolderBase]: For 1780/1780 co-relation queries the response was YES. [2024-11-08 17:51:40,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102346 conditions, 70752 events. 18691/70752 cut-off events. For 1780/1780 co-relation queries the response was YES. Maximal size of possible extension queue 2559. Compared 1066034 event pairs, 9985 based on Foata normal form. 0/60915 useless extension candidates. Maximal degree in co-relation 36296. Up to 23154 conditions per place. [2024-11-08 17:51:41,335 INFO L140 encePairwiseOnDemand]: 361/373 looper letters, 29 selfloop transitions, 6 changer transitions 0/293 dead transitions. [2024-11-08 17:51:41,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 293 transitions, 731 flow [2024-11-08 17:51:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2024-11-08 17:51:41,340 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9294012511170688 [2024-11-08 17:51:41,340 INFO L175 Difference]: Start difference. First operand has 306 places, 288 transitions, 646 flow. Second operand 3 states and 1040 transitions. [2024-11-08 17:51:41,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 293 transitions, 731 flow [2024-11-08 17:51:41,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 293 transitions, 728 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:51:41,527 INFO L231 Difference]: Finished difference. Result has 285 places, 288 transitions, 673 flow [2024-11-08 17:51:41,528 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=285, PETRI_TRANSITIONS=288} [2024-11-08 17:51:41,530 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -61 predicate places. [2024-11-08 17:51:41,530 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 288 transitions, 673 flow [2024-11-08 17:51:41,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:41,532 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:41,532 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:51:41,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:51:41,533 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:41,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:41,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1970634996, now seen corresponding path program 1 times [2024-11-08 17:51:41,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:41,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692089965] [2024-11-08 17:51:41,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:41,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:41,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:41,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692089965] [2024-11-08 17:51:41,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692089965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:41,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:41,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:41,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841360400] [2024-11-08 17:51:41,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:41,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:41,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:41,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:41,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:41,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 373 [2024-11-08 17:51:41,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 288 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:41,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:41,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 373 [2024-11-08 17:51:41,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:43,872 INFO L124 PetriNetUnfolderBase]: 2051/10608 cut-off events. [2024-11-08 17:51:43,872 INFO L125 PetriNetUnfolderBase]: For 73/109 co-relation queries the response was YES. [2024-11-08 17:51:43,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15083 conditions, 10608 events. 2051/10608 cut-off events. For 73/109 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 128461 event pairs, 546 based on Foata normal form. 0/9044 useless extension candidates. Maximal degree in co-relation 8297. Up to 2106 conditions per place. [2024-11-08 17:51:44,048 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 25 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-08 17:51:44,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 292 transitions, 740 flow [2024-11-08 17:51:44,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-08 17:51:44,052 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.935656836461126 [2024-11-08 17:51:44,052 INFO L175 Difference]: Start difference. First operand has 285 places, 288 transitions, 673 flow. Second operand 3 states and 1047 transitions. [2024-11-08 17:51:44,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 292 transitions, 740 flow [2024-11-08 17:51:44,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 292 transitions, 740 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 17:51:44,063 INFO L231 Difference]: Finished difference. Result has 286 places, 287 transitions, 675 flow [2024-11-08 17:51:44,064 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=286, PETRI_TRANSITIONS=287} [2024-11-08 17:51:44,065 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -60 predicate places. [2024-11-08 17:51:44,065 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 287 transitions, 675 flow [2024-11-08 17:51:44,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:44,066 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:44,067 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:51:44,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 17:51:44,067 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:44,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:44,068 INFO L85 PathProgramCache]: Analyzing trace with hash -862424246, now seen corresponding path program 1 times [2024-11-08 17:51:44,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:44,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064186332] [2024-11-08 17:51:44,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:44,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:44,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:44,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:44,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064186332] [2024-11-08 17:51:44,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064186332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:44,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:44,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:44,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360827591] [2024-11-08 17:51:44,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:44,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:44,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:44,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:44,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:44,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 373 [2024-11-08 17:51:44,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 287 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:44,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:44,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 373 [2024-11-08 17:51:44,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:47,905 INFO L124 PetriNetUnfolderBase]: 4082/17975 cut-off events. [2024-11-08 17:51:47,905 INFO L125 PetriNetUnfolderBase]: For 452/476 co-relation queries the response was YES. [2024-11-08 17:51:48,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27578 conditions, 17975 events. 4082/17975 cut-off events. For 452/476 co-relation queries the response was YES. Maximal size of possible extension queue 746. Compared 234331 event pairs, 1420 based on Foata normal form. 0/16023 useless extension candidates. Maximal degree in co-relation 26789. Up to 3199 conditions per place. [2024-11-08 17:51:48,207 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 24 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-11-08 17:51:48,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 291 transitions, 740 flow [2024-11-08 17:51:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2024-11-08 17:51:48,210 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9374441465594281 [2024-11-08 17:51:48,210 INFO L175 Difference]: Start difference. First operand has 286 places, 287 transitions, 675 flow. Second operand 3 states and 1049 transitions. [2024-11-08 17:51:48,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 291 transitions, 740 flow [2024-11-08 17:51:48,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 291 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:48,223 INFO L231 Difference]: Finished difference. Result has 285 places, 286 transitions, 673 flow [2024-11-08 17:51:48,224 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=285, PETRI_TRANSITIONS=286} [2024-11-08 17:51:48,225 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -61 predicate places. [2024-11-08 17:51:48,225 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 286 transitions, 673 flow [2024-11-08 17:51:48,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:48,226 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:48,226 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:51:48,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 17:51:48,227 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:48,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:48,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1795894504, now seen corresponding path program 1 times [2024-11-08 17:51:48,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:48,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750739566] [2024-11-08 17:51:48,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:48,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:48,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:48,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750739566] [2024-11-08 17:51:48,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750739566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:48,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:48,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:48,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545315283] [2024-11-08 17:51:48,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:48,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:48,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:48,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:48,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:48,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 373 [2024-11-08 17:51:48,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 286 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:48,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:48,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 373 [2024-11-08 17:51:48,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:51,513 INFO L124 PetriNetUnfolderBase]: 2747/12620 cut-off events. [2024-11-08 17:51:51,513 INFO L125 PetriNetUnfolderBase]: For 584/602 co-relation queries the response was YES. [2024-11-08 17:51:51,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18853 conditions, 12620 events. 2747/12620 cut-off events. For 584/602 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 153980 event pairs, 867 based on Foata normal form. 0/11101 useless extension candidates. Maximal degree in co-relation 17294. Up to 2394 conditions per place. [2024-11-08 17:51:51,696 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 26 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-11-08 17:51:51,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 290 transitions, 742 flow [2024-11-08 17:51:51,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-08 17:51:51,700 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.935656836461126 [2024-11-08 17:51:51,700 INFO L175 Difference]: Start difference. First operand has 285 places, 286 transitions, 673 flow. Second operand 3 states and 1047 transitions. [2024-11-08 17:51:51,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 290 transitions, 742 flow [2024-11-08 17:51:51,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 290 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:51,718 INFO L231 Difference]: Finished difference. Result has 284 places, 285 transitions, 671 flow [2024-11-08 17:51:51,718 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=671, PETRI_PLACES=284, PETRI_TRANSITIONS=285} [2024-11-08 17:51:51,719 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -62 predicate places. [2024-11-08 17:51:51,719 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 285 transitions, 671 flow [2024-11-08 17:51:51,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:51,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:51,721 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:51:51,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 17:51:51,721 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:51,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:51,722 INFO L85 PathProgramCache]: Analyzing trace with hash -766167899, now seen corresponding path program 1 times [2024-11-08 17:51:51,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:51,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815204456] [2024-11-08 17:51:51,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:51,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:51,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:51,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815204456] [2024-11-08 17:51:51,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815204456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:51,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:51,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:51,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16774925] [2024-11-08 17:51:51,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:51,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:51,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:51,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:51,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:51,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 373 [2024-11-08 17:51:51,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 285 transitions, 671 flow. Second operand has 3 states, 3 states have (on average 344.6666666666667) internal successors, (1034), 3 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:51,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:51,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 373 [2024-11-08 17:51:51,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:54,457 INFO L124 PetriNetUnfolderBase]: 2558/11335 cut-off events. [2024-11-08 17:51:54,457 INFO L125 PetriNetUnfolderBase]: For 581/612 co-relation queries the response was YES. [2024-11-08 17:51:54,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17131 conditions, 11335 events. 2558/11335 cut-off events. For 581/612 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 135248 event pairs, 838 based on Foata normal form. 3/10069 useless extension candidates. Maximal degree in co-relation 16317. Up to 2162 conditions per place. [2024-11-08 17:51:54,612 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 24 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-11-08 17:51:54,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 289 transitions, 736 flow [2024-11-08 17:51:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2024-11-08 17:51:54,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9374441465594281 [2024-11-08 17:51:54,615 INFO L175 Difference]: Start difference. First operand has 284 places, 285 transitions, 671 flow. Second operand 3 states and 1049 transitions. [2024-11-08 17:51:54,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 289 transitions, 736 flow [2024-11-08 17:51:54,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 289 transitions, 732 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:54,627 INFO L231 Difference]: Finished difference. Result has 283 places, 284 transitions, 669 flow [2024-11-08 17:51:54,627 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=665, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=283, PETRI_TRANSITIONS=284} [2024-11-08 17:51:54,628 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -63 predicate places. [2024-11-08 17:51:54,628 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 284 transitions, 669 flow [2024-11-08 17:51:54,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.6666666666667) internal successors, (1034), 3 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:54,628 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:54,629 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:51:54,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 17:51:54,629 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread5Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:54,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:54,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1613451009, now seen corresponding path program 1 times [2024-11-08 17:51:54,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:54,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836210300] [2024-11-08 17:51:54,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:54,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:54,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:54,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836210300] [2024-11-08 17:51:54,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836210300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:54,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:54,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:54,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142536780] [2024-11-08 17:51:54,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:54,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:54,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:54,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:54,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:54,750 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 373 [2024-11-08 17:51:54,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 284 transitions, 669 flow. Second operand has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:54,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:54,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 373 [2024-11-08 17:51:54,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:56,475 INFO L124 PetriNetUnfolderBase]: 2059/9449 cut-off events. [2024-11-08 17:51:56,476 INFO L125 PetriNetUnfolderBase]: For 530/574 co-relation queries the response was YES. [2024-11-08 17:51:56,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14160 conditions, 9449 events. 2059/9449 cut-off events. For 530/574 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 107979 event pairs, 666 based on Foata normal form. 5/8424 useless extension candidates. Maximal degree in co-relation 13166. Up to 1876 conditions per place. [2024-11-08 17:51:56,634 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 26 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-08 17:51:56,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 288 transitions, 738 flow [2024-11-08 17:51:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:56,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-08 17:51:56,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.935656836461126 [2024-11-08 17:51:56,638 INFO L175 Difference]: Start difference. First operand has 283 places, 284 transitions, 669 flow. Second operand 3 states and 1047 transitions. [2024-11-08 17:51:56,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 288 transitions, 738 flow [2024-11-08 17:51:56,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 288 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:56,652 INFO L231 Difference]: Finished difference. Result has 282 places, 283 transitions, 667 flow [2024-11-08 17:51:56,652 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=667, PETRI_PLACES=282, PETRI_TRANSITIONS=283} [2024-11-08 17:51:56,653 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -64 predicate places. [2024-11-08 17:51:56,653 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 283 transitions, 667 flow [2024-11-08 17:51:56,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:56,654 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:51:56,655 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:51:56,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 17:51:56,655 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread6Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-08 17:51:56,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:51:56,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1076286524, now seen corresponding path program 1 times [2024-11-08 17:51:56,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:51:56,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357280248] [2024-11-08 17:51:56,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:51:56,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:51:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:51:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:51:56,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:51:56,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357280248] [2024-11-08 17:51:56,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357280248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:51:56,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:51:56,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:51:56,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108137147] [2024-11-08 17:51:56,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:51:56,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:51:56,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:51:56,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:51:56,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:51:56,763 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 373 [2024-11-08 17:51:56,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 283 transitions, 667 flow. Second operand has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:56,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:51:56,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 373 [2024-11-08 17:51:56,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:51:58,147 INFO L124 PetriNetUnfolderBase]: 1397/7322 cut-off events. [2024-11-08 17:51:58,148 INFO L125 PetriNetUnfolderBase]: For 294/322 co-relation queries the response was YES. [2024-11-08 17:51:58,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10417 conditions, 7322 events. 1397/7322 cut-off events. For 294/322 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 79702 event pairs, 375 based on Foata normal form. 4/6529 useless extension candidates. Maximal degree in co-relation 9625. Up to 1480 conditions per place. [2024-11-08 17:51:58,222 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 0 selfloop transitions, 0 changer transitions 287/287 dead transitions. [2024-11-08 17:51:58,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 287 transitions, 732 flow [2024-11-08 17:51:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:51:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:51:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2024-11-08 17:51:58,225 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9374441465594281 [2024-11-08 17:51:58,225 INFO L175 Difference]: Start difference. First operand has 282 places, 283 transitions, 667 flow. Second operand 3 states and 1049 transitions. [2024-11-08 17:51:58,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 287 transitions, 732 flow [2024-11-08 17:51:58,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 287 transitions, 728 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:51:58,234 INFO L231 Difference]: Finished difference. Result has 281 places, 0 transitions, 0 flow [2024-11-08 17:51:58,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=281, PETRI_TRANSITIONS=0} [2024-11-08 17:51:58,235 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -65 predicate places. [2024-11-08 17:51:58,235 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 0 transitions, 0 flow [2024-11-08 17:51:58,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:51:58,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (87 of 88 remaining) [2024-11-08 17:51:58,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (86 of 88 remaining) [2024-11-08 17:51:58,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (85 of 88 remaining) [2024-11-08 17:51:58,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (84 of 88 remaining) [2024-11-08 17:51:58,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (83 of 88 remaining) [2024-11-08 17:51:58,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (82 of 88 remaining) [2024-11-08 17:51:58,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (81 of 88 remaining) [2024-11-08 17:51:58,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (80 of 88 remaining) [2024-11-08 17:51:58,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (79 of 88 remaining) [2024-11-08 17:51:58,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (78 of 88 remaining) [2024-11-08 17:51:58,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (77 of 88 remaining) [2024-11-08 17:51:58,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (76 of 88 remaining) [2024-11-08 17:51:58,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (75 of 88 remaining) [2024-11-08 17:51:58,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (74 of 88 remaining) [2024-11-08 17:51:58,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (73 of 88 remaining) [2024-11-08 17:51:58,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 88 remaining) [2024-11-08 17:51:58,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 88 remaining) [2024-11-08 17:51:58,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 88 remaining) [2024-11-08 17:51:58,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 88 remaining) [2024-11-08 17:51:58,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 88 remaining) [2024-11-08 17:51:58,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 88 remaining) [2024-11-08 17:51:58,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 88 remaining) [2024-11-08 17:51:58,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 88 remaining) [2024-11-08 17:51:58,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 88 remaining) [2024-11-08 17:51:58,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 88 remaining) [2024-11-08 17:51:58,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (62 of 88 remaining) [2024-11-08 17:51:58,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (61 of 88 remaining) [2024-11-08 17:51:58,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (60 of 88 remaining) [2024-11-08 17:51:58,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (59 of 88 remaining) [2024-11-08 17:51:58,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (58 of 88 remaining) [2024-11-08 17:51:58,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (57 of 88 remaining) [2024-11-08 17:51:58,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (56 of 88 remaining) [2024-11-08 17:51:58,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (55 of 88 remaining) [2024-11-08 17:51:58,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (54 of 88 remaining) [2024-11-08 17:51:58,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (53 of 88 remaining) [2024-11-08 17:51:58,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (52 of 88 remaining) [2024-11-08 17:51:58,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (51 of 88 remaining) [2024-11-08 17:51:58,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 88 remaining) [2024-11-08 17:51:58,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 88 remaining) [2024-11-08 17:51:58,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 88 remaining) [2024-11-08 17:51:58,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 88 remaining) [2024-11-08 17:51:58,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 88 remaining) [2024-11-08 17:51:58,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 88 remaining) [2024-11-08 17:51:58,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (44 of 88 remaining) [2024-11-08 17:51:58,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (43 of 88 remaining) [2024-11-08 17:51:58,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (42 of 88 remaining) [2024-11-08 17:51:58,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (41 of 88 remaining) [2024-11-08 17:51:58,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (40 of 88 remaining) [2024-11-08 17:51:58,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (39 of 88 remaining) [2024-11-08 17:51:58,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (38 of 88 remaining) [2024-11-08 17:51:58,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (37 of 88 remaining) [2024-11-08 17:51:58,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (36 of 88 remaining) [2024-11-08 17:51:58,253 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (35 of 88 remaining) [2024-11-08 17:51:58,253 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (34 of 88 remaining) [2024-11-08 17:51:58,253 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (33 of 88 remaining) [2024-11-08 17:51:58,253 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (32 of 88 remaining) [2024-11-08 17:51:58,254 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (31 of 88 remaining) [2024-11-08 17:51:58,254 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE (30 of 88 remaining) [2024-11-08 17:51:58,254 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 88 remaining) [2024-11-08 17:51:58,254 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 88 remaining) [2024-11-08 17:51:58,254 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 88 remaining) [2024-11-08 17:51:58,254 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 88 remaining) [2024-11-08 17:51:58,255 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 88 remaining) [2024-11-08 17:51:58,255 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 88 remaining) [2024-11-08 17:51:58,255 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 88 remaining) [2024-11-08 17:51:58,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 88 remaining) [2024-11-08 17:51:58,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 88 remaining) [2024-11-08 17:51:58,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 88 remaining) [2024-11-08 17:51:58,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (19 of 88 remaining) [2024-11-08 17:51:58,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (18 of 88 remaining) [2024-11-08 17:51:58,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (17 of 88 remaining) [2024-11-08 17:51:58,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (16 of 88 remaining) [2024-11-08 17:51:58,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (15 of 88 remaining) [2024-11-08 17:51:58,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (14 of 88 remaining) [2024-11-08 17:51:58,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (13 of 88 remaining) [2024-11-08 17:51:58,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (12 of 88 remaining) [2024-11-08 17:51:58,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (11 of 88 remaining) [2024-11-08 17:51:58,259 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (10 of 88 remaining) [2024-11-08 17:51:58,259 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (9 of 88 remaining) [2024-11-08 17:51:58,259 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (8 of 88 remaining) [2024-11-08 17:51:58,259 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (7 of 88 remaining) [2024-11-08 17:51:58,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (6 of 88 remaining) [2024-11-08 17:51:58,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (5 of 88 remaining) [2024-11-08 17:51:58,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (4 of 88 remaining) [2024-11-08 17:51:58,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (3 of 88 remaining) [2024-11-08 17:51:58,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (2 of 88 remaining) [2024-11-08 17:51:58,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (1 of 88 remaining) [2024-11-08 17:51:58,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE (0 of 88 remaining) [2024-11-08 17:51:58,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 17:51:58,262 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:51:58,268 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:51:58,269 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:51:58,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:51:58 BasicIcfg [2024-11-08 17:51:58,275 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:51:58,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:51:58,276 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:51:58,276 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:51:58,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:51:16" (3/4) ... [2024-11-08 17:51:58,280 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:51:58,284 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-08 17:51:58,285 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-08 17:51:58,285 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-08 17:51:58,285 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-08 17:51:58,285 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-11-08 17:51:58,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2024-11-08 17:51:58,295 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-08 17:51:58,296 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 17:51:58,296 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 17:51:58,296 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:51:58,429 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:51:58,429 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:51:58,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:51:58,431 INFO L158 Benchmark]: Toolchain (without parser) took 43766.94ms. Allocated memory was 161.5MB in the beginning and 13.3GB in the end (delta: 13.1GB). Free memory was 122.2MB in the beginning and 11.6GB in the end (delta: -11.5GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-08 17:51:58,431 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:51:58,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.53ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 107.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:51:58,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.78ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:51:58,433 INFO L158 Benchmark]: Boogie Preprocessor took 55.97ms. Allocated memory is still 161.5MB. Free memory was 105.4MB in the beginning and 103.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:51:58,433 INFO L158 Benchmark]: RCFGBuilder took 1139.87ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 120.1MB in the end (delta: -16.4MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-11-08 17:51:58,434 INFO L158 Benchmark]: TraceAbstraction took 41792.03ms. Allocated memory was 161.5MB in the beginning and 13.3GB in the end (delta: 13.1GB). Free memory was 119.2MB in the beginning and 11.6GB in the end (delta: -11.5GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-11-08 17:51:58,434 INFO L158 Benchmark]: Witness Printer took 154.32ms. Allocated memory is still 13.3GB. Free memory was 11.6GB in the beginning and 11.6GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:51:58,437 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.53ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 107.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.78ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.97ms. Allocated memory is still 161.5MB. Free memory was 105.4MB in the beginning and 103.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1139.87ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 120.1MB in the end (delta: -16.4MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * TraceAbstraction took 41792.03ms. Allocated memory was 161.5MB in the beginning and 13.3GB in the end (delta: 13.1GB). Free memory was 119.2MB in the beginning and 11.6GB in the end (delta: -11.5GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 154.32ms. Allocated memory is still 13.3GB. Free memory was 11.6GB in the beginning and 11.6GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 497 locations, 88 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 41.5s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 39.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1010 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1170 IncrementalHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 202 mSDtfsCounter, 1170 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=728occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1679 NumberOfCodeBlocks, 1679 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1659 ConstructedInterpolants, 0 QuantifiedInterpolants, 1699 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:51:58,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c95476-be35-4997-8d62-b90c8ae7a1ad/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE