./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:00:59,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:00:59,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 07:00:59,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:00:59,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:00:59,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:00:59,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:00:59,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:00:59,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:00:59,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:00:59,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:00:59,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:00:59,659 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:00:59,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:00:59,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:00:59,661 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 07:00:59,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 07:00:59,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 07:00:59,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:00:59,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:00:59,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:00:59,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:00:59,664 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 07:00:59,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 07:00:59,665 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 07:00:59,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:00:59,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:00:59,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:00:59,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:00:59,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:00:59,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:00:59,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:00:59,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:00:59,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:00:59,669 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 07:00:59,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 07:00:59,670 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:00:59,670 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:00:59,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:00:59,670 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:00:59,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:00:59,671 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_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac [2023-11-29 07:00:59,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:00:59,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:00:59,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:00:59,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:00:59,923 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:00:59,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2023-11-29 07:01:02,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:01:02,903 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:01:02,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2023-11-29 07:01:02,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/data/b7f6a9997/1ee6d839b240470ab7ee1a0c6590b0d7/FLAGdab7c5234 [2023-11-29 07:01:02,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/data/b7f6a9997/1ee6d839b240470ab7ee1a0c6590b0d7 [2023-11-29 07:01:02,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:01:02,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:01:02,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:01:02,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:01:02,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:01:02,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:01:02" (1/1) ... [2023-11-29 07:01:02,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8175c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:02, skipping insertion in model container [2023-11-29 07:01:02,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:01:02" (1/1) ... [2023-11-29 07:01:02,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:01:03,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:01:03,177 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:01:03,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:01:03,230 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:01:03,230 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 07:01:03,236 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:01:03,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03 WrapperNode [2023-11-29 07:01:03,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:01:03,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:01:03,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:01:03,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:01:03,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,299 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 566 [2023-11-29 07:01:03,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:01:03,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:01:03,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:01:03,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:01:03,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:01:03,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:01:03,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:01:03,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:01:03,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (1/1) ... [2023-11-29 07:01:03,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:01:03,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:01:03,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:01:03,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:01:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:01:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 07:01:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 07:01:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 07:01:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 07:01:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 07:01:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 07:01:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 07:01:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 07:01:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 07:01:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 07:01:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 07:01:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 07:01:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 07:01:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:01:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:01:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 07:01:03,429 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 07:01:03,557 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:01:03,559 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:01:04,285 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:01:04,647 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:01:04,647 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-29 07:01:04,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:01:04 BoogieIcfgContainer [2023-11-29 07:01:04,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:01:04,651 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:01:04,651 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:01:04,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:01:04,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:01:02" (1/3) ... [2023-11-29 07:01:04,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174fd02c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:01:04, skipping insertion in model container [2023-11-29 07:01:04,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:03" (2/3) ... [2023-11-29 07:01:04,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174fd02c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:01:04, skipping insertion in model container [2023-11-29 07:01:04,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:01:04" (3/3) ... [2023-11-29 07:01:04,657 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2023-11-29 07:01:04,664 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 07:01:04,672 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:01:04,672 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 89 error locations. [2023-11-29 07:01:04,672 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 07:01:04,797 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 07:01:04,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 469 places, 479 transitions, 979 flow [2023-11-29 07:01:04,978 INFO L124 PetriNetUnfolderBase]: 20/476 cut-off events. [2023-11-29 07:01:04,978 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 07:01:04,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 476 events. 20/476 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 884 event pairs, 0 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 353. Up to 3 conditions per place. [2023-11-29 07:01:04,987 INFO L82 GeneralOperation]: Start removeDead. Operand has 469 places, 479 transitions, 979 flow [2023-11-29 07:01:05,001 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 441 places, 449 transitions, 916 flow [2023-11-29 07:01:05,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:01:05,016 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@533d26ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:01:05,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 155 error locations. [2023-11-29 07:01:05,022 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 07:01:05,022 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-29 07:01:05,022 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 07:01:05,023 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:05,023 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:05,024 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:05,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:05,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1469782466, now seen corresponding path program 1 times [2023-11-29 07:01:05,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:05,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866589164] [2023-11-29 07:01:05,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:05,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:05,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:05,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:05,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866589164] [2023-11-29 07:01:05,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866589164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:05,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:05,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:05,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619765504] [2023-11-29 07:01:05,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:05,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:05,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:05,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:05,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:05,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 479 [2023-11-29 07:01:05,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 449 transitions, 916 flow. Second operand has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:05,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:05,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 479 [2023-11-29 07:01:05,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:05,788 INFO L124 PetriNetUnfolderBase]: 165/1642 cut-off events. [2023-11-29 07:01:05,788 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2023-11-29 07:01:05,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1967 conditions, 1642 events. 165/1642 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 11051 event pairs, 128 based on Foata normal form. 80/1445 useless extension candidates. Maximal degree in co-relation 1491. Up to 251 conditions per place. [2023-11-29 07:01:05,810 INFO L140 encePairwiseOnDemand]: 420/479 looper letters, 18 selfloop transitions, 2 changer transitions 5/392 dead transitions. [2023-11-29 07:01:05,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 392 transitions, 842 flow [2023-11-29 07:01:05,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1274 transitions. [2023-11-29 07:01:05,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8865692414752957 [2023-11-29 07:01:05,828 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1274 transitions. [2023-11-29 07:01:05,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1274 transitions. [2023-11-29 07:01:05,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:05,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1274 transitions. [2023-11-29 07:01:05,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:05,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:05,849 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:05,850 INFO L175 Difference]: Start difference. First operand has 441 places, 449 transitions, 916 flow. Second operand 3 states and 1274 transitions. [2023-11-29 07:01:05,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 392 transitions, 842 flow [2023-11-29 07:01:05,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 392 transitions, 830 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 07:01:05,869 INFO L231 Difference]: Finished difference. Result has 392 places, 387 transitions, 784 flow [2023-11-29 07:01:05,872 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=392, PETRI_TRANSITIONS=387} [2023-11-29 07:01:05,875 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -49 predicate places. [2023-11-29 07:01:05,876 INFO L495 AbstractCegarLoop]: Abstraction has has 392 places, 387 transitions, 784 flow [2023-11-29 07:01:05,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:05,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:05,877 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:05,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 07:01:05,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:05,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:05,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1980121765, now seen corresponding path program 1 times [2023-11-29 07:01:05,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:05,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419388230] [2023-11-29 07:01:05,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:05,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:05,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:05,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419388230] [2023-11-29 07:01:05,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419388230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:05,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:05,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:05,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268543169] [2023-11-29 07:01:05,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:05,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:05,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:05,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:05,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:05,976 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 479 [2023-11-29 07:01:05,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 387 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:05,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:05,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 479 [2023-11-29 07:01:05,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:06,291 INFO L124 PetriNetUnfolderBase]: 86/1213 cut-off events. [2023-11-29 07:01:06,291 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-29 07:01:06,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 1213 events. 86/1213 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6760 event pairs, 51 based on Foata normal form. 0/988 useless extension candidates. Maximal degree in co-relation 1328. Up to 131 conditions per place. [2023-11-29 07:01:06,304 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 17 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2023-11-29 07:01:06,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 386 transitions, 820 flow [2023-11-29 07:01:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:06,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:06,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2023-11-29 07:01:06,310 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.848990953375087 [2023-11-29 07:01:06,310 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2023-11-29 07:01:06,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2023-11-29 07:01:06,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:06,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2023-11-29 07:01:06,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:06,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:06,322 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:06,323 INFO L175 Difference]: Start difference. First operand has 392 places, 387 transitions, 784 flow. Second operand 3 states and 1220 transitions. [2023-11-29 07:01:06,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 386 transitions, 820 flow [2023-11-29 07:01:06,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 386 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:06,334 INFO L231 Difference]: Finished difference. Result has 386 places, 386 transitions, 782 flow [2023-11-29 07:01:06,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=386, PETRI_TRANSITIONS=386} [2023-11-29 07:01:06,336 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -55 predicate places. [2023-11-29 07:01:06,336 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 386 transitions, 782 flow [2023-11-29 07:01:06,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:06,338 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:06,338 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:06,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 07:01:06,339 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:06,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:06,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1696282269, now seen corresponding path program 1 times [2023-11-29 07:01:06,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:06,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930302597] [2023-11-29 07:01:06,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:06,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:06,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:06,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930302597] [2023-11-29 07:01:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930302597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:06,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:06,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:06,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194715202] [2023-11-29 07:01:06,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:06,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:06,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:06,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:06,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:06,414 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-29 07:01:06,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 386 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:06,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:06,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-29 07:01:06,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:06,638 INFO L124 PetriNetUnfolderBase]: 59/974 cut-off events. [2023-11-29 07:01:06,639 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-29 07:01:06,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 974 events. 59/974 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4924 event pairs, 38 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 1036. Up to 90 conditions per place. [2023-11-29 07:01:06,649 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2023-11-29 07:01:06,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 385 transitions, 814 flow [2023-11-29 07:01:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2023-11-29 07:01:06,654 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8517745302713987 [2023-11-29 07:01:06,655 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2023-11-29 07:01:06,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2023-11-29 07:01:06,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:06,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2023-11-29 07:01:06,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:06,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:06,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:06,667 INFO L175 Difference]: Start difference. First operand has 386 places, 386 transitions, 782 flow. Second operand 3 states and 1224 transitions. [2023-11-29 07:01:06,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 385 transitions, 814 flow [2023-11-29 07:01:06,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 385 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:06,677 INFO L231 Difference]: Finished difference. Result has 385 places, 385 transitions, 780 flow [2023-11-29 07:01:06,678 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=385, PETRI_TRANSITIONS=385} [2023-11-29 07:01:06,679 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -56 predicate places. [2023-11-29 07:01:06,679 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 385 transitions, 780 flow [2023-11-29 07:01:06,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:06,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:06,681 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:06,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 07:01:06,681 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:06,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:06,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1176373652, now seen corresponding path program 1 times [2023-11-29 07:01:06,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:06,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224929745] [2023-11-29 07:01:06,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:06,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:06,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224929745] [2023-11-29 07:01:06,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224929745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:06,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:06,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:06,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336805253] [2023-11-29 07:01:06,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:06,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:06,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:06,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:06,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:06,752 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-29 07:01:06,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 385 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:06,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:06,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-29 07:01:06,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:06,999 INFO L124 PetriNetUnfolderBase]: 59/973 cut-off events. [2023-11-29 07:01:06,999 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-29 07:01:07,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1082 conditions, 973 events. 59/973 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4912 event pairs, 38 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 1027. Up to 90 conditions per place. [2023-11-29 07:01:07,008 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2023-11-29 07:01:07,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 384 transitions, 812 flow [2023-11-29 07:01:07,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:07,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2023-11-29 07:01:07,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8517745302713987 [2023-11-29 07:01:07,013 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2023-11-29 07:01:07,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2023-11-29 07:01:07,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:07,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2023-11-29 07:01:07,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,025 INFO L175 Difference]: Start difference. First operand has 385 places, 385 transitions, 780 flow. Second operand 3 states and 1224 transitions. [2023-11-29 07:01:07,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 384 transitions, 812 flow [2023-11-29 07:01:07,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 384 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:07,035 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 778 flow [2023-11-29 07:01:07,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2023-11-29 07:01:07,037 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -57 predicate places. [2023-11-29 07:01:07,037 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 778 flow [2023-11-29 07:01:07,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:07,039 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:07,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 07:01:07,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:07,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:07,040 INFO L85 PathProgramCache]: Analyzing trace with hash 623520068, now seen corresponding path program 1 times [2023-11-29 07:01:07,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:07,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654655986] [2023-11-29 07:01:07,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:07,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:07,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:07,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654655986] [2023-11-29 07:01:07,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654655986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:07,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:07,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:07,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666091080] [2023-11-29 07:01:07,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:07,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:07,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:07,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:07,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:07,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-29 07:01:07,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:07,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-29 07:01:07,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:07,333 INFO L124 PetriNetUnfolderBase]: 59/972 cut-off events. [2023-11-29 07:01:07,334 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-29 07:01:07,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 972 events. 59/972 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4951 event pairs, 38 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 1018. Up to 90 conditions per place. [2023-11-29 07:01:07,345 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2023-11-29 07:01:07,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 383 transitions, 810 flow [2023-11-29 07:01:07,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2023-11-29 07:01:07,350 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8517745302713987 [2023-11-29 07:01:07,350 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2023-11-29 07:01:07,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2023-11-29 07:01:07,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:07,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2023-11-29 07:01:07,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,361 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,361 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 778 flow. Second operand 3 states and 1224 transitions. [2023-11-29 07:01:07,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 383 transitions, 810 flow [2023-11-29 07:01:07,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 383 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:07,370 INFO L231 Difference]: Finished difference. Result has 383 places, 383 transitions, 776 flow [2023-11-29 07:01:07,371 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=383, PETRI_TRANSITIONS=383} [2023-11-29 07:01:07,372 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -58 predicate places. [2023-11-29 07:01:07,372 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 383 transitions, 776 flow [2023-11-29 07:01:07,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,374 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:07,374 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:07,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 07:01:07,374 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:07,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:07,375 INFO L85 PathProgramCache]: Analyzing trace with hash -929552811, now seen corresponding path program 1 times [2023-11-29 07:01:07,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:07,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592842802] [2023-11-29 07:01:07,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:07,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:07,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:07,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592842802] [2023-11-29 07:01:07,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592842802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:07,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:07,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:07,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393439409] [2023-11-29 07:01:07,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:07,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:07,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:07,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:07,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:07,433 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 479 [2023-11-29 07:01:07,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 383 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:07,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 479 [2023-11-29 07:01:07,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:07,628 INFO L124 PetriNetUnfolderBase]: 56/850 cut-off events. [2023-11-29 07:01:07,628 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-29 07:01:07,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 959 conditions, 850 events. 56/850 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3727 event pairs, 7 based on Foata normal form. 0/723 useless extension candidates. Maximal degree in co-relation 888. Up to 69 conditions per place. [2023-11-29 07:01:07,644 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 18 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2023-11-29 07:01:07,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 388 transitions, 828 flow [2023-11-29 07:01:07,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2023-11-29 07:01:07,648 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8622129436325678 [2023-11-29 07:01:07,648 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1239 transitions. [2023-11-29 07:01:07,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1239 transitions. [2023-11-29 07:01:07,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:07,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1239 transitions. [2023-11-29 07:01:07,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,659 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,659 INFO L175 Difference]: Start difference. First operand has 383 places, 383 transitions, 776 flow. Second operand 3 states and 1239 transitions. [2023-11-29 07:01:07,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 388 transitions, 828 flow [2023-11-29 07:01:07,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 388 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:07,668 INFO L231 Difference]: Finished difference. Result has 383 places, 383 transitions, 780 flow [2023-11-29 07:01:07,669 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=383, PETRI_TRANSITIONS=383} [2023-11-29 07:01:07,672 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -58 predicate places. [2023-11-29 07:01:07,672 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 383 transitions, 780 flow [2023-11-29 07:01:07,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,674 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:07,674 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:07,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 07:01:07,674 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:07,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:07,675 INFO L85 PathProgramCache]: Analyzing trace with hash -615494410, now seen corresponding path program 1 times [2023-11-29 07:01:07,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:07,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356370589] [2023-11-29 07:01:07,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:07,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:07,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:07,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:07,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356370589] [2023-11-29 07:01:07,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356370589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:07,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:07,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:07,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223141905] [2023-11-29 07:01:07,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:07,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:07,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:07,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:07,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:07,746 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-29 07:01:07,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 383 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:07,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-29 07:01:07,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:07,973 INFO L124 PetriNetUnfolderBase]: 59/976 cut-off events. [2023-11-29 07:01:07,973 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-29 07:01:07,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1120 conditions, 976 events. 59/976 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4978 event pairs, 38 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 422. Up to 92 conditions per place. [2023-11-29 07:01:07,983 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2023-11-29 07:01:07,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 382 transitions, 812 flow [2023-11-29 07:01:07,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-29 07:01:07,988 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-29 07:01:07,988 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-29 07:01:07,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-29 07:01:07,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:07,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-29 07:01:07,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,999 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:07,999 INFO L175 Difference]: Start difference. First operand has 383 places, 383 transitions, 780 flow. Second operand 3 states and 1226 transitions. [2023-11-29 07:01:07,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 382 transitions, 812 flow [2023-11-29 07:01:08,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 382 transitions, 810 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 07:01:08,010 INFO L231 Difference]: Finished difference. Result has 383 places, 382 transitions, 780 flow [2023-11-29 07:01:08,011 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=383, PETRI_TRANSITIONS=382} [2023-11-29 07:01:08,012 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -58 predicate places. [2023-11-29 07:01:08,012 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 382 transitions, 780 flow [2023-11-29 07:01:08,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,013 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:08,013 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:08,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 07:01:08,014 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:08,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:08,014 INFO L85 PathProgramCache]: Analyzing trace with hash -862750518, now seen corresponding path program 1 times [2023-11-29 07:01:08,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:08,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155289944] [2023-11-29 07:01:08,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:08,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:08,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:08,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155289944] [2023-11-29 07:01:08,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155289944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:08,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:08,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:08,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626642120] [2023-11-29 07:01:08,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:08,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:08,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:08,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:08,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:08,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-29 07:01:08,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 382 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:08,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-29 07:01:08,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:08,309 INFO L124 PetriNetUnfolderBase]: 59/975 cut-off events. [2023-11-29 07:01:08,309 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2023-11-29 07:01:08,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 975 events. 59/975 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4991 event pairs, 38 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 1031. Up to 93 conditions per place. [2023-11-29 07:01:08,319 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 16 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2023-11-29 07:01:08,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 381 transitions, 814 flow [2023-11-29 07:01:08,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:08,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2023-11-29 07:01:08,323 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8517745302713987 [2023-11-29 07:01:08,323 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2023-11-29 07:01:08,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2023-11-29 07:01:08,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:08,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2023-11-29 07:01:08,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,333 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,333 INFO L175 Difference]: Start difference. First operand has 383 places, 382 transitions, 780 flow. Second operand 3 states and 1224 transitions. [2023-11-29 07:01:08,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 381 transitions, 814 flow [2023-11-29 07:01:08,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 381 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:08,342 INFO L231 Difference]: Finished difference. Result has 382 places, 381 transitions, 778 flow [2023-11-29 07:01:08,343 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=382, PETRI_TRANSITIONS=381} [2023-11-29 07:01:08,343 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -59 predicate places. [2023-11-29 07:01:08,343 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 381 transitions, 778 flow [2023-11-29 07:01:08,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,344 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:08,345 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:08,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 07:01:08,345 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:08,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:08,346 INFO L85 PathProgramCache]: Analyzing trace with hash -206222175, now seen corresponding path program 1 times [2023-11-29 07:01:08,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:08,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011021548] [2023-11-29 07:01:08,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:08,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:08,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:08,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011021548] [2023-11-29 07:01:08,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011021548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:08,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:08,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:08,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615375721] [2023-11-29 07:01:08,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:08,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:08,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:08,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:08,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:08,399 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 479 [2023-11-29 07:01:08,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 381 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:08,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 479 [2023-11-29 07:01:08,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:08,616 INFO L124 PetriNetUnfolderBase]: 66/1047 cut-off events. [2023-11-29 07:01:08,617 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-29 07:01:08,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1193 conditions, 1047 events. 66/1047 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5399 event pairs, 20 based on Foata normal form. 0/883 useless extension candidates. Maximal degree in co-relation 1105. Up to 54 conditions per place. [2023-11-29 07:01:08,626 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 21 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2023-11-29 07:01:08,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 388 transitions, 844 flow [2023-11-29 07:01:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1240 transitions. [2023-11-29 07:01:08,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8629088378566457 [2023-11-29 07:01:08,631 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1240 transitions. [2023-11-29 07:01:08,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1240 transitions. [2023-11-29 07:01:08,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:08,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1240 transitions. [2023-11-29 07:01:08,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,640 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,640 INFO L175 Difference]: Start difference. First operand has 382 places, 381 transitions, 778 flow. Second operand 3 states and 1240 transitions. [2023-11-29 07:01:08,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 388 transitions, 844 flow [2023-11-29 07:01:08,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 388 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:08,648 INFO L231 Difference]: Finished difference. Result has 382 places, 381 transitions, 782 flow [2023-11-29 07:01:08,649 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=382, PETRI_TRANSITIONS=381} [2023-11-29 07:01:08,650 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -59 predicate places. [2023-11-29 07:01:08,650 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 381 transitions, 782 flow [2023-11-29 07:01:08,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,651 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:08,651 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:08,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 07:01:08,652 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:08,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:08,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1274217567, now seen corresponding path program 1 times [2023-11-29 07:01:08,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:08,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874484598] [2023-11-29 07:01:08,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:08,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:08,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:08,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874484598] [2023-11-29 07:01:08,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874484598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:08,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:08,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:08,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046234877] [2023-11-29 07:01:08,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:08,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:08,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:08,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:08,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:08,699 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-29 07:01:08,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 381 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:08,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-29 07:01:08,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:08,897 INFO L124 PetriNetUnfolderBase]: 66/992 cut-off events. [2023-11-29 07:01:08,897 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2023-11-29 07:01:08,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 992 events. 66/992 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5094 event pairs, 38 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 655. Up to 105 conditions per place. [2023-11-29 07:01:08,907 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 16 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2023-11-29 07:01:08,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 380 transitions, 816 flow [2023-11-29 07:01:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-29 07:01:08,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-29 07:01:08,911 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-29 07:01:08,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-29 07:01:08,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:08,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-29 07:01:08,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,919 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,919 INFO L175 Difference]: Start difference. First operand has 382 places, 381 transitions, 782 flow. Second operand 3 states and 1226 transitions. [2023-11-29 07:01:08,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 380 transitions, 816 flow [2023-11-29 07:01:08,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 380 transitions, 814 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 07:01:08,927 INFO L231 Difference]: Finished difference. Result has 382 places, 380 transitions, 782 flow [2023-11-29 07:01:08,927 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=382, PETRI_TRANSITIONS=380} [2023-11-29 07:01:08,928 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -59 predicate places. [2023-11-29 07:01:08,928 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 380 transitions, 782 flow [2023-11-29 07:01:08,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,929 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:08,929 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:08,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 07:01:08,929 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:08,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:08,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1296096532, now seen corresponding path program 1 times [2023-11-29 07:01:08,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:08,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483887108] [2023-11-29 07:01:08,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:08,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:08,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:08,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:08,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483887108] [2023-11-29 07:01:08,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483887108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:08,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:08,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:08,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472215848] [2023-11-29 07:01:08,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:08,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:08,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:08,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:08,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:08,974 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 479 [2023-11-29 07:01:08,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 380 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:08,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:08,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 479 [2023-11-29 07:01:08,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:09,176 INFO L124 PetriNetUnfolderBase]: 66/991 cut-off events. [2023-11-29 07:01:09,176 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-29 07:01:09,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 991 events. 66/991 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5094 event pairs, 38 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 1068. Up to 103 conditions per place. [2023-11-29 07:01:09,186 INFO L140 encePairwiseOnDemand]: 477/479 looper letters, 15 selfloop transitions, 1 changer transitions 0/379 dead transitions. [2023-11-29 07:01:09,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 379 transitions, 812 flow [2023-11-29 07:01:09,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2023-11-29 07:01:09,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8580375782881002 [2023-11-29 07:01:09,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1233 transitions. [2023-11-29 07:01:09,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1233 transitions. [2023-11-29 07:01:09,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:09,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1233 transitions. [2023-11-29 07:01:09,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:09,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:09,198 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:09,198 INFO L175 Difference]: Start difference. First operand has 382 places, 380 transitions, 782 flow. Second operand 3 states and 1233 transitions. [2023-11-29 07:01:09,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 379 transitions, 812 flow [2023-11-29 07:01:09,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 379 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:09,206 INFO L231 Difference]: Finished difference. Result has 381 places, 379 transitions, 778 flow [2023-11-29 07:01:09,207 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=381, PETRI_TRANSITIONS=379} [2023-11-29 07:01:09,207 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -60 predicate places. [2023-11-29 07:01:09,208 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 379 transitions, 778 flow [2023-11-29 07:01:09,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:09,208 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:09,208 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:09,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 07:01:09,209 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:09,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:09,209 INFO L85 PathProgramCache]: Analyzing trace with hash 394679387, now seen corresponding path program 1 times [2023-11-29 07:01:09,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:09,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598381844] [2023-11-29 07:01:09,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:09,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:09,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:09,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598381844] [2023-11-29 07:01:09,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598381844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:09,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:09,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:09,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454996674] [2023-11-29 07:01:09,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:09,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:09,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:09,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:09,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:09,272 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-29 07:01:09,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 379 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:09,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:09,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-29 07:01:09,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:09,482 INFO L124 PetriNetUnfolderBase]: 66/990 cut-off events. [2023-11-29 07:01:09,482 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-29 07:01:09,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 990 events. 66/990 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5088 event pairs, 38 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 1068. Up to 105 conditions per place. [2023-11-29 07:01:09,487 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 16 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2023-11-29 07:01:09,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 378 transitions, 812 flow [2023-11-29 07:01:09,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:09,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:09,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-29 07:01:09,491 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-29 07:01:09,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-29 07:01:09,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-29 07:01:09,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:09,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-29 07:01:09,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:09,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:09,497 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:09,497 INFO L175 Difference]: Start difference. First operand has 381 places, 379 transitions, 778 flow. Second operand 3 states and 1226 transitions. [2023-11-29 07:01:09,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 378 transitions, 812 flow [2023-11-29 07:01:09,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 378 transitions, 811 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 07:01:09,503 INFO L231 Difference]: Finished difference. Result has 381 places, 378 transitions, 779 flow [2023-11-29 07:01:09,503 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=779, PETRI_PLACES=381, PETRI_TRANSITIONS=378} [2023-11-29 07:01:09,504 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -60 predicate places. [2023-11-29 07:01:09,504 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 378 transitions, 779 flow [2023-11-29 07:01:09,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:09,505 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:09,505 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:09,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 07:01:09,505 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:09,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:09,506 INFO L85 PathProgramCache]: Analyzing trace with hash -477710980, now seen corresponding path program 1 times [2023-11-29 07:01:09,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:09,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145583481] [2023-11-29 07:01:09,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:09,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:09,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:09,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:09,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145583481] [2023-11-29 07:01:09,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145583481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:09,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:09,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:01:09,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128134277] [2023-11-29 07:01:09,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:09,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:01:09,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:09,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:01:09,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:01:10,191 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 479 [2023-11-29 07:01:10,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 378 transitions, 779 flow. Second operand has 6 states, 6 states have (on average 371.5) internal successors, (2229), 6 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:10,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 479 [2023-11-29 07:01:10,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:10,542 INFO L124 PetriNetUnfolderBase]: 314/1446 cut-off events. [2023-11-29 07:01:10,542 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2023-11-29 07:01:10,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2164 conditions, 1446 events. 314/1446 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8831 event pairs, 202 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 2068. Up to 470 conditions per place. [2023-11-29 07:01:10,557 INFO L140 encePairwiseOnDemand]: 467/479 looper letters, 41 selfloop transitions, 10 changer transitions 0/376 dead transitions. [2023-11-29 07:01:10,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 376 transitions, 877 flow [2023-11-29 07:01:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:01:10,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 07:01:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2271 transitions. [2023-11-29 07:01:10,565 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7901878914405011 [2023-11-29 07:01:10,565 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2271 transitions. [2023-11-29 07:01:10,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2271 transitions. [2023-11-29 07:01:10,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:10,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2271 transitions. [2023-11-29 07:01:10,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 378.5) internal successors, (2271), 6 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,576 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,576 INFO L175 Difference]: Start difference. First operand has 381 places, 378 transitions, 779 flow. Second operand 6 states and 2271 transitions. [2023-11-29 07:01:10,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 376 transitions, 877 flow [2023-11-29 07:01:10,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 376 transitions, 873 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:10,582 INFO L231 Difference]: Finished difference. Result has 382 places, 376 transitions, 791 flow [2023-11-29 07:01:10,582 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=382, PETRI_TRANSITIONS=376} [2023-11-29 07:01:10,583 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -59 predicate places. [2023-11-29 07:01:10,583 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 376 transitions, 791 flow [2023-11-29 07:01:10,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 371.5) internal successors, (2229), 6 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,584 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:10,584 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:10,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 07:01:10,584 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:10,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:10,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1939166804, now seen corresponding path program 1 times [2023-11-29 07:01:10,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:10,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312995719] [2023-11-29 07:01:10,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:10,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:10,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:10,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312995719] [2023-11-29 07:01:10,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312995719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:10,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:10,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:10,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587603101] [2023-11-29 07:01:10,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:10,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:10,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:10,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:10,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:10,636 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 479 [2023-11-29 07:01:10,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 376 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:10,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 479 [2023-11-29 07:01:10,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:10,787 INFO L124 PetriNetUnfolderBase]: 66/987 cut-off events. [2023-11-29 07:01:10,787 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-29 07:01:10,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1170 conditions, 987 events. 66/987 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5080 event pairs, 38 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 1135. Up to 103 conditions per place. [2023-11-29 07:01:10,794 INFO L140 encePairwiseOnDemand]: 477/479 looper letters, 15 selfloop transitions, 1 changer transitions 0/375 dead transitions. [2023-11-29 07:01:10,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 375 transitions, 821 flow [2023-11-29 07:01:10,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:10,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2023-11-29 07:01:10,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8580375782881002 [2023-11-29 07:01:10,799 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1233 transitions. [2023-11-29 07:01:10,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1233 transitions. [2023-11-29 07:01:10,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:10,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1233 transitions. [2023-11-29 07:01:10,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,805 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,805 INFO L175 Difference]: Start difference. First operand has 382 places, 376 transitions, 791 flow. Second operand 3 states and 1233 transitions. [2023-11-29 07:01:10,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 375 transitions, 821 flow [2023-11-29 07:01:10,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 375 transitions, 801 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 07:01:10,812 INFO L231 Difference]: Finished difference. Result has 378 places, 375 transitions, 771 flow [2023-11-29 07:01:10,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=771, PETRI_PLACES=378, PETRI_TRANSITIONS=375} [2023-11-29 07:01:10,813 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -63 predicate places. [2023-11-29 07:01:10,813 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 375 transitions, 771 flow [2023-11-29 07:01:10,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:10,814 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:10,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 07:01:10,814 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:10,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:10,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1387000607, now seen corresponding path program 1 times [2023-11-29 07:01:10,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:10,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965740296] [2023-11-29 07:01:10,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:10,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:10,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:10,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965740296] [2023-11-29 07:01:10,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965740296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:10,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:10,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:10,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909012721] [2023-11-29 07:01:10,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:10,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:10,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:10,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:10,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:10,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-29 07:01:10,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 375 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:10,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:10,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-29 07:01:10,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:11,061 INFO L124 PetriNetUnfolderBase]: 66/986 cut-off events. [2023-11-29 07:01:11,061 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-29 07:01:11,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 986 events. 66/986 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5099 event pairs, 38 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 1065. Up to 105 conditions per place. [2023-11-29 07:01:11,069 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 16 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2023-11-29 07:01:11,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 374 transitions, 805 flow [2023-11-29 07:01:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:11,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-29 07:01:11,074 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-29 07:01:11,075 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-29 07:01:11,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-29 07:01:11,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:11,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-29 07:01:11,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,106 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,106 INFO L175 Difference]: Start difference. First operand has 378 places, 375 transitions, 771 flow. Second operand 3 states and 1226 transitions. [2023-11-29 07:01:11,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 374 transitions, 805 flow [2023-11-29 07:01:11,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 374 transitions, 804 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 07:01:11,114 INFO L231 Difference]: Finished difference. Result has 378 places, 374 transitions, 772 flow [2023-11-29 07:01:11,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=378, PETRI_TRANSITIONS=374} [2023-11-29 07:01:11,116 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -63 predicate places. [2023-11-29 07:01:11,116 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 374 transitions, 772 flow [2023-11-29 07:01:11,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:11,117 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:11,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 07:01:11,117 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:11,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:11,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1772714159, now seen corresponding path program 1 times [2023-11-29 07:01:11,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:11,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296828785] [2023-11-29 07:01:11,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:11,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:11,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:11,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296828785] [2023-11-29 07:01:11,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296828785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:11,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:11,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:11,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399773137] [2023-11-29 07:01:11,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:11,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:11,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:11,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:11,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:11,190 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 479 [2023-11-29 07:01:11,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 374 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:11,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 479 [2023-11-29 07:01:11,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:11,440 INFO L124 PetriNetUnfolderBase]: 113/1358 cut-off events. [2023-11-29 07:01:11,440 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2023-11-29 07:01:11,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1634 conditions, 1358 events. 113/1358 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8305 event pairs, 64 based on Foata normal form. 1/1115 useless extension candidates. Maximal degree in co-relation 1537. Up to 171 conditions per place. [2023-11-29 07:01:11,451 INFO L140 encePairwiseOnDemand]: 475/479 looper letters, 17 selfloop transitions, 1 changer transitions 2/371 dead transitions. [2023-11-29 07:01:11,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 371 transitions, 804 flow [2023-11-29 07:01:11,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2023-11-29 07:01:11,457 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.848990953375087 [2023-11-29 07:01:11,457 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2023-11-29 07:01:11,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2023-11-29 07:01:11,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:11,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2023-11-29 07:01:11,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,466 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,466 INFO L175 Difference]: Start difference. First operand has 378 places, 374 transitions, 772 flow. Second operand 3 states and 1220 transitions. [2023-11-29 07:01:11,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 371 transitions, 804 flow [2023-11-29 07:01:11,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 371 transitions, 800 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:11,475 INFO L231 Difference]: Finished difference. Result has 375 places, 369 transitions, 760 flow [2023-11-29 07:01:11,475 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=375, PETRI_TRANSITIONS=369} [2023-11-29 07:01:11,476 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -66 predicate places. [2023-11-29 07:01:11,476 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 369 transitions, 760 flow [2023-11-29 07:01:11,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,477 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:11,477 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:11,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 07:01:11,477 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:11,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:11,478 INFO L85 PathProgramCache]: Analyzing trace with hash -719249745, now seen corresponding path program 1 times [2023-11-29 07:01:11,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:11,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244863221] [2023-11-29 07:01:11,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:11,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:11,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:11,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244863221] [2023-11-29 07:01:11,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244863221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:11,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:11,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:11,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347224744] [2023-11-29 07:01:11,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:11,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:11,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:11,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:11,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:11,572 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 479 [2023-11-29 07:01:11,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 369 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:11,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 479 [2023-11-29 07:01:11,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:11,846 INFO L124 PetriNetUnfolderBase]: 198/1561 cut-off events. [2023-11-29 07:01:11,846 INFO L125 PetriNetUnfolderBase]: For 129/129 co-relation queries the response was YES. [2023-11-29 07:01:11,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2025 conditions, 1561 events. 198/1561 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 10324 event pairs, 64 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 1929. Up to 178 conditions per place. [2023-11-29 07:01:11,856 INFO L140 encePairwiseOnDemand]: 470/479 looper letters, 25 selfloop transitions, 5 changer transitions 0/372 dead transitions. [2023-11-29 07:01:11,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 372 transitions, 836 flow [2023-11-29 07:01:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2023-11-29 07:01:11,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8475991649269311 [2023-11-29 07:01:11,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2023-11-29 07:01:11,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2023-11-29 07:01:11,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:11,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2023-11-29 07:01:11,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,866 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,866 INFO L175 Difference]: Start difference. First operand has 375 places, 369 transitions, 760 flow. Second operand 3 states and 1218 transitions. [2023-11-29 07:01:11,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 372 transitions, 836 flow [2023-11-29 07:01:11,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 372 transitions, 835 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 07:01:11,872 INFO L231 Difference]: Finished difference. Result has 370 places, 365 transitions, 761 flow [2023-11-29 07:01:11,873 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=751, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=761, PETRI_PLACES=370, PETRI_TRANSITIONS=365} [2023-11-29 07:01:11,873 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -71 predicate places. [2023-11-29 07:01:11,873 INFO L495 AbstractCegarLoop]: Abstraction has has 370 places, 365 transitions, 761 flow [2023-11-29 07:01:11,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,873 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:11,874 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:11,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 07:01:11,874 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:11,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:11,874 INFO L85 PathProgramCache]: Analyzing trace with hash 290788946, now seen corresponding path program 1 times [2023-11-29 07:01:11,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:11,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113750210] [2023-11-29 07:01:11,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:11,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:11,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:11,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113750210] [2023-11-29 07:01:11,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113750210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:11,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:11,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:11,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737797989] [2023-11-29 07:01:11,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:11,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:11,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:11,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:11,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:11,955 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 479 [2023-11-29 07:01:11,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 365 transitions, 761 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:11,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:11,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 479 [2023-11-29 07:01:11,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:12,546 INFO L124 PetriNetUnfolderBase]: 490/2542 cut-off events. [2023-11-29 07:01:12,547 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2023-11-29 07:01:12,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3557 conditions, 2542 events. 490/2542 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 19667 event pairs, 104 based on Foata normal form. 0/2216 useless extension candidates. Maximal degree in co-relation 3460. Up to 661 conditions per place. [2023-11-29 07:01:12,567 INFO L140 encePairwiseOnDemand]: 471/479 looper letters, 29 selfloop transitions, 4 changer transitions 0/372 dead transitions. [2023-11-29 07:01:12,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 372 transitions, 847 flow [2023-11-29 07:01:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-29 07:01:12,572 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-29 07:01:12,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-29 07:01:12,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-29 07:01:12,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:12,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-29 07:01:12,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:12,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:12,581 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:12,581 INFO L175 Difference]: Start difference. First operand has 370 places, 365 transitions, 761 flow. Second operand 3 states and 1226 transitions. [2023-11-29 07:01:12,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 372 transitions, 847 flow [2023-11-29 07:01:12,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 372 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:12,590 INFO L231 Difference]: Finished difference. Result has 367 places, 365 transitions, 771 flow [2023-11-29 07:01:12,591 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=743, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=771, PETRI_PLACES=367, PETRI_TRANSITIONS=365} [2023-11-29 07:01:12,591 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -74 predicate places. [2023-11-29 07:01:12,592 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 365 transitions, 771 flow [2023-11-29 07:01:12,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:12,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:12,592 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:12,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 07:01:12,593 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:12,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:12,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1561505489, now seen corresponding path program 1 times [2023-11-29 07:01:12,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:12,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172567688] [2023-11-29 07:01:12,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:12,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:12,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:12,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172567688] [2023-11-29 07:01:12,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172567688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:12,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:12,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:12,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307506851] [2023-11-29 07:01:12,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:12,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:12,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:12,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:12,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:12,662 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-29 07:01:12,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 365 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:12,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:12,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-29 07:01:12,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:13,059 INFO L124 PetriNetUnfolderBase]: 454/2091 cut-off events. [2023-11-29 07:01:13,060 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2023-11-29 07:01:13,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3062 conditions, 2091 events. 454/2091 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 15576 event pairs, 165 based on Foata normal form. 0/1766 useless extension candidates. Maximal degree in co-relation 2966. Up to 504 conditions per place. [2023-11-29 07:01:13,074 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 23 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2023-11-29 07:01:13,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 370 transitions, 837 flow [2023-11-29 07:01:13,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:13,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2023-11-29 07:01:13,078 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8573416840640222 [2023-11-29 07:01:13,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2023-11-29 07:01:13,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2023-11-29 07:01:13,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:13,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2023-11-29 07:01:13,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:13,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:13,086 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:13,086 INFO L175 Difference]: Start difference. First operand has 367 places, 365 transitions, 771 flow. Second operand 3 states and 1232 transitions. [2023-11-29 07:01:13,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 370 transitions, 837 flow [2023-11-29 07:01:13,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 370 transitions, 837 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 07:01:13,094 INFO L231 Difference]: Finished difference. Result has 368 places, 364 transitions, 773 flow [2023-11-29 07:01:13,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=773, PETRI_PLACES=368, PETRI_TRANSITIONS=364} [2023-11-29 07:01:13,095 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -73 predicate places. [2023-11-29 07:01:13,095 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 364 transitions, 773 flow [2023-11-29 07:01:13,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:13,096 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:13,096 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:13,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 07:01:13,096 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:13,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:13,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1664780937, now seen corresponding path program 1 times [2023-11-29 07:01:13,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:13,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891002693] [2023-11-29 07:01:13,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:13,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:13,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:13,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891002693] [2023-11-29 07:01:13,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891002693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:13,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:13,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:13,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313763417] [2023-11-29 07:01:13,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:13,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:13,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:13,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:13,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:13,171 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 479 [2023-11-29 07:01:13,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 364 transitions, 773 flow. Second operand has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:13,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:13,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 479 [2023-11-29 07:01:13,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:13,660 INFO L124 PetriNetUnfolderBase]: 383/2636 cut-off events. [2023-11-29 07:01:13,660 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2023-11-29 07:01:13,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3565 conditions, 2636 events. 383/2636 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 21352 event pairs, 165 based on Foata normal form. 0/2208 useless extension candidates. Maximal degree in co-relation 3468. Up to 414 conditions per place. [2023-11-29 07:01:13,681 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 27 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2023-11-29 07:01:13,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 370 transitions, 853 flow [2023-11-29 07:01:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-29 07:01:13,686 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-29 07:01:13,686 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-29 07:01:13,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-29 07:01:13,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:13,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-29 07:01:13,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:13,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:13,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:13,692 INFO L175 Difference]: Start difference. First operand has 368 places, 364 transitions, 773 flow. Second operand 3 states and 1226 transitions. [2023-11-29 07:01:13,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 370 transitions, 853 flow [2023-11-29 07:01:13,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 370 transitions, 849 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:13,699 INFO L231 Difference]: Finished difference. Result has 367 places, 363 transitions, 771 flow [2023-11-29 07:01:13,699 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=771, PETRI_PLACES=367, PETRI_TRANSITIONS=363} [2023-11-29 07:01:13,700 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -74 predicate places. [2023-11-29 07:01:13,700 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 363 transitions, 771 flow [2023-11-29 07:01:13,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:13,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:13,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:13,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 07:01:13,700 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:13,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:13,701 INFO L85 PathProgramCache]: Analyzing trace with hash 770539429, now seen corresponding path program 1 times [2023-11-29 07:01:13,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:13,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368950778] [2023-11-29 07:01:13,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:13,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:13,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:13,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368950778] [2023-11-29 07:01:13,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368950778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:13,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:13,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:13,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755238206] [2023-11-29 07:01:13,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:13,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:13,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:13,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:13,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:13,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 479 [2023-11-29 07:01:13,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 363 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:13,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:13,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 479 [2023-11-29 07:01:13,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:14,209 INFO L124 PetriNetUnfolderBase]: 368/2738 cut-off events. [2023-11-29 07:01:14,209 INFO L125 PetriNetUnfolderBase]: For 219/225 co-relation queries the response was YES. [2023-11-29 07:01:14,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3657 conditions, 2738 events. 368/2738 cut-off events. For 219/225 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 23072 event pairs, 168 based on Foata normal form. 1/2307 useless extension candidates. Maximal degree in co-relation 3560. Up to 407 conditions per place. [2023-11-29 07:01:14,225 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 27 selfloop transitions, 2 changer transitions 0/369 dead transitions. [2023-11-29 07:01:14,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 369 transitions, 851 flow [2023-11-29 07:01:14,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:14,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-29 07:01:14,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-29 07:01:14,229 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-29 07:01:14,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-29 07:01:14,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:14,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-29 07:01:14,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:14,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:14,236 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:14,236 INFO L175 Difference]: Start difference. First operand has 367 places, 363 transitions, 771 flow. Second operand 3 states and 1226 transitions. [2023-11-29 07:01:14,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 369 transitions, 851 flow [2023-11-29 07:01:14,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 369 transitions, 847 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:14,245 INFO L231 Difference]: Finished difference. Result has 366 places, 362 transitions, 769 flow [2023-11-29 07:01:14,245 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=765, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=769, PETRI_PLACES=366, PETRI_TRANSITIONS=362} [2023-11-29 07:01:14,246 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -75 predicate places. [2023-11-29 07:01:14,246 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 362 transitions, 769 flow [2023-11-29 07:01:14,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:14,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:14,246 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:14,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 07:01:14,247 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:14,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:14,247 INFO L85 PathProgramCache]: Analyzing trace with hash 487804465, now seen corresponding path program 1 times [2023-11-29 07:01:14,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:14,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114059130] [2023-11-29 07:01:14,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:14,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:14,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:14,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114059130] [2023-11-29 07:01:14,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114059130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:14,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:14,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:14,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617278666] [2023-11-29 07:01:14,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:14,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:14,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:14,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:14,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:14,321 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-29 07:01:14,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 362 transitions, 769 flow. Second operand has 3 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:14,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:14,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-29 07:01:14,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:14,882 INFO L124 PetriNetUnfolderBase]: 519/2430 cut-off events. [2023-11-29 07:01:14,882 INFO L125 PetriNetUnfolderBase]: For 233/233 co-relation queries the response was YES. [2023-11-29 07:01:14,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3476 conditions, 2430 events. 519/2430 cut-off events. For 233/233 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 18873 event pairs, 222 based on Foata normal form. 0/2078 useless extension candidates. Maximal degree in co-relation 3379. Up to 562 conditions per place. [2023-11-29 07:01:14,898 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 25 selfloop transitions, 2 changer transitions 0/368 dead transitions. [2023-11-29 07:01:14,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 368 transitions, 841 flow [2023-11-29 07:01:14,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2023-11-29 07:01:14,902 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8566457898399443 [2023-11-29 07:01:14,902 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1231 transitions. [2023-11-29 07:01:14,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1231 transitions. [2023-11-29 07:01:14,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:14,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1231 transitions. [2023-11-29 07:01:14,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:14,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:14,910 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:14,910 INFO L175 Difference]: Start difference. First operand has 366 places, 362 transitions, 769 flow. Second operand 3 states and 1231 transitions. [2023-11-29 07:01:14,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 368 transitions, 841 flow [2023-11-29 07:01:14,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 368 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:14,918 INFO L231 Difference]: Finished difference. Result has 365 places, 361 transitions, 767 flow [2023-11-29 07:01:14,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=767, PETRI_PLACES=365, PETRI_TRANSITIONS=361} [2023-11-29 07:01:14,919 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -76 predicate places. [2023-11-29 07:01:14,919 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 361 transitions, 767 flow [2023-11-29 07:01:14,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:14,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:14,920 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:14,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 07:01:14,920 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:14,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:14,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2076570684, now seen corresponding path program 1 times [2023-11-29 07:01:14,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:14,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191754835] [2023-11-29 07:01:14,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:14,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:14,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:14,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191754835] [2023-11-29 07:01:14,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191754835] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:14,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:14,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:14,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937708236] [2023-11-29 07:01:14,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:14,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:14,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:14,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:14,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:15,006 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 479 [2023-11-29 07:01:15,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 361 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:15,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:15,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 479 [2023-11-29 07:01:15,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:15,378 INFO L124 PetriNetUnfolderBase]: 385/1807 cut-off events. [2023-11-29 07:01:15,378 INFO L125 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES. [2023-11-29 07:01:15,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2646 conditions, 1807 events. 385/1807 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 12327 event pairs, 137 based on Foata normal form. 0/1592 useless extension candidates. Maximal degree in co-relation 2549. Up to 362 conditions per place. [2023-11-29 07:01:15,393 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 21 selfloop transitions, 2 changer transitions 0/366 dead transitions. [2023-11-29 07:01:15,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 366 transitions, 829 flow [2023-11-29 07:01:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2023-11-29 07:01:15,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.860125260960334 [2023-11-29 07:01:15,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1236 transitions. [2023-11-29 07:01:15,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1236 transitions. [2023-11-29 07:01:15,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:15,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1236 transitions. [2023-11-29 07:01:15,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:15,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:15,405 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:15,405 INFO L175 Difference]: Start difference. First operand has 365 places, 361 transitions, 767 flow. Second operand 3 states and 1236 transitions. [2023-11-29 07:01:15,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 366 transitions, 829 flow [2023-11-29 07:01:15,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 366 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:15,414 INFO L231 Difference]: Finished difference. Result has 364 places, 360 transitions, 765 flow [2023-11-29 07:01:15,414 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=765, PETRI_PLACES=364, PETRI_TRANSITIONS=360} [2023-11-29 07:01:15,415 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -77 predicate places. [2023-11-29 07:01:15,415 INFO L495 AbstractCegarLoop]: Abstraction has has 364 places, 360 transitions, 765 flow [2023-11-29 07:01:15,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:15,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:15,416 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:15,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 07:01:15,416 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:15,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:15,417 INFO L85 PathProgramCache]: Analyzing trace with hash -278904765, now seen corresponding path program 1 times [2023-11-29 07:01:15,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:15,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498669796] [2023-11-29 07:01:15,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:15,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:15,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:15,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498669796] [2023-11-29 07:01:15,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498669796] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:15,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:15,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:01:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652257988] [2023-11-29 07:01:15,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:15,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:01:15,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:15,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:01:15,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:01:16,165 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 479 [2023-11-29 07:01:16,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 360 transitions, 765 flow. Second operand has 6 states, 6 states have (on average 393.6666666666667) internal successors, (2362), 6 states have internal predecessors, (2362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:16,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:16,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 479 [2023-11-29 07:01:16,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:16,803 INFO L124 PetriNetUnfolderBase]: 879/2684 cut-off events. [2023-11-29 07:01:16,803 INFO L125 PetriNetUnfolderBase]: For 463/463 co-relation queries the response was YES. [2023-11-29 07:01:16,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4500 conditions, 2684 events. 879/2684 cut-off events. For 463/463 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 19082 event pairs, 70 based on Foata normal form. 0/2368 useless extension candidates. Maximal degree in co-relation 4401. Up to 409 conditions per place. [2023-11-29 07:01:16,845 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 52 selfloop transitions, 4 changer transitions 0/387 dead transitions. [2023-11-29 07:01:16,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 387 transitions, 963 flow [2023-11-29 07:01:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:01:16,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 07:01:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2399 transitions. [2023-11-29 07:01:16,850 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8347251217814892 [2023-11-29 07:01:16,850 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2399 transitions. [2023-11-29 07:01:16,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2399 transitions. [2023-11-29 07:01:16,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:16,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2399 transitions. [2023-11-29 07:01:16,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 399.8333333333333) internal successors, (2399), 6 states have internal predecessors, (2399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:16,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:16,858 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:16,858 INFO L175 Difference]: Start difference. First operand has 364 places, 360 transitions, 765 flow. Second operand 6 states and 2399 transitions. [2023-11-29 07:01:16,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 387 transitions, 963 flow [2023-11-29 07:01:16,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 387 transitions, 959 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:16,866 INFO L231 Difference]: Finished difference. Result has 366 places, 359 transitions, 767 flow [2023-11-29 07:01:16,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=767, PETRI_PLACES=366, PETRI_TRANSITIONS=359} [2023-11-29 07:01:16,867 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -75 predicate places. [2023-11-29 07:01:16,867 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 359 transitions, 767 flow [2023-11-29 07:01:16,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.6666666666667) internal successors, (2362), 6 states have internal predecessors, (2362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:16,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:16,868 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:16,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 07:01:16,868 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:16,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:16,868 INFO L85 PathProgramCache]: Analyzing trace with hash -2038874369, now seen corresponding path program 1 times [2023-11-29 07:01:16,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:16,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867373752] [2023-11-29 07:01:16,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:16,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:16,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:16,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867373752] [2023-11-29 07:01:16,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867373752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:16,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:16,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:16,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37763192] [2023-11-29 07:01:16,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:16,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:16,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:16,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:16,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:16,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-29 07:01:16,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 359 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:16,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:16,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-29 07:01:16,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:17,286 INFO L124 PetriNetUnfolderBase]: 487/1895 cut-off events. [2023-11-29 07:01:17,286 INFO L125 PetriNetUnfolderBase]: For 223/223 co-relation queries the response was YES. [2023-11-29 07:01:17,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2944 conditions, 1895 events. 487/1895 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 12819 event pairs, 199 based on Foata normal form. 0/1698 useless extension candidates. Maximal degree in co-relation 2847. Up to 516 conditions per place. [2023-11-29 07:01:17,298 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 23 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2023-11-29 07:01:17,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 364 transitions, 833 flow [2023-11-29 07:01:17,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2023-11-29 07:01:17,302 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8573416840640222 [2023-11-29 07:01:17,302 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2023-11-29 07:01:17,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2023-11-29 07:01:17,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:17,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2023-11-29 07:01:17,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:17,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:17,308 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:17,308 INFO L175 Difference]: Start difference. First operand has 366 places, 359 transitions, 767 flow. Second operand 3 states and 1232 transitions. [2023-11-29 07:01:17,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 364 transitions, 833 flow [2023-11-29 07:01:17,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 364 transitions, 826 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 07:01:17,317 INFO L231 Difference]: Finished difference. Result has 363 places, 358 transitions, 762 flow [2023-11-29 07:01:17,317 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=363, PETRI_TRANSITIONS=358} [2023-11-29 07:01:17,318 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -78 predicate places. [2023-11-29 07:01:17,318 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 358 transitions, 762 flow [2023-11-29 07:01:17,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:17,319 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:17,319 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:17,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 07:01:17,319 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:17,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:17,320 INFO L85 PathProgramCache]: Analyzing trace with hash -227698835, now seen corresponding path program 1 times [2023-11-29 07:01:17,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:17,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068233279] [2023-11-29 07:01:17,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:17,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:17,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:17,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068233279] [2023-11-29 07:01:17,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068233279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:17,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:17,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:17,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822788609] [2023-11-29 07:01:17,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:17,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:17,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:17,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:17,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:17,403 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-29 07:01:17,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 358 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:17,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:17,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-29 07:01:17,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:17,729 INFO L124 PetriNetUnfolderBase]: 414/2239 cut-off events. [2023-11-29 07:01:17,730 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2023-11-29 07:01:17,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3163 conditions, 2239 events. 414/2239 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 17525 event pairs, 147 based on Foata normal form. 1/2006 useless extension candidates. Maximal degree in co-relation 3066. Up to 379 conditions per place. [2023-11-29 07:01:17,742 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 22 selfloop transitions, 2 changer transitions 6/363 dead transitions. [2023-11-29 07:01:17,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 363 transitions, 828 flow [2023-11-29 07:01:17,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:17,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:17,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1230 transitions. [2023-11-29 07:01:17,744 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8559498956158664 [2023-11-29 07:01:17,744 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1230 transitions. [2023-11-29 07:01:17,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1230 transitions. [2023-11-29 07:01:17,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:17,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1230 transitions. [2023-11-29 07:01:17,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:17,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:17,748 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:17,748 INFO L175 Difference]: Start difference. First operand has 363 places, 358 transitions, 762 flow. Second operand 3 states and 1230 transitions. [2023-11-29 07:01:17,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 363 transitions, 828 flow [2023-11-29 07:01:17,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 363 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:17,753 INFO L231 Difference]: Finished difference. Result has 361 places, 350 transitions, 746 flow [2023-11-29 07:01:17,753 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=746, PETRI_PLACES=361, PETRI_TRANSITIONS=350} [2023-11-29 07:01:17,754 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -80 predicate places. [2023-11-29 07:01:17,754 INFO L495 AbstractCegarLoop]: Abstraction has has 361 places, 350 transitions, 746 flow [2023-11-29 07:01:17,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:17,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:17,754 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:17,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 07:01:17,755 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:17,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:17,755 INFO L85 PathProgramCache]: Analyzing trace with hash -676928197, now seen corresponding path program 1 times [2023-11-29 07:01:17,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:17,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830164625] [2023-11-29 07:01:17,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:17,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:17,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:17,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830164625] [2023-11-29 07:01:17,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830164625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:17,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:17,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:17,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281537115] [2023-11-29 07:01:17,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:17,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:17,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:17,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:17,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:17,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-29 07:01:17,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 350 transitions, 746 flow. Second operand has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:17,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:17,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-29 07:01:17,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:18,206 INFO L124 PetriNetUnfolderBase]: 322/1764 cut-off events. [2023-11-29 07:01:18,206 INFO L125 PetriNetUnfolderBase]: For 153/153 co-relation queries the response was YES. [2023-11-29 07:01:18,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2517 conditions, 1764 events. 322/1764 cut-off events. For 153/153 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 12452 event pairs, 98 based on Foata normal form. 0/1624 useless extension candidates. Maximal degree in co-relation 2420. Up to 265 conditions per place. [2023-11-29 07:01:18,214 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 21 selfloop transitions, 3 changer transitions 0/354 dead transitions. [2023-11-29 07:01:18,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 354 transitions, 808 flow [2023-11-29 07:01:18,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2023-11-29 07:01:18,218 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8573416840640222 [2023-11-29 07:01:18,218 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2023-11-29 07:01:18,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2023-11-29 07:01:18,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:18,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2023-11-29 07:01:18,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:18,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:18,223 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:18,223 INFO L175 Difference]: Start difference. First operand has 361 places, 350 transitions, 746 flow. Second operand 3 states and 1232 transitions. [2023-11-29 07:01:18,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 354 transitions, 808 flow [2023-11-29 07:01:18,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 354 transitions, 804 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:18,230 INFO L231 Difference]: Finished difference. Result has 354 places, 348 transitions, 744 flow [2023-11-29 07:01:18,231 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=354, PETRI_TRANSITIONS=348} [2023-11-29 07:01:18,231 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -87 predicate places. [2023-11-29 07:01:18,231 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 348 transitions, 744 flow [2023-11-29 07:01:18,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:18,232 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:18,232 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:18,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 07:01:18,232 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:18,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:18,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1298134384, now seen corresponding path program 1 times [2023-11-29 07:01:18,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:18,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159769548] [2023-11-29 07:01:18,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:18,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:18,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:18,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159769548] [2023-11-29 07:01:18,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159769548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:18,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:18,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:18,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388922442] [2023-11-29 07:01:18,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:18,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:18,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:18,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:18,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:18,326 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-29 07:01:18,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 348 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:18,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:18,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-29 07:01:18,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:18,800 INFO L124 PetriNetUnfolderBase]: 523/2284 cut-off events. [2023-11-29 07:01:18,800 INFO L125 PetriNetUnfolderBase]: For 230/230 co-relation queries the response was YES. [2023-11-29 07:01:18,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3396 conditions, 2284 events. 523/2284 cut-off events. For 230/230 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 17479 event pairs, 215 based on Foata normal form. 0/2097 useless extension candidates. Maximal degree in co-relation 3299. Up to 545 conditions per place. [2023-11-29 07:01:18,814 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 24 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2023-11-29 07:01:18,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 354 transitions, 814 flow [2023-11-29 07:01:18,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1230 transitions. [2023-11-29 07:01:18,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8559498956158664 [2023-11-29 07:01:18,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1230 transitions. [2023-11-29 07:01:18,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1230 transitions. [2023-11-29 07:01:18,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:18,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1230 transitions. [2023-11-29 07:01:18,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:18,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:18,821 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:18,821 INFO L175 Difference]: Start difference. First operand has 354 places, 348 transitions, 744 flow. Second operand 3 states and 1230 transitions. [2023-11-29 07:01:18,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 354 transitions, 814 flow [2023-11-29 07:01:18,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 354 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:18,828 INFO L231 Difference]: Finished difference. Result has 353 places, 347 transitions, 740 flow [2023-11-29 07:01:18,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=353, PETRI_TRANSITIONS=347} [2023-11-29 07:01:18,829 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -88 predicate places. [2023-11-29 07:01:18,829 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 347 transitions, 740 flow [2023-11-29 07:01:18,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:18,830 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:18,830 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:18,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 07:01:18,831 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:18,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:18,831 INFO L85 PathProgramCache]: Analyzing trace with hash 837845881, now seen corresponding path program 1 times [2023-11-29 07:01:18,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:18,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142310636] [2023-11-29 07:01:18,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:18,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:18,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:18,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:18,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142310636] [2023-11-29 07:01:18,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142310636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:18,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:18,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:18,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461239316] [2023-11-29 07:01:18,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:18,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:18,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:18,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:18,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:18,908 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-29 07:01:18,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 347 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:18,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:18,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-29 07:01:18,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:19,338 INFO L124 PetriNetUnfolderBase]: 353/1911 cut-off events. [2023-11-29 07:01:19,338 INFO L125 PetriNetUnfolderBase]: For 167/167 co-relation queries the response was YES. [2023-11-29 07:01:19,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2703 conditions, 1911 events. 353/1911 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 13579 event pairs, 106 based on Foata normal form. 1/1794 useless extension candidates. Maximal degree in co-relation 2606. Up to 286 conditions per place. [2023-11-29 07:01:19,351 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 20 selfloop transitions, 2 changer transitions 11/352 dead transitions. [2023-11-29 07:01:19,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 352 transitions, 804 flow [2023-11-29 07:01:19,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2023-11-29 07:01:19,355 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8573416840640222 [2023-11-29 07:01:19,355 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2023-11-29 07:01:19,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2023-11-29 07:01:19,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:19,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2023-11-29 07:01:19,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:19,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:19,358 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:19,358 INFO L175 Difference]: Start difference. First operand has 353 places, 347 transitions, 740 flow. Second operand 3 states and 1232 transitions. [2023-11-29 07:01:19,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 352 transitions, 804 flow [2023-11-29 07:01:19,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 352 transitions, 800 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:19,363 INFO L231 Difference]: Finished difference. Result has 351 places, 334 transitions, 713 flow [2023-11-29 07:01:19,364 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=351, PETRI_TRANSITIONS=334} [2023-11-29 07:01:19,364 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -90 predicate places. [2023-11-29 07:01:19,364 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 334 transitions, 713 flow [2023-11-29 07:01:19,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:19,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:19,365 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:19,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 07:01:19,365 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:19,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:19,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1507170112, now seen corresponding path program 1 times [2023-11-29 07:01:19,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:19,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276610090] [2023-11-29 07:01:19,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:19,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:19,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:19,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276610090] [2023-11-29 07:01:19,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276610090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:19,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:19,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:19,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596941564] [2023-11-29 07:01:19,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:19,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:19,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:19,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:19,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:19,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-29 07:01:19,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 334 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:19,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:19,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-29 07:01:19,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:19,789 INFO L124 PetriNetUnfolderBase]: 364/1767 cut-off events. [2023-11-29 07:01:19,789 INFO L125 PetriNetUnfolderBase]: For 176/179 co-relation queries the response was YES. [2023-11-29 07:01:19,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2614 conditions, 1767 events. 364/1767 cut-off events. For 176/179 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 12207 event pairs, 147 based on Foata normal form. 1/1659 useless extension candidates. Maximal degree in co-relation 2517. Up to 397 conditions per place. [2023-11-29 07:01:19,798 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 21 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2023-11-29 07:01:19,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 339 transitions, 775 flow [2023-11-29 07:01:19,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:19,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1230 transitions. [2023-11-29 07:01:19,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8559498956158664 [2023-11-29 07:01:19,803 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1230 transitions. [2023-11-29 07:01:19,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1230 transitions. [2023-11-29 07:01:19,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:19,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1230 transitions. [2023-11-29 07:01:19,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:19,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:19,806 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:19,806 INFO L175 Difference]: Start difference. First operand has 351 places, 334 transitions, 713 flow. Second operand 3 states and 1230 transitions. [2023-11-29 07:01:19,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 339 transitions, 775 flow [2023-11-29 07:01:19,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 339 transitions, 771 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:19,811 INFO L231 Difference]: Finished difference. Result has 339 places, 333 transitions, 711 flow [2023-11-29 07:01:19,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=337, 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=711, PETRI_PLACES=339, PETRI_TRANSITIONS=333} [2023-11-29 07:01:19,812 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -102 predicate places. [2023-11-29 07:01:19,812 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 333 transitions, 711 flow [2023-11-29 07:01:19,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:19,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:19,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:19,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 07:01:19,813 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:19,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:19,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1418934430, now seen corresponding path program 1 times [2023-11-29 07:01:19,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:19,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849051593] [2023-11-29 07:01:19,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:19,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:19,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:19,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849051593] [2023-11-29 07:01:19,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849051593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:19,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:19,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:19,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544093906] [2023-11-29 07:01:19,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:19,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:19,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:19,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:19,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:19,906 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-29 07:01:19,907 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 333 transitions, 711 flow. Second operand has 3 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:19,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:19,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-29 07:01:19,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:20,274 INFO L124 PetriNetUnfolderBase]: 415/2095 cut-off events. [2023-11-29 07:01:20,274 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2023-11-29 07:01:20,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3025 conditions, 2095 events. 415/2095 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 15416 event pairs, 166 based on Foata normal form. 0/1975 useless extension candidates. Maximal degree in co-relation 2928. Up to 440 conditions per place. [2023-11-29 07:01:20,289 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 22 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2023-11-29 07:01:20,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 339 transitions, 777 flow [2023-11-29 07:01:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:20,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2023-11-29 07:01:20,293 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8566457898399443 [2023-11-29 07:01:20,293 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1231 transitions. [2023-11-29 07:01:20,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1231 transitions. [2023-11-29 07:01:20,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:20,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1231 transitions. [2023-11-29 07:01:20,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:20,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:20,297 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:20,297 INFO L175 Difference]: Start difference. First operand has 339 places, 333 transitions, 711 flow. Second operand 3 states and 1231 transitions. [2023-11-29 07:01:20,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 339 transitions, 777 flow [2023-11-29 07:01:20,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 339 transitions, 773 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:20,303 INFO L231 Difference]: Finished difference. Result has 338 places, 332 transitions, 709 flow [2023-11-29 07:01:20,303 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=336, 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=709, PETRI_PLACES=338, PETRI_TRANSITIONS=332} [2023-11-29 07:01:20,303 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -103 predicate places. [2023-11-29 07:01:20,304 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 332 transitions, 709 flow [2023-11-29 07:01:20,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:20,304 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:20,304 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:20,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 07:01:20,304 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:20,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:20,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1439498022, now seen corresponding path program 1 times [2023-11-29 07:01:20,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:20,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480130999] [2023-11-29 07:01:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:20,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:20,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:20,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480130999] [2023-11-29 07:01:20,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480130999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:20,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:20,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:01:20,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564474166] [2023-11-29 07:01:20,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:20,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:01:20,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:20,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:01:20,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:01:21,139 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 479 [2023-11-29 07:01:21,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 332 transitions, 709 flow. Second operand has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:21,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:21,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 479 [2023-11-29 07:01:21,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:21,596 INFO L124 PetriNetUnfolderBase]: 265/1631 cut-off events. [2023-11-29 07:01:21,596 INFO L125 PetriNetUnfolderBase]: For 166/171 co-relation queries the response was YES. [2023-11-29 07:01:21,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2304 conditions, 1631 events. 265/1631 cut-off events. For 166/171 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 11036 event pairs, 77 based on Foata normal form. 4/1565 useless extension candidates. Maximal degree in co-relation 2205. Up to 230 conditions per place. [2023-11-29 07:01:21,607 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 43 selfloop transitions, 4 changer transitions 0/351 dead transitions. [2023-11-29 07:01:21,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 351 transitions, 873 flow [2023-11-29 07:01:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:01:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 07:01:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2390 transitions. [2023-11-29 07:01:21,613 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8315935977731385 [2023-11-29 07:01:21,613 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2390 transitions. [2023-11-29 07:01:21,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2390 transitions. [2023-11-29 07:01:21,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:21,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2390 transitions. [2023-11-29 07:01:21,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 398.3333333333333) internal successors, (2390), 6 states have internal predecessors, (2390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:21,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:21,621 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:21,621 INFO L175 Difference]: Start difference. First operand has 338 places, 332 transitions, 709 flow. Second operand 6 states and 2390 transitions. [2023-11-29 07:01:21,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 351 transitions, 873 flow [2023-11-29 07:01:21,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 351 transitions, 869 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:21,626 INFO L231 Difference]: Finished difference. Result has 340 places, 331 transitions, 711 flow [2023-11-29 07:01:21,627 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=711, PETRI_PLACES=340, PETRI_TRANSITIONS=331} [2023-11-29 07:01:21,627 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -101 predicate places. [2023-11-29 07:01:21,627 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 331 transitions, 711 flow [2023-11-29 07:01:21,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:21,628 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:21,628 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:21,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 07:01:21,628 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-29 07:01:21,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:21,628 INFO L85 PathProgramCache]: Analyzing trace with hash -525432840, now seen corresponding path program 1 times [2023-11-29 07:01:21,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:21,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501507900] [2023-11-29 07:01:21,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:21,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:01:22,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:22,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501507900] [2023-11-29 07:01:22,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501507900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:22,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:22,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:01:22,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411899449] [2023-11-29 07:01:22,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:22,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:01:22,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:22,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:01:22,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:01:22,708 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 479 [2023-11-29 07:01:22,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 331 transitions, 711 flow. Second operand has 6 states, 6 states have (on average 394.5) internal successors, (2367), 6 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:22,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:22,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 479 [2023-11-29 07:01:22,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:22,975 INFO L124 PetriNetUnfolderBase]: 200/1554 cut-off events. [2023-11-29 07:01:22,975 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2023-11-29 07:01:22,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2070 conditions, 1554 events. 200/1554 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 10514 event pairs, 78 based on Foata normal form. 0/1490 useless extension candidates. Maximal degree in co-relation 1971. Up to 235 conditions per place. [2023-11-29 07:01:22,981 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 0 selfloop transitions, 0 changer transitions 338/338 dead transitions. [2023-11-29 07:01:22,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 338 transitions, 811 flow [2023-11-29 07:01:22,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 07:01:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 07:01:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2382 transitions. [2023-11-29 07:01:22,984 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8288100208768268 [2023-11-29 07:01:22,984 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2382 transitions. [2023-11-29 07:01:22,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2382 transitions. [2023-11-29 07:01:22,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:22,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2382 transitions. [2023-11-29 07:01:22,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 397.0) internal successors, (2382), 6 states have internal predecessors, (2382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:22,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:22,991 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:22,991 INFO L175 Difference]: Start difference. First operand has 340 places, 331 transitions, 711 flow. Second operand 6 states and 2382 transitions. [2023-11-29 07:01:22,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 338 transitions, 811 flow [2023-11-29 07:01:22,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 338 transitions, 804 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 07:01:22,994 INFO L231 Difference]: Finished difference. Result has 340 places, 0 transitions, 0 flow [2023-11-29 07:01:22,995 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=340, PETRI_TRANSITIONS=0} [2023-11-29 07:01:22,995 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -101 predicate places. [2023-11-29 07:01:22,995 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 0 transitions, 0 flow [2023-11-29 07:01:22,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.5) internal successors, (2367), 6 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:22,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (154 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (153 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (152 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (151 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (150 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (149 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (148 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (147 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (146 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (145 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (144 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (143 of 155 remaining) [2023-11-29 07:01:22,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (142 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (141 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (140 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (139 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (138 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (137 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (136 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (135 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (134 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (133 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (132 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (131 of 155 remaining) [2023-11-29 07:01:22,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (130 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (129 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (128 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (127 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (126 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (125 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (123 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (122 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (121 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (120 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (119 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (118 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (117 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (116 of 155 remaining) [2023-11-29 07:01:23,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (115 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (114 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (113 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (112 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (111 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (110 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (109 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (108 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (107 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (106 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (105 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (104 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (103 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (102 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (101 of 155 remaining) [2023-11-29 07:01:23,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (100 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (99 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (98 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (97 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (96 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (95 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (94 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (93 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (92 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (91 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (90 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (89 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (88 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (87 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (86 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (85 of 155 remaining) [2023-11-29 07:01:23,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (84 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (83 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (82 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (81 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (80 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (79 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (78 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (77 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (76 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (75 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (74 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (73 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (72 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (71 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (70 of 155 remaining) [2023-11-29 07:01:23,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (69 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (68 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (67 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (66 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (65 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (61 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (60 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (59 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (58 of 155 remaining) [2023-11-29 07:01:23,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (57 of 155 remaining) [2023-11-29 07:01:23,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (56 of 155 remaining) [2023-11-29 07:01:23,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (55 of 155 remaining) [2023-11-29 07:01:23,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (54 of 155 remaining) [2023-11-29 07:01:23,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 155 remaining) [2023-11-29 07:01:23,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (52 of 155 remaining) [2023-11-29 07:01:23,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 155 remaining) [2023-11-29 07:01:23,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 155 remaining) [2023-11-29 07:01:23,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (49 of 155 remaining) [2023-11-29 07:01:23,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 155 remaining) [2023-11-29 07:01:23,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (47 of 155 remaining) [2023-11-29 07:01:23,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (46 of 155 remaining) [2023-11-29 07:01:23,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (45 of 155 remaining) [2023-11-29 07:01:23,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 155 remaining) [2023-11-29 07:01:23,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (43 of 155 remaining) [2023-11-29 07:01:23,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (42 of 155 remaining) [2023-11-29 07:01:23,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (41 of 155 remaining) [2023-11-29 07:01:23,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (40 of 155 remaining) [2023-11-29 07:01:23,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (33 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (32 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (31 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (30 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (29 of 155 remaining) [2023-11-29 07:01:23,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (28 of 155 remaining) [2023-11-29 07:01:23,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (27 of 155 remaining) [2023-11-29 07:01:23,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (26 of 155 remaining) [2023-11-29 07:01:23,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (25 of 155 remaining) [2023-11-29 07:01:23,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (24 of 155 remaining) [2023-11-29 07:01:23,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (23 of 155 remaining) [2023-11-29 07:01:23,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (22 of 155 remaining) [2023-11-29 07:01:23,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (21 of 155 remaining) [2023-11-29 07:01:23,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (20 of 155 remaining) [2023-11-29 07:01:23,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (19 of 155 remaining) [2023-11-29 07:01:23,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (18 of 155 remaining) [2023-11-29 07:01:23,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (17 of 155 remaining) [2023-11-29 07:01:23,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (16 of 155 remaining) [2023-11-29 07:01:23,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 155 remaining) [2023-11-29 07:01:23,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 155 remaining) [2023-11-29 07:01:23,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 155 remaining) [2023-11-29 07:01:23,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 155 remaining) [2023-11-29 07:01:23,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 155 remaining) [2023-11-29 07:01:23,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 155 remaining) [2023-11-29 07:01:23,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 155 remaining) [2023-11-29 07:01:23,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 155 remaining) [2023-11-29 07:01:23,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (7 of 155 remaining) [2023-11-29 07:01:23,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 155 remaining) [2023-11-29 07:01:23,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 155 remaining) [2023-11-29 07:01:23,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (4 of 155 remaining) [2023-11-29 07:01:23,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (3 of 155 remaining) [2023-11-29 07:01:23,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (2 of 155 remaining) [2023-11-29 07:01:23,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (1 of 155 remaining) [2023-11-29 07:01:23,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (0 of 155 remaining) [2023-11-29 07:01:23,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 07:01:23,011 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:23,018 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 07:01:23,018 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:01:23,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:01:23 BasicIcfg [2023-11-29 07:01:23,025 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:01:23,025 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:01:23,025 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:01:23,025 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:01:23,026 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:01:04" (3/4) ... [2023-11-29 07:01:23,027 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 07:01:23,029 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 07:01:23,029 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 07:01:23,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 07:01:23,038 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-29 07:01:23,039 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 07:01:23,040 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 07:01:23,040 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 07:01:23,131 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 07:01:23,131 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 07:01:23,131 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:01:23,132 INFO L158 Benchmark]: Toolchain (without parser) took 20200.97ms. Allocated memory was 157.3MB in the beginning and 715.1MB in the end (delta: 557.8MB). Free memory was 118.0MB in the beginning and 330.6MB in the end (delta: -212.5MB). Peak memory consumption was 346.9MB. Max. memory is 16.1GB. [2023-11-29 07:01:23,133 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:01:23,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.08ms. Allocated memory is still 157.3MB. Free memory was 118.0MB in the beginning and 103.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 07:01:23,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.38ms. Allocated memory is still 157.3MB. Free memory was 103.9MB in the beginning and 100.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 07:01:23,134 INFO L158 Benchmark]: Boogie Preprocessor took 57.77ms. Allocated memory is still 157.3MB. Free memory was 100.2MB in the beginning and 96.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 07:01:23,134 INFO L158 Benchmark]: RCFGBuilder took 1290.30ms. Allocated memory was 157.3MB in the beginning and 190.8MB in the end (delta: 33.6MB). Free memory was 96.6MB in the beginning and 140.8MB in the end (delta: -44.2MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2023-11-29 07:01:23,135 INFO L158 Benchmark]: TraceAbstraction took 18373.47ms. Allocated memory was 190.8MB in the beginning and 715.1MB in the end (delta: 524.3MB). Free memory was 139.7MB in the beginning and 337.9MB in the end (delta: -198.2MB). Peak memory consumption was 326.1MB. Max. memory is 16.1GB. [2023-11-29 07:01:23,135 INFO L158 Benchmark]: Witness Printer took 106.66ms. Allocated memory is still 715.1MB. Free memory was 337.9MB in the beginning and 330.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 07:01:23,137 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.08ms. Allocated memory is still 157.3MB. Free memory was 118.0MB in the beginning and 103.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.38ms. Allocated memory is still 157.3MB. Free memory was 103.9MB in the beginning and 100.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.77ms. Allocated memory is still 157.3MB. Free memory was 100.2MB in the beginning and 96.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1290.30ms. Allocated memory was 157.3MB in the beginning and 190.8MB in the end (delta: 33.6MB). Free memory was 96.6MB in the beginning and 140.8MB in the end (delta: -44.2MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18373.47ms. Allocated memory was 190.8MB in the beginning and 715.1MB in the end (delta: 524.3MB). Free memory was 139.7MB in the beginning and 337.9MB in the end (delta: -198.2MB). Peak memory consumption was 326.1MB. Max. memory is 16.1GB. * Witness Printer took 106.66ms. Allocated memory is still 715.1MB. Free memory was 337.9MB in the beginning and 330.6MB 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 55]: 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: 55]: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 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: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: 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: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: 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: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: 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 7 procedures, 617 locations, 155 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: 18.2s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 993 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 473 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 245 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1995 IncrementalHoareTripleChecker+Invalid, 2240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 245 mSolverCounterUnsat, 140 mSDtfsCounter, 1995 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=916occurred in iteration=0, InterpolantAutomatonStates: 111, 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, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 4656 NumberOfCodeBlocks, 4656 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4623 ConstructedInterpolants, 0 QuantifiedInterpolants, 5039 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 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 89 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 07:01:23,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d47c0cd-7705-4965-bb1d-1904839b68c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE