./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-nzb-file-trans.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_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/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_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/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_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/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 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:01:28,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:01:28,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 07:01:28,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:01:28,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:01:28,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:01:28,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:01:28,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:01:28,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:01:28,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:01:28,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:01:28,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:01:28,975 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:01:28,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:01:28,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:01:28,976 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 07:01:28,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 07:01:28,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 07:01:28,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:01:28,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:01:28,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:01:28,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:01:28,980 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 07:01:28,980 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 07:01:28,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 07:01:28,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:01:28,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:01:28,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:01:28,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:01:28,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:01:28,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:01:28,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:01:28,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:01:28,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:01:28,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 07:01:28,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 07:01:28,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:01:28,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:01:28,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:01:28,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:01:28,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:01:28,994 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_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b [2023-11-29 07:01:29,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:01:29,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:01:29,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:01:29,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:01:29,252 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:01:29,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2023-11-29 07:01:31,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:01:32,105 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:01:32,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2023-11-29 07:01:32,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/data/f10fdb821/7d467b44b63d49c490da5e92add90d38/FLAGcd44de721 [2023-11-29 07:01:32,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/data/f10fdb821/7d467b44b63d49c490da5e92add90d38 [2023-11-29 07:01:32,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:01:32,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:01:32,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:01:32,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:01:32,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:01:32,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3029bbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32, skipping insertion in model container [2023-11-29 07:01:32,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:01:32,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:01:32,384 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:01:32,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:01:32,456 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:01:32,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32 WrapperNode [2023-11-29 07:01:32,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:01:32,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:01:32,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:01:32,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:01:32,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,546 INFO L138 Inliner]: procedures = 26, calls = 77, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1339 [2023-11-29 07:01:32,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:01:32,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:01:32,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:01:32,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:01:32,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:01:32,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:01:32,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:01:32,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:01:32,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (1/1) ... [2023-11-29 07:01:32,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:01:32,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:01:32,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:01:32,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:01:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:01:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 07:01:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 07:01:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 07:01:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 07:01:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 07:01:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 07:01:32,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 07:01:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 07:01:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 07:01:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 07:01:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 07:01:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:01:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:01:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 07:01:32,714 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 07:01:32,896 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:01:32,897 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:01:34,278 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:01:34,308 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:01:34,308 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 07:01:34,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:01:34 BoogieIcfgContainer [2023-11-29 07:01:34,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:01:34,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:01:34,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:01:34,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:01:34,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:01:32" (1/3) ... [2023-11-29 07:01:34,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6880a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:01:34, skipping insertion in model container [2023-11-29 07:01:34,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:01:32" (2/3) ... [2023-11-29 07:01:34,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6880a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:01:34, skipping insertion in model container [2023-11-29 07:01:34,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:01:34" (3/3) ... [2023-11-29 07:01:34,319 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.c [2023-11-29 07:01:34,326 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 07:01:34,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:01:34,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 228 error locations. [2023-11-29 07:01:34,334 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 07:01:34,638 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 07:01:34,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1688 places, 1789 transitions, 3599 flow [2023-11-29 07:01:36,214 INFO L124 PetriNetUnfolderBase]: 111/1786 cut-off events. [2023-11-29 07:01:36,214 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 07:01:36,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1799 conditions, 1786 events. 111/1786 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7773 event pairs, 0 based on Foata normal form. 0/1447 useless extension candidates. Maximal degree in co-relation 1391. Up to 2 conditions per place. [2023-11-29 07:01:36,280 INFO L82 GeneralOperation]: Start removeDead. Operand has 1688 places, 1789 transitions, 3599 flow [2023-11-29 07:01:36,352 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1660 places, 1759 transitions, 3536 flow [2023-11-29 07:01:36,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:01:36,369 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;@2abd1a15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:01:36,369 INFO L358 AbstractCegarLoop]: Starting to check reachability of 429 error locations. [2023-11-29 07:01:36,374 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 07:01:36,374 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2023-11-29 07:01:36,374 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 07:01:36,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:36,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:36,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:01:36,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:36,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1226712167, now seen corresponding path program 1 times [2023-11-29 07:01:36,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:36,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066779496] [2023-11-29 07:01:36,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:36,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:36,606 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 07:01:36,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:36,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066779496] [2023-11-29 07:01:36,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066779496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:36,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:36,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:36,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330457287] [2023-11-29 07:01:36,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:36,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:36,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:36,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:36,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:36,684 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1789 [2023-11-29 07:01:36,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1660 places, 1759 transitions, 3536 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:36,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:36,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1789 [2023-11-29 07:01:36,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:38,382 INFO L124 PetriNetUnfolderBase]: 124/2651 cut-off events. [2023-11-29 07:01:38,382 INFO L125 PetriNetUnfolderBase]: For 20/22 co-relation queries the response was YES. [2023-11-29 07:01:38,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2694 conditions, 2651 events. 124/2651 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14845 event pairs, 5 based on Foata normal form. 110/2232 useless extension candidates. Maximal degree in co-relation 2283. Up to 22 conditions per place. [2023-11-29 07:01:38,528 INFO L140 encePairwiseOnDemand]: 1750/1789 looper letters, 11 selfloop transitions, 2 changer transitions 6/1722 dead transitions. [2023-11-29 07:01:38,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1661 places, 1722 transitions, 3488 flow [2023-11-29 07:01:38,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:38,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:38,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5258 transitions. [2023-11-29 07:01:38,556 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9796907024408422 [2023-11-29 07:01:38,556 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5258 transitions. [2023-11-29 07:01:38,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5258 transitions. [2023-11-29 07:01:38,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:38,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5258 transitions. [2023-11-29 07:01:38,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1752.6666666666667) internal successors, (5258), 3 states have internal predecessors, (5258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:38,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:38,604 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:38,606 INFO L175 Difference]: Start difference. First operand has 1660 places, 1759 transitions, 3536 flow. Second operand 3 states and 5258 transitions. [2023-11-29 07:01:38,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1661 places, 1722 transitions, 3488 flow [2023-11-29 07:01:38,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1655 places, 1722 transitions, 3476 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 07:01:38,646 INFO L231 Difference]: Finished difference. Result has 1655 places, 1716 transitions, 3442 flow [2023-11-29 07:01:38,650 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3450, PETRI_DIFFERENCE_MINUEND_PLACES=1653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1722, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1720, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3442, PETRI_PLACES=1655, PETRI_TRANSITIONS=1716} [2023-11-29 07:01:38,653 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -5 predicate places. [2023-11-29 07:01:38,653 INFO L495 AbstractCegarLoop]: Abstraction has has 1655 places, 1716 transitions, 3442 flow [2023-11-29 07:01:38,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:38,657 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:38,657 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:38,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 07:01:38,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:01:38,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:38,658 INFO L85 PathProgramCache]: Analyzing trace with hash -663947919, now seen corresponding path program 1 times [2023-11-29 07:01:38,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:38,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426273906] [2023-11-29 07:01:38,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:38,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:38,732 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 07:01:38,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:38,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426273906] [2023-11-29 07:01:38,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426273906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:38,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:38,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:38,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992326485] [2023-11-29 07:01:38,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:38,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:38,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:38,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:38,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:38,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1789 [2023-11-29 07:01:38,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1655 places, 1716 transitions, 3442 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:38,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:38,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1789 [2023-11-29 07:01:38,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:40,179 INFO L124 PetriNetUnfolderBase]: 124/2644 cut-off events. [2023-11-29 07:01:40,180 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-29 07:01:40,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2677 conditions, 2644 events. 124/2644 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 15368 event pairs, 5 based on Foata normal form. 0/2123 useless extension candidates. Maximal degree in co-relation 2631. Up to 22 conditions per place. [2023-11-29 07:01:40,282 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 11 selfloop transitions, 2 changer transitions 0/1715 dead transitions. [2023-11-29 07:01:40,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1650 places, 1715 transitions, 3466 flow [2023-11-29 07:01:40,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:40,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:40,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5222 transitions. [2023-11-29 07:01:40,294 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9729830445313956 [2023-11-29 07:01:40,294 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5222 transitions. [2023-11-29 07:01:40,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5222 transitions. [2023-11-29 07:01:40,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:40,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5222 transitions. [2023-11-29 07:01:40,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1740.6666666666667) internal successors, (5222), 3 states have internal predecessors, (5222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:40,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:40,326 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:40,326 INFO L175 Difference]: Start difference. First operand has 1655 places, 1716 transitions, 3442 flow. Second operand 3 states and 5222 transitions. [2023-11-29 07:01:40,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1650 places, 1715 transitions, 3466 flow [2023-11-29 07:01:40,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1648 places, 1715 transitions, 3462 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:40,352 INFO L231 Difference]: Finished difference. Result has 1648 places, 1715 transitions, 3440 flow [2023-11-29 07:01:40,355 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3436, PETRI_DIFFERENCE_MINUEND_PLACES=1646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1715, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1713, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3440, PETRI_PLACES=1648, PETRI_TRANSITIONS=1715} [2023-11-29 07:01:40,356 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -12 predicate places. [2023-11-29 07:01:40,356 INFO L495 AbstractCegarLoop]: Abstraction has has 1648 places, 1715 transitions, 3440 flow [2023-11-29 07:01:40,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:40,360 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:40,360 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] [2023-11-29 07:01:40,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 07:01:40,360 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:01:40,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash 879587352, now seen corresponding path program 1 times [2023-11-29 07:01:40,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:40,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924486197] [2023-11-29 07:01:40,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:40,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:40,430 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 07:01:40,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:40,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924486197] [2023-11-29 07:01:40,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924486197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:40,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:40,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:40,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155758124] [2023-11-29 07:01:40,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:40,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:40,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:40,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:40,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:40,456 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1789 [2023-11-29 07:01:40,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1648 places, 1715 transitions, 3440 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:40,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:40,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1789 [2023-11-29 07:01:40,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:42,322 INFO L124 PetriNetUnfolderBase]: 172/3546 cut-off events. [2023-11-29 07:01:42,322 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2023-11-29 07:01:42,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3584 conditions, 3546 events. 172/3546 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 22116 event pairs, 7 based on Foata normal form. 0/2829 useless extension candidates. Maximal degree in co-relation 3530. Up to 25 conditions per place. [2023-11-29 07:01:42,443 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 11 selfloop transitions, 2 changer transitions 0/1714 dead transitions. [2023-11-29 07:01:42,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1649 places, 1714 transitions, 3464 flow [2023-11-29 07:01:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5222 transitions. [2023-11-29 07:01:42,454 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9729830445313956 [2023-11-29 07:01:42,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5222 transitions. [2023-11-29 07:01:42,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5222 transitions. [2023-11-29 07:01:42,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:42,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5222 transitions. [2023-11-29 07:01:42,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1740.6666666666667) internal successors, (5222), 3 states have internal predecessors, (5222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:42,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:42,478 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:42,478 INFO L175 Difference]: Start difference. First operand has 1648 places, 1715 transitions, 3440 flow. Second operand 3 states and 5222 transitions. [2023-11-29 07:01:42,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1649 places, 1714 transitions, 3464 flow [2023-11-29 07:01:42,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1647 places, 1714 transitions, 3460 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:42,513 INFO L231 Difference]: Finished difference. Result has 1647 places, 1714 transitions, 3438 flow [2023-11-29 07:01:42,516 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3434, PETRI_DIFFERENCE_MINUEND_PLACES=1645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1714, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1712, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3438, PETRI_PLACES=1647, PETRI_TRANSITIONS=1714} [2023-11-29 07:01:42,517 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -13 predicate places. [2023-11-29 07:01:42,518 INFO L495 AbstractCegarLoop]: Abstraction has has 1647 places, 1714 transitions, 3438 flow [2023-11-29 07:01:42,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:42,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:42,520 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] [2023-11-29 07:01:42,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 07:01:42,520 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:01:42,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:42,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1385452071, now seen corresponding path program 1 times [2023-11-29 07:01:42,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:42,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344832570] [2023-11-29 07:01:42,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:42,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:42,576 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 07:01:42,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:42,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344832570] [2023-11-29 07:01:42,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344832570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:42,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:42,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:42,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736073381] [2023-11-29 07:01:42,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:42,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:42,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:42,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:42,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:42,604 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1789 [2023-11-29 07:01:42,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1647 places, 1714 transitions, 3438 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:42,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:42,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1789 [2023-11-29 07:01:42,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:44,669 INFO L124 PetriNetUnfolderBase]: 172/3545 cut-off events. [2023-11-29 07:01:44,669 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-29 07:01:44,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3583 conditions, 3545 events. 172/3545 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 23163 event pairs, 7 based on Foata normal form. 0/2829 useless extension candidates. Maximal degree in co-relation 3521. Up to 25 conditions per place. [2023-11-29 07:01:44,839 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 11 selfloop transitions, 2 changer transitions 0/1713 dead transitions. [2023-11-29 07:01:44,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1648 places, 1713 transitions, 3462 flow [2023-11-29 07:01:44,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5222 transitions. [2023-11-29 07:01:44,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9729830445313956 [2023-11-29 07:01:44,853 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5222 transitions. [2023-11-29 07:01:44,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5222 transitions. [2023-11-29 07:01:44,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:44,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5222 transitions. [2023-11-29 07:01:44,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1740.6666666666667) internal successors, (5222), 3 states have internal predecessors, (5222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:44,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:44,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:44,888 INFO L175 Difference]: Start difference. First operand has 1647 places, 1714 transitions, 3438 flow. Second operand 3 states and 5222 transitions. [2023-11-29 07:01:44,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1648 places, 1713 transitions, 3462 flow [2023-11-29 07:01:44,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1646 places, 1713 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:44,932 INFO L231 Difference]: Finished difference. Result has 1646 places, 1713 transitions, 3436 flow [2023-11-29 07:01:44,935 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=1644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3436, PETRI_PLACES=1646, PETRI_TRANSITIONS=1713} [2023-11-29 07:01:44,936 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -14 predicate places. [2023-11-29 07:01:44,936 INFO L495 AbstractCegarLoop]: Abstraction has has 1646 places, 1713 transitions, 3436 flow [2023-11-29 07:01:44,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:44,938 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:44,939 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] [2023-11-29 07:01:44,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 07:01:44,939 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:01:44,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:44,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1341153435, now seen corresponding path program 1 times [2023-11-29 07:01:44,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:44,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839866347] [2023-11-29 07:01:44,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:44,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:44,999 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 07:01:45,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:45,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839866347] [2023-11-29 07:01:45,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839866347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:45,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:45,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:45,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901871009] [2023-11-29 07:01:45,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:45,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:45,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:45,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:45,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:45,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1789 [2023-11-29 07:01:45,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1646 places, 1713 transitions, 3436 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:45,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:45,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1789 [2023-11-29 07:01:45,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:46,176 INFO L124 PetriNetUnfolderBase]: 103/2210 cut-off events. [2023-11-29 07:01:46,176 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 07:01:46,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2245 conditions, 2210 events. 103/2210 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 11479 event pairs, 7 based on Foata normal form. 0/1786 useless extension candidates. Maximal degree in co-relation 2175. Up to 25 conditions per place. [2023-11-29 07:01:46,269 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 11 selfloop transitions, 2 changer transitions 0/1712 dead transitions. [2023-11-29 07:01:46,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1647 places, 1712 transitions, 3460 flow [2023-11-29 07:01:46,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:46,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5222 transitions. [2023-11-29 07:01:46,282 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9729830445313956 [2023-11-29 07:01:46,282 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5222 transitions. [2023-11-29 07:01:46,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5222 transitions. [2023-11-29 07:01:46,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:46,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5222 transitions. [2023-11-29 07:01:46,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1740.6666666666667) internal successors, (5222), 3 states have internal predecessors, (5222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:46,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:46,301 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:46,301 INFO L175 Difference]: Start difference. First operand has 1646 places, 1713 transitions, 3436 flow. Second operand 3 states and 5222 transitions. [2023-11-29 07:01:46,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1647 places, 1712 transitions, 3460 flow [2023-11-29 07:01:46,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1645 places, 1712 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:46,325 INFO L231 Difference]: Finished difference. Result has 1645 places, 1712 transitions, 3434 flow [2023-11-29 07:01:46,328 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3430, PETRI_DIFFERENCE_MINUEND_PLACES=1643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1710, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3434, PETRI_PLACES=1645, PETRI_TRANSITIONS=1712} [2023-11-29 07:01:46,329 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -15 predicate places. [2023-11-29 07:01:46,329 INFO L495 AbstractCegarLoop]: Abstraction has has 1645 places, 1712 transitions, 3434 flow [2023-11-29 07:01:46,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:46,330 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:46,330 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 07:01:46,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 07:01:46,331 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:01:46,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:46,331 INFO L85 PathProgramCache]: Analyzing trace with hash -570911808, now seen corresponding path program 1 times [2023-11-29 07:01:46,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:46,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160156189] [2023-11-29 07:01:46,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:46,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:46,375 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 07:01:46,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:46,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160156189] [2023-11-29 07:01:46,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160156189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:46,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:46,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:46,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719800224] [2023-11-29 07:01:46,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:46,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:46,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:46,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:46,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:46,396 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1789 [2023-11-29 07:01:46,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1645 places, 1712 transitions, 3434 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:46,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:46,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1789 [2023-11-29 07:01:46,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:47,484 INFO L124 PetriNetUnfolderBase]: 103/2209 cut-off events. [2023-11-29 07:01:47,484 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 07:01:47,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2244 conditions, 2209 events. 103/2209 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 11758 event pairs, 7 based on Foata normal form. 0/1788 useless extension candidates. Maximal degree in co-relation 2166. Up to 25 conditions per place. [2023-11-29 07:01:47,601 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 11 selfloop transitions, 2 changer transitions 0/1711 dead transitions. [2023-11-29 07:01:47,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1646 places, 1711 transitions, 3458 flow [2023-11-29 07:01:47,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5222 transitions. [2023-11-29 07:01:47,613 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9729830445313956 [2023-11-29 07:01:47,613 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5222 transitions. [2023-11-29 07:01:47,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5222 transitions. [2023-11-29 07:01:47,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:47,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5222 transitions. [2023-11-29 07:01:47,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1740.6666666666667) internal successors, (5222), 3 states have internal predecessors, (5222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:47,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:47,634 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:47,634 INFO L175 Difference]: Start difference. First operand has 1645 places, 1712 transitions, 3434 flow. Second operand 3 states and 5222 transitions. [2023-11-29 07:01:47,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1646 places, 1711 transitions, 3458 flow [2023-11-29 07:01:47,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1644 places, 1711 transitions, 3454 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:47,659 INFO L231 Difference]: Finished difference. Result has 1644 places, 1711 transitions, 3432 flow [2023-11-29 07:01:47,662 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3428, PETRI_DIFFERENCE_MINUEND_PLACES=1642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3432, PETRI_PLACES=1644, PETRI_TRANSITIONS=1711} [2023-11-29 07:01:47,663 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -16 predicate places. [2023-11-29 07:01:47,663 INFO L495 AbstractCegarLoop]: Abstraction has has 1644 places, 1711 transitions, 3432 flow [2023-11-29 07:01:47,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:47,664 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:47,664 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 07:01:47,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 07:01:47,664 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:01:47,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:47,665 INFO L85 PathProgramCache]: Analyzing trace with hash -212333697, now seen corresponding path program 1 times [2023-11-29 07:01:47,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:47,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170419619] [2023-11-29 07:01:47,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:47,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:47,711 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 07:01:47,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:47,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170419619] [2023-11-29 07:01:47,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170419619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:47,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:47,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:47,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95918685] [2023-11-29 07:01:47,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:47,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:47,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:47,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:47,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:47,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1728 out of 1789 [2023-11-29 07:01:47,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1644 places, 1711 transitions, 3432 flow. Second operand has 3 states, 3 states have (on average 1729.3333333333333) internal successors, (5188), 3 states have internal predecessors, (5188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:47,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:47,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1728 of 1789 [2023-11-29 07:01:47,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:01:52,094 INFO L124 PetriNetUnfolderBase]: 505/9882 cut-off events. [2023-11-29 07:01:52,095 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 07:01:52,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9965 conditions, 9882 events. 505/9882 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 89687 event pairs, 18 based on Foata normal form. 0/7794 useless extension candidates. Maximal degree in co-relation 9879. Up to 56 conditions per place. [2023-11-29 07:01:52,453 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 19 selfloop transitions, 2 changer transitions 0/1710 dead transitions. [2023-11-29 07:01:52,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1645 places, 1710 transitions, 3472 flow [2023-11-29 07:01:52,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:01:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:01:52,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5206 transitions. [2023-11-29 07:01:52,463 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9700018632383082 [2023-11-29 07:01:52,463 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5206 transitions. [2023-11-29 07:01:52,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5206 transitions. [2023-11-29 07:01:52,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:01:52,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5206 transitions. [2023-11-29 07:01:52,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1735.3333333333333) internal successors, (5206), 3 states have internal predecessors, (5206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:52,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:52,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:52,476 INFO L175 Difference]: Start difference. First operand has 1644 places, 1711 transitions, 3432 flow. Second operand 3 states and 5206 transitions. [2023-11-29 07:01:52,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1645 places, 1710 transitions, 3472 flow [2023-11-29 07:01:52,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1643 places, 1710 transitions, 3468 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:01:52,499 INFO L231 Difference]: Finished difference. Result has 1643 places, 1710 transitions, 3430 flow [2023-11-29 07:01:52,502 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=1641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3430, PETRI_PLACES=1643, PETRI_TRANSITIONS=1710} [2023-11-29 07:01:52,502 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -17 predicate places. [2023-11-29 07:01:52,502 INFO L495 AbstractCegarLoop]: Abstraction has has 1643 places, 1710 transitions, 3430 flow [2023-11-29 07:01:52,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1729.3333333333333) internal successors, (5188), 3 states have internal predecessors, (5188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:52,503 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:01:52,503 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:01:52,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 07:01:52,504 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:01:52,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:01:52,504 INFO L85 PathProgramCache]: Analyzing trace with hash 476182430, now seen corresponding path program 1 times [2023-11-29 07:01:52,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:01:52,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004975132] [2023-11-29 07:01:52,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:01:52,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:01:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:01:52,547 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 07:01:52,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:01:52,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004975132] [2023-11-29 07:01:52,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004975132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:01:52,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:01:52,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:01:52,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289801483] [2023-11-29 07:01:52,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:01:52,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:01:52,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:01:52,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:01:52,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:01:52,620 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1723 out of 1789 [2023-11-29 07:01:52,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1643 places, 1710 transitions, 3430 flow. Second operand has 3 states, 3 states have (on average 1724.3333333333333) internal successors, (5173), 3 states have internal predecessors, (5173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:01:52,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:01:52,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1723 of 1789 [2023-11-29 07:01:52,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:00,521 INFO L124 PetriNetUnfolderBase]: 793/15329 cut-off events. [2023-11-29 07:02:00,521 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 07:02:00,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15453 conditions, 15329 events. 793/15329 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 155440 event pairs, 30 based on Foata normal form. 0/12064 useless extension candidates. Maximal degree in co-relation 15359. Up to 85 conditions per place. [2023-11-29 07:02:01,194 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 24 selfloop transitions, 2 changer transitions 0/1709 dead transitions. [2023-11-29 07:02:01,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1644 places, 1709 transitions, 3480 flow [2023-11-29 07:02:01,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:01,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5196 transitions. [2023-11-29 07:02:01,205 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9681386249301286 [2023-11-29 07:02:01,205 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5196 transitions. [2023-11-29 07:02:01,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5196 transitions. [2023-11-29 07:02:01,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:01,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5196 transitions. [2023-11-29 07:02:01,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1732.0) internal successors, (5196), 3 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:01,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:01,221 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:01,221 INFO L175 Difference]: Start difference. First operand has 1643 places, 1710 transitions, 3430 flow. Second operand 3 states and 5196 transitions. [2023-11-29 07:02:01,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1644 places, 1709 transitions, 3480 flow [2023-11-29 07:02:01,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1642 places, 1709 transitions, 3476 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:01,250 INFO L231 Difference]: Finished difference. Result has 1642 places, 1709 transitions, 3428 flow [2023-11-29 07:02:01,253 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3424, PETRI_DIFFERENCE_MINUEND_PLACES=1640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3428, PETRI_PLACES=1642, PETRI_TRANSITIONS=1709} [2023-11-29 07:02:01,253 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -18 predicate places. [2023-11-29 07:02:01,253 INFO L495 AbstractCegarLoop]: Abstraction has has 1642 places, 1709 transitions, 3428 flow [2023-11-29 07:02:01,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1724.3333333333333) internal successors, (5173), 3 states have internal predecessors, (5173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:01,254 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:01,254 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:02:01,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 07:02:01,254 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:01,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:01,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1908729497, now seen corresponding path program 1 times [2023-11-29 07:02:01,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:01,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934583425] [2023-11-29 07:02:01,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:01,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:01,304 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 07:02:01,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:01,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934583425] [2023-11-29 07:02:01,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934583425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:01,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:01,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:01,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450509543] [2023-11-29 07:02:01,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:01,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:01,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:01,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:01,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:01,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1728 out of 1789 [2023-11-29 07:02:01,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1642 places, 1709 transitions, 3428 flow. Second operand has 3 states, 3 states have (on average 1729.3333333333333) internal successors, (5188), 3 states have internal predecessors, (5188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:01,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:01,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1728 of 1789 [2023-11-29 07:02:01,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:05,135 INFO L124 PetriNetUnfolderBase]: 298/5902 cut-off events. [2023-11-29 07:02:05,135 INFO L125 PetriNetUnfolderBase]: For 12/15 co-relation queries the response was YES. [2023-11-29 07:02:05,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5976 conditions, 5902 events. 298/5902 cut-off events. For 12/15 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 44507 event pairs, 18 based on Foata normal form. 0/4687 useless extension candidates. Maximal degree in co-relation 5874. Up to 56 conditions per place. [2023-11-29 07:02:05,388 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 19 selfloop transitions, 2 changer transitions 0/1708 dead transitions. [2023-11-29 07:02:05,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1643 places, 1708 transitions, 3468 flow [2023-11-29 07:02:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5206 transitions. [2023-11-29 07:02:05,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9700018632383082 [2023-11-29 07:02:05,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5206 transitions. [2023-11-29 07:02:05,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5206 transitions. [2023-11-29 07:02:05,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:05,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5206 transitions. [2023-11-29 07:02:05,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1735.3333333333333) internal successors, (5206), 3 states have internal predecessors, (5206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:05,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:05,409 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:05,409 INFO L175 Difference]: Start difference. First operand has 1642 places, 1709 transitions, 3428 flow. Second operand 3 states and 5206 transitions. [2023-11-29 07:02:05,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1643 places, 1708 transitions, 3468 flow [2023-11-29 07:02:05,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1641 places, 1708 transitions, 3464 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:05,432 INFO L231 Difference]: Finished difference. Result has 1641 places, 1708 transitions, 3426 flow [2023-11-29 07:02:05,435 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3422, PETRI_DIFFERENCE_MINUEND_PLACES=1639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3426, PETRI_PLACES=1641, PETRI_TRANSITIONS=1708} [2023-11-29 07:02:05,435 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -19 predicate places. [2023-11-29 07:02:05,435 INFO L495 AbstractCegarLoop]: Abstraction has has 1641 places, 1708 transitions, 3426 flow [2023-11-29 07:02:05,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1729.3333333333333) internal successors, (5188), 3 states have internal predecessors, (5188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:05,436 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:05,436 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:02:05,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 07:02:05,437 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:05,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:05,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1630514789, now seen corresponding path program 1 times [2023-11-29 07:02:05,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:05,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720160563] [2023-11-29 07:02:05,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:05,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:05,481 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 07:02:05,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:05,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720160563] [2023-11-29 07:02:05,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720160563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:05,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:05,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:05,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331967505] [2023-11-29 07:02:05,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:05,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:05,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:05,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:05,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:05,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1723 out of 1789 [2023-11-29 07:02:05,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1641 places, 1708 transitions, 3426 flow. Second operand has 3 states, 3 states have (on average 1724.3333333333333) internal successors, (5173), 3 states have internal predecessors, (5173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:05,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:05,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1723 of 1789 [2023-11-29 07:02:05,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:10,937 INFO L124 PetriNetUnfolderBase]: 448/8697 cut-off events. [2023-11-29 07:02:10,937 INFO L125 PetriNetUnfolderBase]: For 18/22 co-relation queries the response was YES. [2023-11-29 07:02:11,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8806 conditions, 8697 events. 448/8697 cut-off events. For 18/22 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 74310 event pairs, 30 based on Foata normal form. 0/6883 useless extension candidates. Maximal degree in co-relation 8696. Up to 85 conditions per place. [2023-11-29 07:02:11,327 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 24 selfloop transitions, 2 changer transitions 0/1707 dead transitions. [2023-11-29 07:02:11,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1642 places, 1707 transitions, 3476 flow [2023-11-29 07:02:11,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5196 transitions. [2023-11-29 07:02:11,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9681386249301286 [2023-11-29 07:02:11,336 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5196 transitions. [2023-11-29 07:02:11,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5196 transitions. [2023-11-29 07:02:11,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:11,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5196 transitions. [2023-11-29 07:02:11,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1732.0) internal successors, (5196), 3 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:11,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:11,345 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:11,345 INFO L175 Difference]: Start difference. First operand has 1641 places, 1708 transitions, 3426 flow. Second operand 3 states and 5196 transitions. [2023-11-29 07:02:11,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1642 places, 1707 transitions, 3476 flow [2023-11-29 07:02:11,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1640 places, 1707 transitions, 3472 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:11,367 INFO L231 Difference]: Finished difference. Result has 1640 places, 1707 transitions, 3424 flow [2023-11-29 07:02:11,369 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3420, PETRI_DIFFERENCE_MINUEND_PLACES=1638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1707, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1640, PETRI_TRANSITIONS=1707} [2023-11-29 07:02:11,370 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -20 predicate places. [2023-11-29 07:02:11,370 INFO L495 AbstractCegarLoop]: Abstraction has has 1640 places, 1707 transitions, 3424 flow [2023-11-29 07:02:11,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1724.3333333333333) internal successors, (5173), 3 states have internal predecessors, (5173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:11,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:11,371 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:02:11,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 07:02:11,371 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:11,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:11,372 INFO L85 PathProgramCache]: Analyzing trace with hash -975397882, now seen corresponding path program 1 times [2023-11-29 07:02:11,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:11,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20532161] [2023-11-29 07:02:11,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:11,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:11,411 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 07:02:11,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:11,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20532161] [2023-11-29 07:02:11,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20532161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:11,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:11,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:11,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110988157] [2023-11-29 07:02:11,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:11,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:11,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:11,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:11,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:11,458 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1728 out of 1789 [2023-11-29 07:02:11,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1640 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1729.3333333333333) internal successors, (5188), 3 states have internal predecessors, (5188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:11,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:11,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1728 of 1789 [2023-11-29 07:02:11,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:12,597 INFO L124 PetriNetUnfolderBase]: 91/1886 cut-off events. [2023-11-29 07:02:12,597 INFO L125 PetriNetUnfolderBase]: For 21/23 co-relation queries the response was YES. [2023-11-29 07:02:12,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1951 conditions, 1886 events. 91/1886 cut-off events. For 21/23 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 9763 event pairs, 18 based on Foata normal form. 0/1552 useless extension candidates. Maximal degree in co-relation 1833. Up to 56 conditions per place. [2023-11-29 07:02:12,677 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 19 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2023-11-29 07:02:12,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1706 transitions, 3464 flow [2023-11-29 07:02:12,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:12,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5206 transitions. [2023-11-29 07:02:12,688 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9700018632383082 [2023-11-29 07:02:12,688 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5206 transitions. [2023-11-29 07:02:12,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5206 transitions. [2023-11-29 07:02:12,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:12,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5206 transitions. [2023-11-29 07:02:12,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1735.3333333333333) internal successors, (5206), 3 states have internal predecessors, (5206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:12,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:12,702 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:12,702 INFO L175 Difference]: Start difference. First operand has 1640 places, 1707 transitions, 3424 flow. Second operand 3 states and 5206 transitions. [2023-11-29 07:02:12,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1706 transitions, 3464 flow [2023-11-29 07:02:12,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1706 transitions, 3460 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:12,727 INFO L231 Difference]: Finished difference. Result has 1639 places, 1706 transitions, 3422 flow [2023-11-29 07:02:12,729 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1639, PETRI_TRANSITIONS=1706} [2023-11-29 07:02:12,730 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -21 predicate places. [2023-11-29 07:02:12,730 INFO L495 AbstractCegarLoop]: Abstraction has has 1639 places, 1706 transitions, 3422 flow [2023-11-29 07:02:12,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1729.3333333333333) internal successors, (5188), 3 states have internal predecessors, (5188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:12,731 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:12,731 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] [2023-11-29 07:02:12,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 07:02:12,731 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:12,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:12,732 INFO L85 PathProgramCache]: Analyzing trace with hash -275936956, now seen corresponding path program 1 times [2023-11-29 07:02:12,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:12,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489916757] [2023-11-29 07:02:12,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:12,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:12,781 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 07:02:12,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:12,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489916757] [2023-11-29 07:02:12,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489916757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:12,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:12,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:12,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866809464] [2023-11-29 07:02:12,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:12,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:12,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:12,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:12,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:12,867 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1723 out of 1789 [2023-11-29 07:02:12,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1724.3333333333333) internal successors, (5173), 3 states have internal predecessors, (5173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:12,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:12,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1723 of 1789 [2023-11-29 07:02:12,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:14,288 INFO L124 PetriNetUnfolderBase]: 136/2400 cut-off events. [2023-11-29 07:02:14,289 INFO L125 PetriNetUnfolderBase]: For 34/36 co-relation queries the response was YES. [2023-11-29 07:02:14,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2495 conditions, 2400 events. 136/2400 cut-off events. For 34/36 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 14171 event pairs, 30 based on Foata normal form. 0/1937 useless extension candidates. Maximal degree in co-relation 2369. Up to 86 conditions per place. [2023-11-29 07:02:14,373 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 24 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2023-11-29 07:02:14,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1705 transitions, 3472 flow [2023-11-29 07:02:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5196 transitions. [2023-11-29 07:02:14,383 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9681386249301286 [2023-11-29 07:02:14,383 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5196 transitions. [2023-11-29 07:02:14,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5196 transitions. [2023-11-29 07:02:14,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:14,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5196 transitions. [2023-11-29 07:02:14,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1732.0) internal successors, (5196), 3 states have internal predecessors, (5196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:14,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:14,394 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:14,394 INFO L175 Difference]: Start difference. First operand has 1639 places, 1706 transitions, 3422 flow. Second operand 3 states and 5196 transitions. [2023-11-29 07:02:14,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1705 transitions, 3472 flow [2023-11-29 07:02:14,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1705 transitions, 3468 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:14,413 INFO L231 Difference]: Finished difference. Result has 1638 places, 1705 transitions, 3420 flow [2023-11-29 07:02:14,414 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1638, PETRI_TRANSITIONS=1705} [2023-11-29 07:02:14,415 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -22 predicate places. [2023-11-29 07:02:14,415 INFO L495 AbstractCegarLoop]: Abstraction has has 1638 places, 1705 transitions, 3420 flow [2023-11-29 07:02:14,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1724.3333333333333) internal successors, (5173), 3 states have internal predecessors, (5173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:14,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:14,416 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] [2023-11-29 07:02:14,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 07:02:14,417 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:14,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:14,417 INFO L85 PathProgramCache]: Analyzing trace with hash -908617403, now seen corresponding path program 1 times [2023-11-29 07:02:14,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:14,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272821684] [2023-11-29 07:02:14,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:14,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:14,450 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 07:02:14,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:14,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272821684] [2023-11-29 07:02:14,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272821684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:14,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:14,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:14,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039176930] [2023-11-29 07:02:14,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:14,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:14,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:14,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:14,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:14,498 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1789 [2023-11-29 07:02:14,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:14,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:14,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1789 [2023-11-29 07:02:14,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:16,589 INFO L124 PetriNetUnfolderBase]: 243/4442 cut-off events. [2023-11-29 07:02:16,589 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-29 07:02:16,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4541 conditions, 4442 events. 243/4442 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 34346 event pairs, 32 based on Foata normal form. 0/3543 useless extension candidates. Maximal degree in co-relation 4407. Up to 82 conditions per place. [2023-11-29 07:02:16,793 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 17 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2023-11-29 07:02:16,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1704 transitions, 3456 flow [2023-11-29 07:02:16,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5210 transitions. [2023-11-29 07:02:16,797 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.97074715856158 [2023-11-29 07:02:16,797 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5210 transitions. [2023-11-29 07:02:16,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5210 transitions. [2023-11-29 07:02:16,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:16,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5210 transitions. [2023-11-29 07:02:16,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1736.6666666666667) internal successors, (5210), 3 states have internal predecessors, (5210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:16,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:16,808 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:16,808 INFO L175 Difference]: Start difference. First operand has 1638 places, 1705 transitions, 3420 flow. Second operand 3 states and 5210 transitions. [2023-11-29 07:02:16,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1704 transitions, 3456 flow [2023-11-29 07:02:16,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1704 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:16,826 INFO L231 Difference]: Finished difference. Result has 1637 places, 1704 transitions, 3418 flow [2023-11-29 07:02:16,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1637, PETRI_TRANSITIONS=1704} [2023-11-29 07:02:16,828 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -23 predicate places. [2023-11-29 07:02:16,828 INFO L495 AbstractCegarLoop]: Abstraction has has 1637 places, 1704 transitions, 3418 flow [2023-11-29 07:02:16,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:16,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:16,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:02:16,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 07:02:16,829 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:16,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:16,830 INFO L85 PathProgramCache]: Analyzing trace with hash -2048487296, now seen corresponding path program 1 times [2023-11-29 07:02:16,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:16,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703610550] [2023-11-29 07:02:16,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:16,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:16,871 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 07:02:16,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:16,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703610550] [2023-11-29 07:02:16,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703610550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:16,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:16,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:16,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038520556] [2023-11-29 07:02:16,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:16,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:16,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:16,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:16,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:16,921 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1789 [2023-11-29 07:02:16,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:16,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:16,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1789 [2023-11-29 07:02:16,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:19,893 INFO L124 PetriNetUnfolderBase]: 459/8025 cut-off events. [2023-11-29 07:02:19,893 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2023-11-29 07:02:20,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8192 conditions, 8025 events. 459/8025 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 76049 event pairs, 64 based on Foata normal form. 0/6340 useless extension candidates. Maximal degree in co-relation 8051. Up to 130 conditions per place. [2023-11-29 07:02:20,112 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 17 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2023-11-29 07:02:20,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1703 transitions, 3454 flow [2023-11-29 07:02:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:20,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:20,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5210 transitions. [2023-11-29 07:02:20,116 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.97074715856158 [2023-11-29 07:02:20,116 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5210 transitions. [2023-11-29 07:02:20,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5210 transitions. [2023-11-29 07:02:20,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:20,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5210 transitions. [2023-11-29 07:02:20,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1736.6666666666667) internal successors, (5210), 3 states have internal predecessors, (5210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:20,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:20,124 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:20,124 INFO L175 Difference]: Start difference. First operand has 1637 places, 1704 transitions, 3418 flow. Second operand 3 states and 5210 transitions. [2023-11-29 07:02:20,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1703 transitions, 3454 flow [2023-11-29 07:02:20,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1703 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:20,142 INFO L231 Difference]: Finished difference. Result has 1636 places, 1703 transitions, 3416 flow [2023-11-29 07:02:20,144 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1636, PETRI_TRANSITIONS=1703} [2023-11-29 07:02:20,144 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -24 predicate places. [2023-11-29 07:02:20,144 INFO L495 AbstractCegarLoop]: Abstraction has has 1636 places, 1703 transitions, 3416 flow [2023-11-29 07:02:20,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:20,145 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:20,145 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] [2023-11-29 07:02:20,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 07:02:20,145 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:20,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:20,146 INFO L85 PathProgramCache]: Analyzing trace with hash 428223774, now seen corresponding path program 1 times [2023-11-29 07:02:20,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:20,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648995188] [2023-11-29 07:02:20,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:20,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:20,192 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 07:02:20,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:20,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648995188] [2023-11-29 07:02:20,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648995188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:20,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:20,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:20,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272055439] [2023-11-29 07:02:20,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:20,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:20,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:20,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:20,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:20,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1789 [2023-11-29 07:02:20,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:20,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:20,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1789 [2023-11-29 07:02:20,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:22,614 INFO L124 PetriNetUnfolderBase]: 316/5441 cut-off events. [2023-11-29 07:02:22,614 INFO L125 PetriNetUnfolderBase]: For 32/73 co-relation queries the response was YES. [2023-11-29 07:02:22,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5593 conditions, 5441 events. 316/5441 cut-off events. For 32/73 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 43714 event pairs, 64 based on Foata normal form. 0/4343 useless extension candidates. Maximal degree in co-relation 5445. Up to 139 conditions per place. [2023-11-29 07:02:22,869 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 17 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2023-11-29 07:02:22,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1702 transitions, 3452 flow [2023-11-29 07:02:22,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5210 transitions. [2023-11-29 07:02:22,874 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.97074715856158 [2023-11-29 07:02:22,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5210 transitions. [2023-11-29 07:02:22,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5210 transitions. [2023-11-29 07:02:22,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:22,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5210 transitions. [2023-11-29 07:02:22,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1736.6666666666667) internal successors, (5210), 3 states have internal predecessors, (5210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:22,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:22,882 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:22,882 INFO L175 Difference]: Start difference. First operand has 1636 places, 1703 transitions, 3416 flow. Second operand 3 states and 5210 transitions. [2023-11-29 07:02:22,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1702 transitions, 3452 flow [2023-11-29 07:02:22,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1702 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:22,901 INFO L231 Difference]: Finished difference. Result has 1635 places, 1702 transitions, 3414 flow [2023-11-29 07:02:22,903 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=1633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3414, PETRI_PLACES=1635, PETRI_TRANSITIONS=1702} [2023-11-29 07:02:22,903 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -25 predicate places. [2023-11-29 07:02:22,903 INFO L495 AbstractCegarLoop]: Abstraction has has 1635 places, 1702 transitions, 3414 flow [2023-11-29 07:02:22,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:22,904 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:22,904 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] [2023-11-29 07:02:22,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 07:02:22,904 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:22,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:22,904 INFO L85 PathProgramCache]: Analyzing trace with hash 190004976, now seen corresponding path program 1 times [2023-11-29 07:02:22,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:22,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508402974] [2023-11-29 07:02:22,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:22,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:22,950 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 07:02:22,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:22,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508402974] [2023-11-29 07:02:22,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508402974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:22,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:22,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:22,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904269661] [2023-11-29 07:02:22,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:22,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:22,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:22,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:22,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:23,014 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1724 out of 1789 [2023-11-29 07:02:23,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:23,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:23,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1724 of 1789 [2023-11-29 07:02:23,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:29,998 INFO L124 PetriNetUnfolderBase]: 745/14413 cut-off events. [2023-11-29 07:02:29,998 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 07:02:30,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14530 conditions, 14413 events. 745/14413 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 145156 event pairs, 28 based on Foata normal form. 0/11358 useless extension candidates. Maximal degree in co-relation 14375. Up to 80 conditions per place. [2023-11-29 07:02:30,554 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 23 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2023-11-29 07:02:30,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1701 transitions, 3462 flow [2023-11-29 07:02:30,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5198 transitions. [2023-11-29 07:02:30,649 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9685112725917645 [2023-11-29 07:02:30,649 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5198 transitions. [2023-11-29 07:02:30,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5198 transitions. [2023-11-29 07:02:30,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:30,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5198 transitions. [2023-11-29 07:02:30,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1732.6666666666667) internal successors, (5198), 3 states have internal predecessors, (5198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:30,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:30,661 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:30,661 INFO L175 Difference]: Start difference. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand 3 states and 5198 transitions. [2023-11-29 07:02:30,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1701 transitions, 3462 flow [2023-11-29 07:02:30,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1701 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:30,681 INFO L231 Difference]: Finished difference. Result has 1634 places, 1701 transitions, 3412 flow [2023-11-29 07:02:30,683 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3408, PETRI_DIFFERENCE_MINUEND_PLACES=1632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3412, PETRI_PLACES=1634, PETRI_TRANSITIONS=1701} [2023-11-29 07:02:30,683 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -26 predicate places. [2023-11-29 07:02:30,683 INFO L495 AbstractCegarLoop]: Abstraction has has 1634 places, 1701 transitions, 3412 flow [2023-11-29 07:02:30,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:30,684 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:30,684 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] [2023-11-29 07:02:30,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 07:02:30,684 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:30,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:30,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1129027513, now seen corresponding path program 1 times [2023-11-29 07:02:30,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:30,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312247154] [2023-11-29 07:02:30,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:30,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:30,720 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 07:02:30,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:30,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312247154] [2023-11-29 07:02:30,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312247154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:30,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:30,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:30,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012468216] [2023-11-29 07:02:30,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:30,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:30,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:30,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:30,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:30,783 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1724 out of 1789 [2023-11-29 07:02:30,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:30,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:30,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1724 of 1789 [2023-11-29 07:02:30,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:35,806 INFO L124 PetriNetUnfolderBase]: 423/8224 cut-off events. [2023-11-29 07:02:35,806 INFO L125 PetriNetUnfolderBase]: For 17/20 co-relation queries the response was YES. [2023-11-29 07:02:36,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8327 conditions, 8224 events. 423/8224 cut-off events. For 17/20 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 69434 event pairs, 28 based on Foata normal form. 0/6519 useless extension candidates. Maximal degree in co-relation 8165. Up to 80 conditions per place. [2023-11-29 07:02:36,253 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 23 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2023-11-29 07:02:36,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1700 transitions, 3460 flow [2023-11-29 07:02:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5198 transitions. [2023-11-29 07:02:36,260 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9685112725917645 [2023-11-29 07:02:36,260 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5198 transitions. [2023-11-29 07:02:36,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5198 transitions. [2023-11-29 07:02:36,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:36,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5198 transitions. [2023-11-29 07:02:36,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1732.6666666666667) internal successors, (5198), 3 states have internal predecessors, (5198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:36,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:36,271 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:36,272 INFO L175 Difference]: Start difference. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand 3 states and 5198 transitions. [2023-11-29 07:02:36,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1700 transitions, 3460 flow [2023-11-29 07:02:36,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1700 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:36,296 INFO L231 Difference]: Finished difference. Result has 1633 places, 1700 transitions, 3410 flow [2023-11-29 07:02:36,298 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=1631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3410, PETRI_PLACES=1633, PETRI_TRANSITIONS=1700} [2023-11-29 07:02:36,298 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -27 predicate places. [2023-11-29 07:02:36,298 INFO L495 AbstractCegarLoop]: Abstraction has has 1633 places, 1700 transitions, 3410 flow [2023-11-29 07:02:36,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:36,299 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:36,299 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] [2023-11-29 07:02:36,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 07:02:36,300 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:36,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:36,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1391956583, now seen corresponding path program 1 times [2023-11-29 07:02:36,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:36,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068469292] [2023-11-29 07:02:36,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:36,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:36,358 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 07:02:36,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:36,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068469292] [2023-11-29 07:02:36,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068469292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:36,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:36,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:36,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144517660] [2023-11-29 07:02:36,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:36,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:36,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:36,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:36,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:36,424 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1724 out of 1789 [2023-11-29 07:02:36,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:36,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:36,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1724 of 1789 [2023-11-29 07:02:36,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:37,497 INFO L124 PetriNetUnfolderBase]: 101/1979 cut-off events. [2023-11-29 07:02:37,498 INFO L125 PetriNetUnfolderBase]: For 31/33 co-relation queries the response was YES. [2023-11-29 07:02:37,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2068 conditions, 1979 events. 101/1979 cut-off events. For 31/33 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 10651 event pairs, 28 based on Foata normal form. 0/1643 useless extension candidates. Maximal degree in co-relation 1899. Up to 80 conditions per place. [2023-11-29 07:02:37,576 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 23 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2023-11-29 07:02:37,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1699 transitions, 3458 flow [2023-11-29 07:02:37,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:02:37,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:02:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5198 transitions. [2023-11-29 07:02:37,580 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9685112725917645 [2023-11-29 07:02:37,580 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5198 transitions. [2023-11-29 07:02:37,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5198 transitions. [2023-11-29 07:02:37,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:02:37,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5198 transitions. [2023-11-29 07:02:37,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1732.6666666666667) internal successors, (5198), 3 states have internal predecessors, (5198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:37,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:37,587 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:37,588 INFO L175 Difference]: Start difference. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand 3 states and 5198 transitions. [2023-11-29 07:02:37,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1699 transitions, 3458 flow [2023-11-29 07:02:37,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1699 transitions, 3454 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:02:37,607 INFO L231 Difference]: Finished difference. Result has 1632 places, 1699 transitions, 3408 flow [2023-11-29 07:02:37,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=1630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3408, PETRI_PLACES=1632, PETRI_TRANSITIONS=1699} [2023-11-29 07:02:37,609 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -28 predicate places. [2023-11-29 07:02:37,609 INFO L495 AbstractCegarLoop]: Abstraction has has 1632 places, 1699 transitions, 3408 flow [2023-11-29 07:02:37,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:37,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:02:37,610 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] [2023-11-29 07:02:37,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 07:02:37,610 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:02:37,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:37,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1514017181, now seen corresponding path program 1 times [2023-11-29 07:02:37,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:37,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438638529] [2023-11-29 07:02:37,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:37,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:37,802 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 07:02:37,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:37,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438638529] [2023-11-29 07:02:37,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438638529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:37,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:37,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:02:37,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699773769] [2023-11-29 07:02:37,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:37,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:02:37,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:37,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:02:37,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:02:38,030 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1676 out of 1789 [2023-11-29 07:02:38,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand has 3 states, 3 states have (on average 1678.0) internal successors, (5034), 3 states have internal predecessors, (5034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:02:38,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:02:38,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1676 of 1789 [2023-11-29 07:02:38,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:02:58,687 INFO L124 PetriNetUnfolderBase]: 12001/56288 cut-off events. [2023-11-29 07:02:58,687 INFO L125 PetriNetUnfolderBase]: For 91/97 co-relation queries the response was YES. [2023-11-29 07:02:59,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70504 conditions, 56288 events. 12001/56288 cut-off events. For 91/97 co-relation queries the response was YES. Maximal size of possible extension queue 1326. Compared 796700 event pairs, 9904 based on Foata normal form. 0/43493 useless extension candidates. Maximal degree in co-relation 70329. Up to 14115 conditions per place. [2023-11-29 07:03:00,027 INFO L140 encePairwiseOnDemand]: 1780/1789 looper letters, 66 selfloop transitions, 6 changer transitions 0/1696 dead transitions. [2023-11-29 07:03:00,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1631 places, 1696 transitions, 3546 flow [2023-11-29 07:03:00,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:03:00,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:03:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5103 transitions. [2023-11-29 07:03:00,032 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9508105086640581 [2023-11-29 07:03:00,032 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5103 transitions. [2023-11-29 07:03:00,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5103 transitions. [2023-11-29 07:03:00,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:03:00,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5103 transitions. [2023-11-29 07:03:00,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1701.0) internal successors, (5103), 3 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:00,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:00,043 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:00,043 INFO L175 Difference]: Start difference. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand 3 states and 5103 transitions. [2023-11-29 07:03:00,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1631 places, 1696 transitions, 3546 flow [2023-11-29 07:03:00,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1629 places, 1696 transitions, 3542 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:03:00,069 INFO L231 Difference]: Finished difference. Result has 1629 places, 1696 transitions, 3410 flow [2023-11-29 07:03:00,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3398, PETRI_DIFFERENCE_MINUEND_PLACES=1627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1696, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1690, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3410, PETRI_PLACES=1629, PETRI_TRANSITIONS=1696} [2023-11-29 07:03:00,071 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -31 predicate places. [2023-11-29 07:03:00,071 INFO L495 AbstractCegarLoop]: Abstraction has has 1629 places, 1696 transitions, 3410 flow [2023-11-29 07:03:00,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1678.0) internal successors, (5034), 3 states have internal predecessors, (5034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:00,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:03:00,072 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] [2023-11-29 07:03:00,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 07:03:00,072 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:03:00,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:00,073 INFO L85 PathProgramCache]: Analyzing trace with hash 653565139, now seen corresponding path program 1 times [2023-11-29 07:03:00,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:00,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055394646] [2023-11-29 07:03:00,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:00,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:00,127 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 07:03:00,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:00,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055394646] [2023-11-29 07:03:00,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055394646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:00,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:00,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:03:00,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430988446] [2023-11-29 07:03:00,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:00,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:03:00,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:00,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:03:00,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:03:00,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1789 [2023-11-29 07:03:00,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1629 places, 1696 transitions, 3410 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:00,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:03:00,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1789 [2023-11-29 07:03:00,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:03:02,795 INFO L124 PetriNetUnfolderBase]: 289/5423 cut-off events. [2023-11-29 07:03:02,795 INFO L125 PetriNetUnfolderBase]: For 11/13 co-relation queries the response was YES. [2023-11-29 07:03:02,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5526 conditions, 5423 events. 289/5423 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 41820 event pairs, 32 based on Foata normal form. 0/4325 useless extension candidates. Maximal degree in co-relation 5496. Up to 82 conditions per place. [2023-11-29 07:03:02,981 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 17 selfloop transitions, 2 changer transitions 0/1695 dead transitions. [2023-11-29 07:03:02,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1630 places, 1695 transitions, 3446 flow [2023-11-29 07:03:02,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:03:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:03:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5210 transitions. [2023-11-29 07:03:02,985 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.97074715856158 [2023-11-29 07:03:02,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5210 transitions. [2023-11-29 07:03:02,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5210 transitions. [2023-11-29 07:03:02,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:03:02,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5210 transitions. [2023-11-29 07:03:02,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1736.6666666666667) internal successors, (5210), 3 states have internal predecessors, (5210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:02,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:02,992 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:02,992 INFO L175 Difference]: Start difference. First operand has 1629 places, 1696 transitions, 3410 flow. Second operand 3 states and 5210 transitions. [2023-11-29 07:03:02,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1630 places, 1695 transitions, 3446 flow [2023-11-29 07:03:02,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1628 places, 1695 transitions, 3434 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:03:03,013 INFO L231 Difference]: Finished difference. Result has 1628 places, 1695 transitions, 3400 flow [2023-11-29 07:03:03,014 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3396, PETRI_DIFFERENCE_MINUEND_PLACES=1626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3400, PETRI_PLACES=1628, PETRI_TRANSITIONS=1695} [2023-11-29 07:03:03,015 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -32 predicate places. [2023-11-29 07:03:03,015 INFO L495 AbstractCegarLoop]: Abstraction has has 1628 places, 1695 transitions, 3400 flow [2023-11-29 07:03:03,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:03,016 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:03:03,016 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] [2023-11-29 07:03:03,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 07:03:03,016 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:03:03,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:03,016 INFO L85 PathProgramCache]: Analyzing trace with hash -128157283, now seen corresponding path program 1 times [2023-11-29 07:03:03,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:03,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045707966] [2023-11-29 07:03:03,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:03,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 07:03:03,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:03,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045707966] [2023-11-29 07:03:03,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045707966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:03,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:03,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:03:03,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617937884] [2023-11-29 07:03:03,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:03,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:03:03,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:03,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:03:03,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:03:03,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1789 [2023-11-29 07:03:03,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:03,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:03:03,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1789 [2023-11-29 07:03:03,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:03:08,445 INFO L124 PetriNetUnfolderBase]: 781/14518 cut-off events. [2023-11-29 07:03:08,445 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 07:03:08,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14685 conditions, 14518 events. 781/14518 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 142054 event pairs, 64 based on Foata normal form. 0/11425 useless extension candidates. Maximal degree in co-relation 14466. Up to 130 conditions per place. [2023-11-29 07:03:08,719 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 17 selfloop transitions, 2 changer transitions 0/1694 dead transitions. [2023-11-29 07:03:08,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1629 places, 1694 transitions, 3436 flow [2023-11-29 07:03:08,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:03:08,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:03:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5210 transitions. [2023-11-29 07:03:08,725 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.97074715856158 [2023-11-29 07:03:08,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5210 transitions. [2023-11-29 07:03:08,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5210 transitions. [2023-11-29 07:03:08,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:03:08,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5210 transitions. [2023-11-29 07:03:08,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1736.6666666666667) internal successors, (5210), 3 states have internal predecessors, (5210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:08,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:08,736 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:08,736 INFO L175 Difference]: Start difference. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand 3 states and 5210 transitions. [2023-11-29 07:03:08,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1629 places, 1694 transitions, 3436 flow [2023-11-29 07:03:08,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1627 places, 1694 transitions, 3432 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:03:08,764 INFO L231 Difference]: Finished difference. Result has 1627 places, 1694 transitions, 3398 flow [2023-11-29 07:03:08,766 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3394, PETRI_DIFFERENCE_MINUEND_PLACES=1625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3398, PETRI_PLACES=1627, PETRI_TRANSITIONS=1694} [2023-11-29 07:03:08,766 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -33 predicate places. [2023-11-29 07:03:08,766 INFO L495 AbstractCegarLoop]: Abstraction has has 1627 places, 1694 transitions, 3398 flow [2023-11-29 07:03:08,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:08,767 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:03:08,768 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:03:08,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 07:03:08,768 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:03:08,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:08,768 INFO L85 PathProgramCache]: Analyzing trace with hash -805509021, now seen corresponding path program 1 times [2023-11-29 07:03:08,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:08,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417713581] [2023-11-29 07:03:08,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:08,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:08,821 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 07:03:08,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:08,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417713581] [2023-11-29 07:03:08,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417713581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:08,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:08,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:03:08,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486396615] [2023-11-29 07:03:08,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:08,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:03:08,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:08,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:03:08,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:03:08,869 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1789 [2023-11-29 07:03:08,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1627 places, 1694 transitions, 3398 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:08,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:03:08,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1789 [2023-11-29 07:03:08,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:03:10,852 INFO L124 PetriNetUnfolderBase]: 229/3829 cut-off events. [2023-11-29 07:03:10,852 INFO L125 PetriNetUnfolderBase]: For 31/33 co-relation queries the response was YES. [2023-11-29 07:03:10,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3972 conditions, 3829 events. 229/3829 cut-off events. For 31/33 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 27485 event pairs, 64 based on Foata normal form. 0/3070 useless extension candidates. Maximal degree in co-relation 3710. Up to 130 conditions per place. [2023-11-29 07:03:11,031 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 17 selfloop transitions, 2 changer transitions 0/1693 dead transitions. [2023-11-29 07:03:11,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1628 places, 1693 transitions, 3434 flow [2023-11-29 07:03:11,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:03:11,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:03:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5210 transitions. [2023-11-29 07:03:11,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.97074715856158 [2023-11-29 07:03:11,038 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5210 transitions. [2023-11-29 07:03:11,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5210 transitions. [2023-11-29 07:03:11,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:03:11,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5210 transitions. [2023-11-29 07:03:11,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1736.6666666666667) internal successors, (5210), 3 states have internal predecessors, (5210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:11,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:11,049 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:11,049 INFO L175 Difference]: Start difference. First operand has 1627 places, 1694 transitions, 3398 flow. Second operand 3 states and 5210 transitions. [2023-11-29 07:03:11,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1628 places, 1693 transitions, 3434 flow [2023-11-29 07:03:11,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1626 places, 1693 transitions, 3430 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:03:11,075 INFO L231 Difference]: Finished difference. Result has 1626 places, 1693 transitions, 3396 flow [2023-11-29 07:03:11,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3392, PETRI_DIFFERENCE_MINUEND_PLACES=1624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3396, PETRI_PLACES=1626, PETRI_TRANSITIONS=1693} [2023-11-29 07:03:11,077 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -34 predicate places. [2023-11-29 07:03:11,077 INFO L495 AbstractCegarLoop]: Abstraction has has 1626 places, 1693 transitions, 3396 flow [2023-11-29 07:03:11,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:11,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:03:11,078 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, 1, 1, 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 07:03:11,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 07:03:11,078 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err57ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:03:11,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:11,079 INFO L85 PathProgramCache]: Analyzing trace with hash -874196234, now seen corresponding path program 1 times [2023-11-29 07:03:11,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:11,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456069618] [2023-11-29 07:03:11,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:11,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:11,152 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 07:03:11,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:11,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456069618] [2023-11-29 07:03:11,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456069618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:11,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:11,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:03:11,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977962446] [2023-11-29 07:03:11,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:11,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:03:11,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:11,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:03:11,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:03:11,185 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1720 out of 1789 [2023-11-29 07:03:11,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1626 places, 1693 transitions, 3396 flow. Second operand has 3 states, 3 states have (on average 1721.3333333333333) internal successors, (5164), 3 states have internal predecessors, (5164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:11,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:03:11,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1720 of 1789 [2023-11-29 07:03:11,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:03:15,183 INFO L124 PetriNetUnfolderBase]: 484/7696 cut-off events. [2023-11-29 07:03:15,183 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2023-11-29 07:03:15,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7941 conditions, 7696 events. 484/7696 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 70829 event pairs, 64 based on Foata normal form. 0/6153 useless extension candidates. Maximal degree in co-relation 7636. Up to 217 conditions per place. [2023-11-29 07:03:15,523 INFO L140 encePairwiseOnDemand]: 1777/1789 looper letters, 25 selfloop transitions, 4 changer transitions 0/1691 dead transitions. [2023-11-29 07:03:15,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1620 places, 1691 transitions, 3452 flow [2023-11-29 07:03:15,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:03:15,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:03:15,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5197 transitions. [2023-11-29 07:03:15,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9683249487609465 [2023-11-29 07:03:15,528 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5197 transitions. [2023-11-29 07:03:15,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5197 transitions. [2023-11-29 07:03:15,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:03:15,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5197 transitions. [2023-11-29 07:03:15,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1732.3333333333333) internal successors, (5197), 3 states have internal predecessors, (5197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:15,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:15,536 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:15,536 INFO L175 Difference]: Start difference. First operand has 1626 places, 1693 transitions, 3396 flow. Second operand 3 states and 5197 transitions. [2023-11-29 07:03:15,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1620 places, 1691 transitions, 3452 flow [2023-11-29 07:03:15,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1618 places, 1691 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:03:15,571 INFO L231 Difference]: Finished difference. Result has 1619 places, 1689 transitions, 3404 flow [2023-11-29 07:03:15,573 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3376, PETRI_DIFFERENCE_MINUEND_PLACES=1616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1681, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3404, PETRI_PLACES=1619, PETRI_TRANSITIONS=1689} [2023-11-29 07:03:15,573 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -41 predicate places. [2023-11-29 07:03:15,573 INFO L495 AbstractCegarLoop]: Abstraction has has 1619 places, 1689 transitions, 3404 flow [2023-11-29 07:03:15,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1721.3333333333333) internal successors, (5164), 3 states have internal predecessors, (5164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:15,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:03:15,575 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, 1, 1, 1, 1, 1, 1, 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 07:03:15,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 07:03:15,575 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err58ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:03:15,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:15,575 INFO L85 PathProgramCache]: Analyzing trace with hash -567179425, now seen corresponding path program 1 times [2023-11-29 07:03:15,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:15,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234398939] [2023-11-29 07:03:15,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:15,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:15,665 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 07:03:15,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:15,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234398939] [2023-11-29 07:03:15,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234398939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:15,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:15,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:03:15,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634560884] [2023-11-29 07:03:15,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:15,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:03:15,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:15,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:03:15,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:03:15,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1720 out of 1789 [2023-11-29 07:03:15,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1619 places, 1689 transitions, 3404 flow. Second operand has 3 states, 3 states have (on average 1721.3333333333333) internal successors, (5164), 3 states have internal predecessors, (5164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:15,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:03:15,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1720 of 1789 [2023-11-29 07:03:15,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:03:17,335 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5402] thread1EXIT-->L159-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem184#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][612], [260#L96-2true, 1111#L159-7true, Black: 1779#true, 1781#(= |#race~is_null_1~0| 0), 761#$Ultimate##0true, 1786#(= |#race~is_null_5~0| 0)]) [2023-11-29 07:03:17,335 INFO L294 olderBase$Statistics]: this new event has 350 ancestors and is cut-off event [2023-11-29 07:03:17,335 INFO L297 olderBase$Statistics]: existing Event has 344 ancestors and is cut-off event [2023-11-29 07:03:17,335 INFO L297 olderBase$Statistics]: existing Event has 344 ancestors and is cut-off event [2023-11-29 07:03:17,335 INFO L297 olderBase$Statistics]: existing Event has 341 ancestors and is cut-off event [2023-11-29 07:03:17,507 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5402] thread1EXIT-->L159-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem184#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][612], [570#L96-12true, 1111#L159-7true, Black: 1779#true, 1781#(= |#race~is_null_1~0| 0), 761#$Ultimate##0true, 1786#(= |#race~is_null_5~0| 0)]) [2023-11-29 07:03:17,507 INFO L294 olderBase$Statistics]: this new event has 354 ancestors and is cut-off event [2023-11-29 07:03:17,508 INFO L297 olderBase$Statistics]: existing Event has 348 ancestors and is cut-off event [2023-11-29 07:03:17,508 INFO L297 olderBase$Statistics]: existing Event has 348 ancestors and is cut-off event [2023-11-29 07:03:17,508 INFO L297 olderBase$Statistics]: existing Event has 345 ancestors and is cut-off event [2023-11-29 07:03:17,508 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5402] thread1EXIT-->L159-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem184#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_6|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][612], [1111#L159-7true, 776#L96-13true, Black: 1779#true, 1781#(= |#race~is_null_1~0| 0), 761#$Ultimate##0true, 1786#(= |#race~is_null_5~0| 0)]) [2023-11-29 07:03:17,508 INFO L294 olderBase$Statistics]: this new event has 355 ancestors and is cut-off event [2023-11-29 07:03:17,508 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2023-11-29 07:03:17,508 INFO L297 olderBase$Statistics]: existing Event has 346 ancestors and is cut-off event [2023-11-29 07:03:17,508 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2023-11-29 07:03:21,167 INFO L124 PetriNetUnfolderBase]: 883/11956 cut-off events. [2023-11-29 07:03:21,167 INFO L125 PetriNetUnfolderBase]: For 31/41 co-relation queries the response was YES. [2023-11-29 07:03:21,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12547 conditions, 11956 events. 883/11956 cut-off events. For 31/41 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 129075 event pairs, 80 based on Foata normal form. 0/9573 useless extension candidates. Maximal degree in co-relation 7385. Up to 476 conditions per place. [2023-11-29 07:03:21,611 INFO L140 encePairwiseOnDemand]: 1775/1789 looper letters, 26 selfloop transitions, 6 changer transitions 0/1690 dead transitions. [2023-11-29 07:03:21,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1613 places, 1690 transitions, 3473 flow [2023-11-29 07:03:21,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:03:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:03:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5200 transitions. [2023-11-29 07:03:21,615 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9688839202534004 [2023-11-29 07:03:21,615 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5200 transitions. [2023-11-29 07:03:21,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5200 transitions. [2023-11-29 07:03:21,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:03:21,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5200 transitions. [2023-11-29 07:03:21,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1733.3333333333333) internal successors, (5200), 3 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:21,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:21,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:21,622 INFO L175 Difference]: Start difference. First operand has 1619 places, 1689 transitions, 3404 flow. Second operand 3 states and 5200 transitions. [2023-11-29 07:03:21,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1613 places, 1690 transitions, 3473 flow [2023-11-29 07:03:21,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1613 places, 1690 transitions, 3473 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 07:03:21,642 INFO L231 Difference]: Finished difference. Result has 1614 places, 1687 transitions, 3430 flow [2023-11-29 07:03:21,643 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3388, PETRI_DIFFERENCE_MINUEND_PLACES=1611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1681, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1675, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3430, PETRI_PLACES=1614, PETRI_TRANSITIONS=1687} [2023-11-29 07:03:21,644 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -46 predicate places. [2023-11-29 07:03:21,644 INFO L495 AbstractCegarLoop]: Abstraction has has 1614 places, 1687 transitions, 3430 flow [2023-11-29 07:03:21,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1721.3333333333333) internal successors, (5164), 3 states have internal predecessors, (5164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:21,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:03:21,644 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:03:21,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 07:03:21,645 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:03:21,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:21,645 INFO L85 PathProgramCache]: Analyzing trace with hash 324716458, now seen corresponding path program 1 times [2023-11-29 07:03:21,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:21,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535024582] [2023-11-29 07:03:21,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:21,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:21,706 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 07:03:21,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:21,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535024582] [2023-11-29 07:03:21,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535024582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:21,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:21,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:03:21,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252985368] [2023-11-29 07:03:21,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:21,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:03:21,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:21,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:03:21,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:03:21,737 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1720 out of 1789 [2023-11-29 07:03:21,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1614 places, 1687 transitions, 3430 flow. Second operand has 3 states, 3 states have (on average 1721.6666666666667) internal successors, (5165), 3 states have internal predecessors, (5165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:21,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:03:21,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1720 of 1789 [2023-11-29 07:03:21,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:03:32,703 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5403] thread2EXIT-->L160-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem185#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4)) InVars {thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem185#1=|v_ULTIMATE.start_main_#t~mem185#1_6|, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem185#1=|v_ULTIMATE.start_main_#t~mem185#1_6|, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][1041], [1146#L160-7true, Black: 1779#true, 1781#(= |#race~is_null_1~0| 0), 184#L123-6true, Black: 1784#true, 1791#(= |#race~is_null_9~0| 0), 1786#(= |#race~is_null_5~0| 0)]) [2023-11-29 07:03:32,704 INFO L294 olderBase$Statistics]: this new event has 395 ancestors and is cut-off event [2023-11-29 07:03:32,704 INFO L297 olderBase$Statistics]: existing Event has 389 ancestors and is cut-off event [2023-11-29 07:03:32,704 INFO L297 olderBase$Statistics]: existing Event has 386 ancestors and is cut-off event [2023-11-29 07:03:32,704 INFO L297 olderBase$Statistics]: existing Event has 389 ancestors and is cut-off event [2023-11-29 07:03:32,704 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5403] thread2EXIT-->L160-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem185#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4)) InVars {thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem185#1=|v_ULTIMATE.start_main_#t~mem185#1_6|, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem185#1=|v_ULTIMATE.start_main_#t~mem185#1_6|, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][1041], [1146#L160-7true, 181#L123-5true, Black: 1779#true, 1781#(= |#race~is_null_1~0| 0), Black: 1784#true, 1791#(= |#race~is_null_9~0| 0), 1786#(= |#race~is_null_5~0| 0)]) [2023-11-29 07:03:32,704 INFO L294 olderBase$Statistics]: this new event has 394 ancestors and is cut-off event [2023-11-29 07:03:32,704 INFO L297 olderBase$Statistics]: existing Event has 385 ancestors and is cut-off event [2023-11-29 07:03:32,704 INFO L297 olderBase$Statistics]: existing Event has 388 ancestors and is cut-off event [2023-11-29 07:03:32,704 INFO L297 olderBase$Statistics]: existing Event has 388 ancestors and is cut-off event [2023-11-29 07:03:41,793 INFO L124 PetriNetUnfolderBase]: 3038/40447 cut-off events. [2023-11-29 07:03:41,794 INFO L125 PetriNetUnfolderBase]: For 221/242 co-relation queries the response was YES. [2023-11-29 07:03:43,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42257 conditions, 40447 events. 3038/40447 cut-off events. For 221/242 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 572214 event pairs, 240 based on Foata normal form. 0/32315 useless extension candidates. Maximal degree in co-relation 34658. Up to 1706 conditions per place. [2023-11-29 07:03:43,698 INFO L140 encePairwiseOnDemand]: 1773/1789 looper letters, 27 selfloop transitions, 8 changer transitions 0/1691 dead transitions. [2023-11-29 07:03:43,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1608 places, 1691 transitions, 3512 flow [2023-11-29 07:03:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:03:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:03:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5203 transitions. [2023-11-29 07:03:43,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9694428917458543 [2023-11-29 07:03:43,701 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5203 transitions. [2023-11-29 07:03:43,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5203 transitions. [2023-11-29 07:03:43,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:03:43,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5203 transitions. [2023-11-29 07:03:43,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1734.3333333333333) internal successors, (5203), 3 states have internal predecessors, (5203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:43,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:43,711 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:43,711 INFO L175 Difference]: Start difference. First operand has 1614 places, 1687 transitions, 3430 flow. Second operand 3 states and 5203 transitions. [2023-11-29 07:03:43,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1608 places, 1691 transitions, 3512 flow [2023-11-29 07:03:43,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1608 places, 1691 transitions, 3512 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 07:03:43,737 INFO L231 Difference]: Finished difference. Result has 1609 places, 1687 transitions, 3470 flow [2023-11-29 07:03:43,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1671, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3470, PETRI_PLACES=1609, PETRI_TRANSITIONS=1687} [2023-11-29 07:03:43,739 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -51 predicate places. [2023-11-29 07:03:43,740 INFO L495 AbstractCegarLoop]: Abstraction has has 1609 places, 1687 transitions, 3470 flow [2023-11-29 07:03:43,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1721.6666666666667) internal successors, (5165), 3 states have internal predecessors, (5165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:43,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:03:43,741 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:03:43,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 07:03:43,741 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:03:43,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:43,741 INFO L85 PathProgramCache]: Analyzing trace with hash -585315189, now seen corresponding path program 1 times [2023-11-29 07:03:43,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:43,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791509625] [2023-11-29 07:03:43,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:43,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:43,823 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 07:03:43,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:43,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791509625] [2023-11-29 07:03:43,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791509625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:43,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:43,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:03:43,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737074708] [2023-11-29 07:03:43,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:43,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 07:03:43,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:43,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 07:03:43,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 07:03:43,887 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1725 out of 1789 [2023-11-29 07:03:43,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1609 places, 1687 transitions, 3470 flow. Second operand has 3 states, 3 states have (on average 1726.6666666666667) internal successors, (5180), 3 states have internal predecessors, (5180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:43,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:03:43,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1725 of 1789 [2023-11-29 07:03:43,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:03:56,324 INFO L124 PetriNetUnfolderBase]: 1497/24474 cut-off events. [2023-11-29 07:03:56,324 INFO L125 PetriNetUnfolderBase]: For 17/26 co-relation queries the response was YES. [2023-11-29 07:03:57,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25286 conditions, 24474 events. 1497/24474 cut-off events. For 17/26 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 312526 event pairs, 64 based on Foata normal form. 0/19517 useless extension candidates. Maximal degree in co-relation 18031. Up to 428 conditions per place. [2023-11-29 07:03:57,620 INFO L140 encePairwiseOnDemand]: 1786/1789 looper letters, 25 selfloop transitions, 2 changer transitions 0/1688 dead transitions. [2023-11-29 07:03:57,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1610 places, 1688 transitions, 3528 flow [2023-11-29 07:03:57,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 07:03:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 07:03:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5203 transitions. [2023-11-29 07:03:57,624 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9694428917458543 [2023-11-29 07:03:57,624 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5203 transitions. [2023-11-29 07:03:57,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5203 transitions. [2023-11-29 07:03:57,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:03:57,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5203 transitions. [2023-11-29 07:03:57,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1734.3333333333333) internal successors, (5203), 3 states have internal predecessors, (5203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:57,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:57,630 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1789.0) internal successors, (7156), 4 states have internal predecessors, (7156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:57,630 INFO L175 Difference]: Start difference. First operand has 1609 places, 1687 transitions, 3470 flow. Second operand 3 states and 5203 transitions. [2023-11-29 07:03:57,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1610 places, 1688 transitions, 3528 flow [2023-11-29 07:03:57,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1610 places, 1688 transitions, 3528 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 07:03:57,647 INFO L231 Difference]: Finished difference. Result has 1610 places, 1686 transitions, 3472 flow [2023-11-29 07:03:57,649 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3468, PETRI_DIFFERENCE_MINUEND_PLACES=1608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3472, PETRI_PLACES=1610, PETRI_TRANSITIONS=1686} [2023-11-29 07:03:57,649 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -50 predicate places. [2023-11-29 07:03:57,649 INFO L495 AbstractCegarLoop]: Abstraction has has 1610 places, 1686 transitions, 3472 flow [2023-11-29 07:03:57,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1726.6666666666667) internal successors, (5180), 3 states have internal predecessors, (5180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:57,650 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:03:57,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:03:57,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 07:03:57,650 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:03:57,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:57,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1099815467, now seen corresponding path program 1 times [2023-11-29 07:03:57,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:57,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811984479] [2023-11-29 07:03:57,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:57,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:57,823 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 07:03:57,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:57,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811984479] [2023-11-29 07:03:57,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811984479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:57,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:57,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 07:03:57,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076033994] [2023-11-29 07:03:57,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:57,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 07:03:57,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:57,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 07:03:57,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 07:03:57,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1789 [2023-11-29 07:03:57,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1610 places, 1686 transitions, 3472 flow. Second operand has 5 states, 5 states have (on average 1723.4) internal successors, (8617), 5 states have internal predecessors, (8617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:03:57,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:03:57,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1789 [2023-11-29 07:03:57,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:04:09,334 INFO L124 PetriNetUnfolderBase]: 1113/18694 cut-off events. [2023-11-29 07:04:09,334 INFO L125 PetriNetUnfolderBase]: For 15/24 co-relation queries the response was YES. [2023-11-29 07:04:09,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19198 conditions, 18694 events. 1113/18694 cut-off events. For 15/24 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 224664 event pairs, 0 based on Foata normal form. 3/14944 useless extension candidates. Maximal degree in co-relation 18695. Up to 362 conditions per place. [2023-11-29 07:04:10,271 INFO L140 encePairwiseOnDemand]: 1768/1789 looper letters, 18 selfloop transitions, 18 changer transitions 0/1689 dead transitions. [2023-11-29 07:04:10,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1614 places, 1689 transitions, 3550 flow [2023-11-29 07:04:10,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 07:04:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 07:04:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8629 transitions. [2023-11-29 07:04:10,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9646730016769145 [2023-11-29 07:04:10,276 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 8629 transitions. [2023-11-29 07:04:10,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 8629 transitions. [2023-11-29 07:04:10,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:04:10,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 8629 transitions. [2023-11-29 07:04:10,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1725.8) internal successors, (8629), 5 states have internal predecessors, (8629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:04:10,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1789.0) internal successors, (10734), 6 states have internal predecessors, (10734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:04:10,286 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1789.0) internal successors, (10734), 6 states have internal predecessors, (10734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:04:10,286 INFO L175 Difference]: Start difference. First operand has 1610 places, 1686 transitions, 3472 flow. Second operand 5 states and 8629 transitions. [2023-11-29 07:04:10,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1614 places, 1689 transitions, 3550 flow [2023-11-29 07:04:10,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1612 places, 1689 transitions, 3546 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 07:04:10,305 INFO L231 Difference]: Finished difference. Result has 1613 places, 1689 transitions, 3528 flow [2023-11-29 07:04:10,307 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3468, PETRI_DIFFERENCE_MINUEND_PLACES=1608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1668, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3528, PETRI_PLACES=1613, PETRI_TRANSITIONS=1689} [2023-11-29 07:04:10,307 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -47 predicate places. [2023-11-29 07:04:10,307 INFO L495 AbstractCegarLoop]: Abstraction has has 1613 places, 1689 transitions, 3528 flow [2023-11-29 07:04:10,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1723.4) internal successors, (8617), 5 states have internal predecessors, (8617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:04:10,308 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:04:10,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:04:10,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 07:04:10,308 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:04:10,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:04:10,309 INFO L85 PathProgramCache]: Analyzing trace with hash 777299652, now seen corresponding path program 1 times [2023-11-29 07:04:10,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:04:10,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211837383] [2023-11-29 07:04:10,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:04:10,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:04:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 07:04:10,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:04:10,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211837383] [2023-11-29 07:04:10,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211837383] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:04:10,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368989787] [2023-11-29 07:04:10,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:04:10,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:04:10,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:04:10,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:04:10,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 07:04:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:10,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 07:04:10,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:04:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 07:04:10,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:04:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 07:04:11,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368989787] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 07:04:11,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 07:04:11,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-29 07:04:11,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462294286] [2023-11-29 07:04:11,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 07:04:11,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 07:04:11,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:04:11,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 07:04:11,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-29 07:04:11,407 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1709 out of 1789 [2023-11-29 07:04:11,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1613 places, 1689 transitions, 3528 flow. Second operand has 15 states, 15 states have (on average 1712.6) internal successors, (25689), 15 states have internal predecessors, (25689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:04:11,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:04:11,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1709 of 1789 [2023-11-29 07:04:11,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 07:04:23,272 INFO L124 PetriNetUnfolderBase]: 1113/18733 cut-off events. [2023-11-29 07:04:23,272 INFO L125 PetriNetUnfolderBase]: For 30/39 co-relation queries the response was YES. [2023-11-29 07:04:23,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19297 conditions, 18733 events. 1113/18733 cut-off events. For 30/39 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 224317 event pairs, 0 based on Foata normal form. 6/14986 useless extension candidates. Maximal degree in co-relation 18845. Up to 362 conditions per place. [2023-11-29 07:04:24,239 INFO L140 encePairwiseOnDemand]: 1759/1789 looper letters, 30 selfloop transitions, 39 changer transitions 0/1713 dead transitions. [2023-11-29 07:04:24,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1623 places, 1713 transitions, 3720 flow [2023-11-29 07:04:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 07:04:24,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 07:04:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 18874 transitions. [2023-11-29 07:04:24,249 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9590934498704202 [2023-11-29 07:04:24,249 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 18874 transitions. [2023-11-29 07:04:24,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 18874 transitions. [2023-11-29 07:04:24,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 07:04:24,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 18874 transitions. [2023-11-29 07:04:24,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 1715.8181818181818) internal successors, (18874), 11 states have internal predecessors, (18874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:04:24,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 1789.0) internal successors, (21468), 12 states have internal predecessors, (21468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:04:24,272 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 1789.0) internal successors, (21468), 12 states have internal predecessors, (21468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:04:24,272 INFO L175 Difference]: Start difference. First operand has 1613 places, 1689 transitions, 3528 flow. Second operand 11 states and 18874 transitions. [2023-11-29 07:04:24,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1623 places, 1713 transitions, 3720 flow [2023-11-29 07:04:24,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1620 places, 1713 transitions, 3690 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 07:04:24,290 INFO L231 Difference]: Finished difference. Result has 1623 places, 1707 transitions, 3678 flow [2023-11-29 07:04:24,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1789, PETRI_DIFFERENCE_MINUEND_FLOW=3498, PETRI_DIFFERENCE_MINUEND_PLACES=1610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3678, PETRI_PLACES=1623, PETRI_TRANSITIONS=1707} [2023-11-29 07:04:24,292 INFO L281 CegarLoopForPetriNet]: 1660 programPoint places, -37 predicate places. [2023-11-29 07:04:24,292 INFO L495 AbstractCegarLoop]: Abstraction has has 1623 places, 1707 transitions, 3678 flow [2023-11-29 07:04:24,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1712.6) internal successors, (25689), 15 states have internal predecessors, (25689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:04:24,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 07:04:24,294 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:04:24,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 07:04:24,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-29 07:04:24,495 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2023-11-29 07:04:24,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:04:24,496 INFO L85 PathProgramCache]: Analyzing trace with hash 827067684, now seen corresponding path program 2 times [2023-11-29 07:04:24,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:04:24,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336348085] [2023-11-29 07:04:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:04:24,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:04:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:04:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-29 07:04:24,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:04:24,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336348085] [2023-11-29 07:04:24,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336348085] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:04:24,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184211045] [2023-11-29 07:04:24,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 07:04:24,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:04:24,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:04:24,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:04:24,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ca231-224c-4b4f-b0a8-c2e5a9e6b311/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 07:04:25,184 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 07:04:25,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 07:04:25,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 07:04:25,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:04:25,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 07:04:25,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 07:04:25,648 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:04:25,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-29 07:04:25,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 07:04:25,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-29 07:04:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-29 07:04:25,710 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:04:25,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184211045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:04:25,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 07:04:25,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2023-11-29 07:04:25,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761960028] [2023-11-29 07:04:25,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:04:25,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 07:04:25,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:04:25,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 07:04:25,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-11-29 07:04:26,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1732 out of 1789 [2023-11-29 07:04:26,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1623 places, 1707 transitions, 3678 flow. Second operand has 7 states, 7 states have (on average 1733.857142857143) internal successors, (12137), 7 states have internal predecessors, (12137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 07:04:26,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 07:04:26,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1732 of 1789 [2023-11-29 07:04:26,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand