./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/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_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/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_7bc3822a-34dc-485d-bdc2-534d5c1153c0/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 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:13:53,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:13:53,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:13:53,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:13:53,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:13:53,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:13:53,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:13:53,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:13:53,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:13:53,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:13:53,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:13:53,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:13:53,438 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:13:53,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:13:53,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:13:53,440 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:13:53,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:13:53,441 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:13:53,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:13:53,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:13:53,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:13:53,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:13:53,443 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:13:53,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:13:53,444 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:13:53,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:13:53,445 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:13:53,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:13:53,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:13:53,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:13:53,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:13:53,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:13:53,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:13:53,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:13:53,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:13:53,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:13:53,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:13:53,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:13:53,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:13:53,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:13:53,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:13:53,449 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_7bc3822a-34dc-485d-bdc2-534d5c1153c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c [2023-11-29 02:13:53,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:13:53,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:13:53,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:13:53,723 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:13:53,723 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:13:53,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-29 02:13:56,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:13:56,739 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:13:56,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-29 02:13:56,747 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/data/9e2e1762e/adcf00a502be4e62bfb953b3651417d9/FLAG967c5bdbc [2023-11-29 02:13:56,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/data/9e2e1762e/adcf00a502be4e62bfb953b3651417d9 [2023-11-29 02:13:56,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:13:56,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:13:56,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:13:56,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:13:56,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:13:56,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:13:56" (1/1) ... [2023-11-29 02:13:56,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a75576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:56, skipping insertion in model container [2023-11-29 02:13:56,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:13:56" (1/1) ... [2023-11-29 02:13:56,796 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:13:57,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:13:57,031 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:13:57,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:13:57,095 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:13:57,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57 WrapperNode [2023-11-29 02:13:57,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:13:57,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:13:57,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:13:57,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:13:57,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,161 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 476 [2023-11-29 02:13:57,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:13:57,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:13:57,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:13:57,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:13:57,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:13:57,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:13:57,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:13:57,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:13:57,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (1/1) ... [2023-11-29 02:13:57,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:13:57,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:57,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:13:57,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:13:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:13:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:13:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:13:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:13:57,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 02:13:57,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 02:13:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 02:13:57,287 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 02:13:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 02:13:57,287 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 02:13:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:13:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:13:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:13:57,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:13:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:13:57,289 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 02:13:57,402 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:13:57,404 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:13:58,156 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:13:58,179 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:13:58,180 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 02:13:58,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:13:58 BoogieIcfgContainer [2023-11-29 02:13:58,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:13:58,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:13:58,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:13:58,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:13:58,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:13:56" (1/3) ... [2023-11-29 02:13:58,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bac229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:13:58, skipping insertion in model container [2023-11-29 02:13:58,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:57" (2/3) ... [2023-11-29 02:13:58,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bac229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:13:58, skipping insertion in model container [2023-11-29 02:13:58,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:13:58" (3/3) ... [2023-11-29 02:13:58,192 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2023-11-29 02:13:58,200 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:13:58,212 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:13:58,212 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-11-29 02:13:58,212 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:13:58,386 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 02:13:58,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 593 places, 616 transitions, 1253 flow [2023-11-29 02:13:58,700 INFO L124 PetriNetUnfolderBase]: 33/613 cut-off events. [2023-11-29 02:13:58,700 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 02:13:58,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 613 events. 33/613 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1332 event pairs, 0 based on Foata normal form. 0/530 useless extension candidates. Maximal degree in co-relation 433. Up to 2 conditions per place. [2023-11-29 02:13:58,717 INFO L82 GeneralOperation]: Start removeDead. Operand has 593 places, 616 transitions, 1253 flow [2023-11-29 02:13:58,732 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 566 places, 587 transitions, 1192 flow [2023-11-29 02:13:58,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:13:58,749 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;@6cc4ae1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:13:58,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2023-11-29 02:13:58,761 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:13:58,761 INFO L124 PetriNetUnfolderBase]: 3/63 cut-off events. [2023-11-29 02:13:58,761 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:13:58,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:13:58,762 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] [2023-11-29 02:13:58,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:13:58,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:58,768 INFO L85 PathProgramCache]: Analyzing trace with hash -490842501, now seen corresponding path program 1 times [2023-11-29 02:13:58,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:58,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466825180] [2023-11-29 02:13:58,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:58,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:59,631 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 02:13:59,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:59,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466825180] [2023-11-29 02:13:59,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466825180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:59,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:59,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:13:59,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291804188] [2023-11-29 02:13:59,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:59,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:13:59,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:59,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:13:59,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:14:00,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 616 [2023-11-29 02:14:00,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 587 transitions, 1192 flow. Second operand has 6 states, 6 states have (on average 509.5) internal successors, (3057), 6 states have internal predecessors, (3057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:00,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:00,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 616 [2023-11-29 02:14:00,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:14,220 INFO L124 PetriNetUnfolderBase]: 12108/68361 cut-off events. [2023-11-29 02:14:14,220 INFO L125 PetriNetUnfolderBase]: For 679/769 co-relation queries the response was YES. [2023-11-29 02:14:14,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84272 conditions, 68361 events. 12108/68361 cut-off events. For 679/769 co-relation queries the response was YES. Maximal size of possible extension queue 1208. Compared 1048670 event pairs, 9904 based on Foata normal form. 4714/62916 useless extension candidates. Maximal degree in co-relation 78805. Up to 15528 conditions per place. [2023-11-29 02:14:15,038 INFO L140 encePairwiseOnDemand]: 576/616 looper letters, 66 selfloop transitions, 15 changer transitions 7/562 dead transitions. [2023-11-29 02:14:15,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 562 transitions, 1304 flow [2023-11-29 02:14:15,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:14:15,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:14:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3154 transitions. [2023-11-29 02:14:15,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8533549783549783 [2023-11-29 02:14:15,066 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3154 transitions. [2023-11-29 02:14:15,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3154 transitions. [2023-11-29 02:14:15,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:15,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3154 transitions. [2023-11-29 02:14:15,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 525.6666666666666) internal successors, (3154), 6 states have internal predecessors, (3154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,106 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,107 INFO L175 Difference]: Start difference. First operand has 566 places, 587 transitions, 1192 flow. Second operand 6 states and 3154 transitions. [2023-11-29 02:14:15,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 562 transitions, 1304 flow [2023-11-29 02:14:15,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 562 transitions, 1292 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 02:14:15,128 INFO L231 Difference]: Finished difference. Result has 562 places, 555 transitions, 1146 flow [2023-11-29 02:14:15,131 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1130, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1146, PETRI_PLACES=562, PETRI_TRANSITIONS=555} [2023-11-29 02:14:15,134 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -4 predicate places. [2023-11-29 02:14:15,134 INFO L495 AbstractCegarLoop]: Abstraction has has 562 places, 555 transitions, 1146 flow [2023-11-29 02:14:15,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 509.5) internal successors, (3057), 6 states have internal predecessors, (3057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:15,138 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] [2023-11-29 02:14:15,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:14:15,138 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:15,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:15,139 INFO L85 PathProgramCache]: Analyzing trace with hash -304004239, now seen corresponding path program 1 times [2023-11-29 02:14:15,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:15,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435313908] [2023-11-29 02:14:15,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:15,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:15,178 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 02:14:15,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:15,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435313908] [2023-11-29 02:14:15,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435313908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:15,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:15,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:15,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261054119] [2023-11-29 02:14:15,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:15,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:15,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:15,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:15,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:15,202 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 616 [2023-11-29 02:14:15,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 562 places, 555 transitions, 1146 flow. Second operand has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:15,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 616 [2023-11-29 02:14:15,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:15,428 INFO L124 PetriNetUnfolderBase]: 24/1006 cut-off events. [2023-11-29 02:14:15,428 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-29 02:14:15,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 1006 events. 24/1006 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4316 event pairs, 7 based on Foata normal form. 0/871 useless extension candidates. Maximal degree in co-relation 1009. Up to 25 conditions per place. [2023-11-29 02:14:15,443 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 11 selfloop transitions, 2 changer transitions 0/554 dead transitions. [2023-11-29 02:14:15,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 554 transitions, 1170 flow [2023-11-29 02:14:15,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:15,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1745 transitions. [2023-11-29 02:14:15,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9442640692640693 [2023-11-29 02:14:15,449 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1745 transitions. [2023-11-29 02:14:15,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1745 transitions. [2023-11-29 02:14:15,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:15,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1745 transitions. [2023-11-29 02:14:15,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.6666666666666) internal successors, (1745), 3 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,462 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,462 INFO L175 Difference]: Start difference. First operand has 562 places, 555 transitions, 1146 flow. Second operand 3 states and 1745 transitions. [2023-11-29 02:14:15,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 554 transitions, 1170 flow [2023-11-29 02:14:15,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 554 transitions, 1140 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:14:15,474 INFO L231 Difference]: Finished difference. Result has 551 places, 554 transitions, 1118 flow [2023-11-29 02:14:15,475 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1114, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=552, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=551, PETRI_TRANSITIONS=554} [2023-11-29 02:14:15,476 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -15 predicate places. [2023-11-29 02:14:15,476 INFO L495 AbstractCegarLoop]: Abstraction has has 551 places, 554 transitions, 1118 flow [2023-11-29 02:14:15,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:15,478 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:14:15,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:14:15,479 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:15,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:15,480 INFO L85 PathProgramCache]: Analyzing trace with hash 273568012, now seen corresponding path program 1 times [2023-11-29 02:14:15,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:15,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985420979] [2023-11-29 02:14:15,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:15,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:15,538 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 02:14:15,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:15,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985420979] [2023-11-29 02:14:15,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985420979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:15,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:15,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:15,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499763691] [2023-11-29 02:14:15,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:15,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:15,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:15,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:15,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:15,563 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 616 [2023-11-29 02:14:15,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 554 transitions, 1118 flow. Second operand has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:15,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 616 [2023-11-29 02:14:15,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:15,787 INFO L124 PetriNetUnfolderBase]: 18/792 cut-off events. [2023-11-29 02:14:15,787 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-29 02:14:15,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 792 events. 18/792 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2840 event pairs, 5 based on Foata normal form. 0/693 useless extension candidates. Maximal degree in co-relation 752. Up to 22 conditions per place. [2023-11-29 02:14:15,796 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 11 selfloop transitions, 2 changer transitions 0/553 dead transitions. [2023-11-29 02:14:15,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 553 transitions, 1142 flow [2023-11-29 02:14:15,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:15,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1745 transitions. [2023-11-29 02:14:15,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9442640692640693 [2023-11-29 02:14:15,802 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1745 transitions. [2023-11-29 02:14:15,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1745 transitions. [2023-11-29 02:14:15,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:15,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1745 transitions. [2023-11-29 02:14:15,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.6666666666666) internal successors, (1745), 3 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,814 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,814 INFO L175 Difference]: Start difference. First operand has 551 places, 554 transitions, 1118 flow. Second operand 3 states and 1745 transitions. [2023-11-29 02:14:15,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 553 transitions, 1142 flow [2023-11-29 02:14:15,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 553 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:15,823 INFO L231 Difference]: Finished difference. Result has 550 places, 553 transitions, 1116 flow [2023-11-29 02:14:15,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1112, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1116, PETRI_PLACES=550, PETRI_TRANSITIONS=553} [2023-11-29 02:14:15,825 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -16 predicate places. [2023-11-29 02:14:15,825 INFO L495 AbstractCegarLoop]: Abstraction has has 550 places, 553 transitions, 1116 flow [2023-11-29 02:14:15,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,827 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:15,827 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] [2023-11-29 02:14:15,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:14:15,827 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:15,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:15,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1276167066, now seen corresponding path program 1 times [2023-11-29 02:14:15,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:15,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137573262] [2023-11-29 02:14:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:15,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:15,898 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 02:14:15,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:15,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137573262] [2023-11-29 02:14:15,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137573262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:15,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:15,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:15,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888235562] [2023-11-29 02:14:15,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:15,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:15,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:15,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:15,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:15,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 616 [2023-11-29 02:14:15,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 553 transitions, 1116 flow. Second operand has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:15,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:15,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 616 [2023-11-29 02:14:15,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:16,096 INFO L124 PetriNetUnfolderBase]: 18/705 cut-off events. [2023-11-29 02:14:16,097 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 02:14:16,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 705 events. 18/705 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2321 event pairs, 7 based on Foata normal form. 0/622 useless extension candidates. Maximal degree in co-relation 620. Up to 25 conditions per place. [2023-11-29 02:14:16,106 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 11 selfloop transitions, 2 changer transitions 0/552 dead transitions. [2023-11-29 02:14:16,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 552 transitions, 1140 flow [2023-11-29 02:14:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1745 transitions. [2023-11-29 02:14:16,112 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9442640692640693 [2023-11-29 02:14:16,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1745 transitions. [2023-11-29 02:14:16,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1745 transitions. [2023-11-29 02:14:16,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:16,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1745 transitions. [2023-11-29 02:14:16,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.6666666666666) internal successors, (1745), 3 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,125 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,125 INFO L175 Difference]: Start difference. First operand has 550 places, 553 transitions, 1116 flow. Second operand 3 states and 1745 transitions. [2023-11-29 02:14:16,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 552 transitions, 1140 flow [2023-11-29 02:14:16,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 552 transitions, 1136 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:16,137 INFO L231 Difference]: Finished difference. Result has 549 places, 552 transitions, 1114 flow [2023-11-29 02:14:16,138 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1114, PETRI_PLACES=549, PETRI_TRANSITIONS=552} [2023-11-29 02:14:16,139 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -17 predicate places. [2023-11-29 02:14:16,139 INFO L495 AbstractCegarLoop]: Abstraction has has 549 places, 552 transitions, 1114 flow [2023-11-29 02:14:16,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,141 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:16,141 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] [2023-11-29 02:14:16,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:14:16,142 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:16,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:16,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2087904525, now seen corresponding path program 1 times [2023-11-29 02:14:16,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:16,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232815496] [2023-11-29 02:14:16,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:16,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:16,215 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 02:14:16,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:16,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232815496] [2023-11-29 02:14:16,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232815496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:16,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:16,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:16,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187290157] [2023-11-29 02:14:16,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:16,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:16,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:16,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:16,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:16,236 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 616 [2023-11-29 02:14:16,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 552 transitions, 1114 flow. Second operand has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:16,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 616 [2023-11-29 02:14:16,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:16,491 INFO L124 PetriNetUnfolderBase]: 28/1152 cut-off events. [2023-11-29 02:14:16,491 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 02:14:16,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1190 conditions, 1152 events. 28/1152 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5569 event pairs, 7 based on Foata normal form. 0/991 useless extension candidates. Maximal degree in co-relation 1023. Up to 25 conditions per place. [2023-11-29 02:14:16,507 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 11 selfloop transitions, 2 changer transitions 0/551 dead transitions. [2023-11-29 02:14:16,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 551 transitions, 1138 flow [2023-11-29 02:14:16,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:16,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1745 transitions. [2023-11-29 02:14:16,516 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9442640692640693 [2023-11-29 02:14:16,516 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1745 transitions. [2023-11-29 02:14:16,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1745 transitions. [2023-11-29 02:14:16,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:16,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1745 transitions. [2023-11-29 02:14:16,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.6666666666666) internal successors, (1745), 3 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,533 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,534 INFO L175 Difference]: Start difference. First operand has 549 places, 552 transitions, 1114 flow. Second operand 3 states and 1745 transitions. [2023-11-29 02:14:16,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 551 transitions, 1138 flow [2023-11-29 02:14:16,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 551 transitions, 1134 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:16,548 INFO L231 Difference]: Finished difference. Result has 548 places, 551 transitions, 1112 flow [2023-11-29 02:14:16,550 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=549, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1112, PETRI_PLACES=548, PETRI_TRANSITIONS=551} [2023-11-29 02:14:16,551 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -18 predicate places. [2023-11-29 02:14:16,551 INFO L495 AbstractCegarLoop]: Abstraction has has 548 places, 551 transitions, 1112 flow [2023-11-29 02:14:16,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,553 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:16,553 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] [2023-11-29 02:14:16,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:14:16,554 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:16,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:16,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1838546758, now seen corresponding path program 1 times [2023-11-29 02:14:16,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:16,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274032733] [2023-11-29 02:14:16,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:16,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:16,676 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 02:14:16,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:16,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274032733] [2023-11-29 02:14:16,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274032733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:16,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:16,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:16,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916510084] [2023-11-29 02:14:16,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:16,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:16,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:16,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:16,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:16,695 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 616 [2023-11-29 02:14:16,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 551 transitions, 1112 flow. Second operand has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:16,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 616 [2023-11-29 02:14:16,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:16,897 INFO L124 PetriNetUnfolderBase]: 22/969 cut-off events. [2023-11-29 02:14:16,898 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 02:14:16,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1002 conditions, 969 events. 22/969 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3637 event pairs, 5 based on Foata normal form. 0/842 useless extension candidates. Maximal degree in co-relation 828. Up to 22 conditions per place. [2023-11-29 02:14:16,910 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 11 selfloop transitions, 2 changer transitions 0/550 dead transitions. [2023-11-29 02:14:16,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 550 transitions, 1136 flow [2023-11-29 02:14:16,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1745 transitions. [2023-11-29 02:14:16,916 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9442640692640693 [2023-11-29 02:14:16,916 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1745 transitions. [2023-11-29 02:14:16,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1745 transitions. [2023-11-29 02:14:16,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:16,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1745 transitions. [2023-11-29 02:14:16,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.6666666666666) internal successors, (1745), 3 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,929 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,930 INFO L175 Difference]: Start difference. First operand has 548 places, 551 transitions, 1112 flow. Second operand 3 states and 1745 transitions. [2023-11-29 02:14:16,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 550 transitions, 1136 flow [2023-11-29 02:14:16,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 550 transitions, 1132 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:16,942 INFO L231 Difference]: Finished difference. Result has 547 places, 550 transitions, 1110 flow [2023-11-29 02:14:16,943 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1106, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=548, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1110, PETRI_PLACES=547, PETRI_TRANSITIONS=550} [2023-11-29 02:14:16,944 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -19 predicate places. [2023-11-29 02:14:16,945 INFO L495 AbstractCegarLoop]: Abstraction has has 547 places, 550 transitions, 1110 flow [2023-11-29 02:14:16,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:16,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:16,947 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] [2023-11-29 02:14:16,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:14:16,947 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:16,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:16,948 INFO L85 PathProgramCache]: Analyzing trace with hash 270729134, now seen corresponding path program 1 times [2023-11-29 02:14:16,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:16,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991147544] [2023-11-29 02:14:16,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:16,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:17,011 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 02:14:17,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:17,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991147544] [2023-11-29 02:14:17,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991147544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:17,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:17,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:17,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748147835] [2023-11-29 02:14:17,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:17,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:17,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:17,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:17,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:17,034 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 577 out of 616 [2023-11-29 02:14:17,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 550 transitions, 1110 flow. Second operand has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:17,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 577 of 616 [2023-11-29 02:14:17,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:17,237 INFO L124 PetriNetUnfolderBase]: 24/942 cut-off events. [2023-11-29 02:14:17,237 INFO L125 PetriNetUnfolderBase]: For 7/11 co-relation queries the response was YES. [2023-11-29 02:14:17,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 977 conditions, 942 events. 24/942 cut-off events. For 7/11 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3414 event pairs, 7 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 796. Up to 25 conditions per place. [2023-11-29 02:14:17,248 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 11 selfloop transitions, 2 changer transitions 0/549 dead transitions. [2023-11-29 02:14:17,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 549 transitions, 1134 flow [2023-11-29 02:14:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:17,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1745 transitions. [2023-11-29 02:14:17,254 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9442640692640693 [2023-11-29 02:14:17,254 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1745 transitions. [2023-11-29 02:14:17,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1745 transitions. [2023-11-29 02:14:17,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:17,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1745 transitions. [2023-11-29 02:14:17,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.6666666666666) internal successors, (1745), 3 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,264 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,264 INFO L175 Difference]: Start difference. First operand has 547 places, 550 transitions, 1110 flow. Second operand 3 states and 1745 transitions. [2023-11-29 02:14:17,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 549 transitions, 1134 flow [2023-11-29 02:14:17,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 549 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:17,275 INFO L231 Difference]: Finished difference. Result has 546 places, 549 transitions, 1108 flow [2023-11-29 02:14:17,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1104, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1108, PETRI_PLACES=546, PETRI_TRANSITIONS=549} [2023-11-29 02:14:17,277 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -20 predicate places. [2023-11-29 02:14:17,278 INFO L495 AbstractCegarLoop]: Abstraction has has 546 places, 549 transitions, 1108 flow [2023-11-29 02:14:17,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.3333333333334) internal successors, (1735), 3 states have internal predecessors, (1735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,279 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:17,279 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] [2023-11-29 02:14:17,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:14:17,279 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:17,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:17,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1465971599, now seen corresponding path program 1 times [2023-11-29 02:14:17,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:17,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230275405] [2023-11-29 02:14:17,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:17,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:17,350 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 02:14:17,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:17,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230275405] [2023-11-29 02:14:17,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230275405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:17,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:17,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:17,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292125159] [2023-11-29 02:14:17,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:17,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:17,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:17,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:17,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:17,367 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 616 [2023-11-29 02:14:17,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 549 transitions, 1108 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:17,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 616 [2023-11-29 02:14:17,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:17,692 INFO L124 PetriNetUnfolderBase]: 45/1351 cut-off events. [2023-11-29 02:14:17,692 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 02:14:17,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1416 conditions, 1351 events. 45/1351 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7437 event pairs, 6 based on Foata normal form. 0/1166 useless extension candidates. Maximal degree in co-relation 1228. Up to 43 conditions per place. [2023-11-29 02:14:17,722 INFO L140 encePairwiseOnDemand]: 612/616 looper letters, 13 selfloop transitions, 2 changer transitions 0/551 dead transitions. [2023-11-29 02:14:17,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 551 transitions, 1144 flow [2023-11-29 02:14:17,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:17,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:17,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1754 transitions. [2023-11-29 02:14:17,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9491341991341992 [2023-11-29 02:14:17,728 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1754 transitions. [2023-11-29 02:14:17,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1754 transitions. [2023-11-29 02:14:17,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:17,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1754 transitions. [2023-11-29 02:14:17,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 584.6666666666666) internal successors, (1754), 3 states have internal predecessors, (1754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,740 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,740 INFO L175 Difference]: Start difference. First operand has 546 places, 549 transitions, 1108 flow. Second operand 3 states and 1754 transitions. [2023-11-29 02:14:17,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 551 transitions, 1144 flow [2023-11-29 02:14:17,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 551 transitions, 1140 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:17,755 INFO L231 Difference]: Finished difference. Result has 545 places, 549 transitions, 1114 flow [2023-11-29 02:14:17,757 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1100, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1114, PETRI_PLACES=545, PETRI_TRANSITIONS=549} [2023-11-29 02:14:17,757 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -21 predicate places. [2023-11-29 02:14:17,758 INFO L495 AbstractCegarLoop]: Abstraction has has 545 places, 549 transitions, 1114 flow [2023-11-29 02:14:17,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,759 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:17,759 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] [2023-11-29 02:14:17,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:14:17,759 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:17,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:17,760 INFO L85 PathProgramCache]: Analyzing trace with hash -696050953, now seen corresponding path program 1 times [2023-11-29 02:14:17,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:17,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162733545] [2023-11-29 02:14:17,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:17,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:17,826 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 02:14:17,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:17,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162733545] [2023-11-29 02:14:17,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162733545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:17,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:17,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:17,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952099674] [2023-11-29 02:14:17,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:17,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:17,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:17,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:17,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:17,840 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 616 [2023-11-29 02:14:17,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 549 transitions, 1114 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:17,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:17,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 616 [2023-11-29 02:14:17,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:18,165 INFO L124 PetriNetUnfolderBase]: 36/1224 cut-off events. [2023-11-29 02:14:18,165 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 02:14:18,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1275 conditions, 1224 events. 36/1224 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5781 event pairs, 6 based on Foata normal form. 0/1064 useless extension candidates. Maximal degree in co-relation 977. Up to 31 conditions per place. [2023-11-29 02:14:18,197 INFO L140 encePairwiseOnDemand]: 612/616 looper letters, 13 selfloop transitions, 2 changer transitions 0/551 dead transitions. [2023-11-29 02:14:18,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 551 transitions, 1150 flow [2023-11-29 02:14:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:18,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1754 transitions. [2023-11-29 02:14:18,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9491341991341992 [2023-11-29 02:14:18,203 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1754 transitions. [2023-11-29 02:14:18,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1754 transitions. [2023-11-29 02:14:18,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:18,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1754 transitions. [2023-11-29 02:14:18,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 584.6666666666666) internal successors, (1754), 3 states have internal predecessors, (1754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:18,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:18,214 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:18,214 INFO L175 Difference]: Start difference. First operand has 545 places, 549 transitions, 1114 flow. Second operand 3 states and 1754 transitions. [2023-11-29 02:14:18,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 551 transitions, 1150 flow [2023-11-29 02:14:18,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 551 transitions, 1150 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:14:18,228 INFO L231 Difference]: Finished difference. Result has 546 places, 549 transitions, 1124 flow [2023-11-29 02:14:18,229 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1124, PETRI_PLACES=546, PETRI_TRANSITIONS=549} [2023-11-29 02:14:18,230 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -20 predicate places. [2023-11-29 02:14:18,230 INFO L495 AbstractCegarLoop]: Abstraction has has 546 places, 549 transitions, 1124 flow [2023-11-29 02:14:18,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:18,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:18,231 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:14:18,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:14:18,232 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:18,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:18,232 INFO L85 PathProgramCache]: Analyzing trace with hash 394454710, now seen corresponding path program 1 times [2023-11-29 02:14:18,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:18,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305261801] [2023-11-29 02:14:18,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:18,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:14:18,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:18,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305261801] [2023-11-29 02:14:18,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305261801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:18,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:18,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:18,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948059191] [2023-11-29 02:14:18,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:18,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:18,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:18,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:18,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:18,340 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 616 [2023-11-29 02:14:18,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 549 transitions, 1124 flow. Second operand has 3 states, 3 states have (on average 577.3333333333334) internal successors, (1732), 3 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:18,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:18,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 616 [2023-11-29 02:14:18,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:18,621 INFO L124 PetriNetUnfolderBase]: 39/1136 cut-off events. [2023-11-29 02:14:18,621 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 02:14:18,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1220 conditions, 1136 events. 39/1136 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5803 event pairs, 12 based on Foata normal form. 0/994 useless extension candidates. Maximal degree in co-relation 922. Up to 38 conditions per place. [2023-11-29 02:14:18,646 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 15 selfloop transitions, 2 changer transitions 0/550 dead transitions. [2023-11-29 02:14:18,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 550 transitions, 1162 flow [2023-11-29 02:14:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1746 transitions. [2023-11-29 02:14:18,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9448051948051948 [2023-11-29 02:14:18,653 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1746 transitions. [2023-11-29 02:14:18,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1746 transitions. [2023-11-29 02:14:18,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:18,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1746 transitions. [2023-11-29 02:14:18,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 582.0) internal successors, (1746), 3 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:18,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:18,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:18,666 INFO L175 Difference]: Start difference. First operand has 546 places, 549 transitions, 1124 flow. Second operand 3 states and 1746 transitions. [2023-11-29 02:14:18,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 550 transitions, 1162 flow [2023-11-29 02:14:18,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 550 transitions, 1162 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:14:18,681 INFO L231 Difference]: Finished difference. Result has 547 places, 548 transitions, 1126 flow [2023-11-29 02:14:18,683 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1122, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1126, PETRI_PLACES=547, PETRI_TRANSITIONS=548} [2023-11-29 02:14:18,683 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -19 predicate places. [2023-11-29 02:14:18,684 INFO L495 AbstractCegarLoop]: Abstraction has has 547 places, 548 transitions, 1126 flow [2023-11-29 02:14:18,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.3333333333334) internal successors, (1732), 3 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:18,685 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:18,685 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] [2023-11-29 02:14:18,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:14:18,686 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:18,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:18,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1501090796, now seen corresponding path program 1 times [2023-11-29 02:14:18,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:18,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901669141] [2023-11-29 02:14:18,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:18,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:18,774 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 02:14:18,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:18,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901669141] [2023-11-29 02:14:18,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901669141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:18,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:18,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:18,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868000735] [2023-11-29 02:14:18,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:18,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:18,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:18,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:18,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:18,792 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 616 [2023-11-29 02:14:18,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 548 transitions, 1126 flow. Second operand has 3 states, 3 states have (on average 580.6666666666666) internal successors, (1742), 3 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:18,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:18,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 616 [2023-11-29 02:14:18,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:19,233 INFO L124 PetriNetUnfolderBase]: 77/2186 cut-off events. [2023-11-29 02:14:19,233 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2023-11-29 02:14:19,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2283 conditions, 2186 events. 77/2186 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 15229 event pairs, 16 based on Foata normal form. 0/1889 useless extension candidates. Maximal degree in co-relation 1655. Up to 66 conditions per place. [2023-11-29 02:14:19,260 INFO L140 encePairwiseOnDemand]: 612/616 looper letters, 13 selfloop transitions, 2 changer transitions 0/550 dead transitions. [2023-11-29 02:14:19,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 550 transitions, 1162 flow [2023-11-29 02:14:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1754 transitions. [2023-11-29 02:14:19,266 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9491341991341992 [2023-11-29 02:14:19,266 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1754 transitions. [2023-11-29 02:14:19,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1754 transitions. [2023-11-29 02:14:19,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:19,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1754 transitions. [2023-11-29 02:14:19,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 584.6666666666666) internal successors, (1754), 3 states have internal predecessors, (1754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:19,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:19,277 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:19,277 INFO L175 Difference]: Start difference. First operand has 547 places, 548 transitions, 1126 flow. Second operand 3 states and 1754 transitions. [2023-11-29 02:14:19,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 550 transitions, 1162 flow [2023-11-29 02:14:19,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 550 transitions, 1158 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:19,289 INFO L231 Difference]: Finished difference. Result has 546 places, 548 transitions, 1132 flow [2023-11-29 02:14:19,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1118, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1132, PETRI_PLACES=546, PETRI_TRANSITIONS=548} [2023-11-29 02:14:19,291 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -20 predicate places. [2023-11-29 02:14:19,291 INFO L495 AbstractCegarLoop]: Abstraction has has 546 places, 548 transitions, 1132 flow [2023-11-29 02:14:19,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.6666666666666) internal successors, (1742), 3 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:19,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:19,292 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:19,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:14:19,293 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:19,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:19,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1114616193, now seen corresponding path program 1 times [2023-11-29 02:14:19,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:19,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706413437] [2023-11-29 02:14:19,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:19,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:19,425 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 02:14:19,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:19,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706413437] [2023-11-29 02:14:19,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706413437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:19,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:19,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:14:19,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343713543] [2023-11-29 02:14:19,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:19,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:14:19,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:19,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:14:19,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:14:19,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 616 [2023-11-29 02:14:19,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 548 transitions, 1132 flow. Second operand has 5 states, 5 states have (on average 564.4) internal successors, (2822), 5 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:19,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:19,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 616 [2023-11-29 02:14:19,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:19,839 INFO L124 PetriNetUnfolderBase]: 24/1047 cut-off events. [2023-11-29 02:14:19,839 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 02:14:19,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 1047 events. 24/1047 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4513 event pairs, 0 based on Foata normal form. 3/933 useless extension candidates. Maximal degree in co-relation 791. Up to 15 conditions per place. [2023-11-29 02:14:19,854 INFO L140 encePairwiseOnDemand]: 595/616 looper letters, 18 selfloop transitions, 18 changer transitions 0/551 dead transitions. [2023-11-29 02:14:19,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 551 transitions, 1210 flow [2023-11-29 02:14:19,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:14:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:14:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2834 transitions. [2023-11-29 02:14:19,862 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9201298701298701 [2023-11-29 02:14:19,862 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2834 transitions. [2023-11-29 02:14:19,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2834 transitions. [2023-11-29 02:14:19,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:19,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2834 transitions. [2023-11-29 02:14:19,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 566.8) internal successors, (2834), 5 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:19,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 616.0) internal successors, (3696), 6 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:19,877 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 616.0) internal successors, (3696), 6 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:19,878 INFO L175 Difference]: Start difference. First operand has 546 places, 548 transitions, 1132 flow. Second operand 5 states and 2834 transitions. [2023-11-29 02:14:19,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 551 transitions, 1210 flow [2023-11-29 02:14:19,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 551 transitions, 1210 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:14:19,890 INFO L231 Difference]: Finished difference. Result has 551 places, 551 transitions, 1192 flow [2023-11-29 02:14:19,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1192, PETRI_PLACES=551, PETRI_TRANSITIONS=551} [2023-11-29 02:14:19,892 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -15 predicate places. [2023-11-29 02:14:19,892 INFO L495 AbstractCegarLoop]: Abstraction has has 551 places, 551 transitions, 1192 flow [2023-11-29 02:14:19,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 564.4) internal successors, (2822), 5 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:19,894 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:19,894 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] [2023-11-29 02:14:19,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:14:19,894 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:19,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:19,895 INFO L85 PathProgramCache]: Analyzing trace with hash -593125141, now seen corresponding path program 1 times [2023-11-29 02:14:19,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:19,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684362880] [2023-11-29 02:14:19,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:19,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:20,136 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 02:14:20,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:20,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684362880] [2023-11-29 02:14:20,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684362880] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:14:20,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334265419] [2023-11-29 02:14:20,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:20,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:20,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:20,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:20,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:14:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:20,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:14:20,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:20,522 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 02:14:20,523 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:20,651 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 02:14:20,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334265419] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:20,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:14:20,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-29 02:14:20,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318731523] [2023-11-29 02:14:20,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:20,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:14:20,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:20,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:14:20,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:14:21,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 616 [2023-11-29 02:14:21,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 551 transitions, 1192 flow. Second operand has 15 states, 15 states have (on average 553.6) internal successors, (8304), 15 states have internal predecessors, (8304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:21,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:21,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 616 [2023-11-29 02:14:21,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:21,907 INFO L124 PetriNetUnfolderBase]: 24/1098 cut-off events. [2023-11-29 02:14:21,907 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2023-11-29 02:14:21,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1233 conditions, 1098 events. 24/1098 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4459 event pairs, 0 based on Foata normal form. 6/987 useless extension candidates. Maximal degree in co-relation 895. Up to 15 conditions per place. [2023-11-29 02:14:21,922 INFO L140 encePairwiseOnDemand]: 586/616 looper letters, 30 selfloop transitions, 39 changer transitions 0/575 dead transitions. [2023-11-29 02:14:21,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 575 transitions, 1384 flow [2023-11-29 02:14:21,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:14:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 02:14:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6125 transitions. [2023-11-29 02:14:21,939 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9039256198347108 [2023-11-29 02:14:21,939 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 6125 transitions. [2023-11-29 02:14:21,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 6125 transitions. [2023-11-29 02:14:21,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:21,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 6125 transitions. [2023-11-29 02:14:21,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 556.8181818181819) internal successors, (6125), 11 states have internal predecessors, (6125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:21,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 616.0) internal successors, (7392), 12 states have internal predecessors, (7392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:21,971 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 616.0) internal successors, (7392), 12 states have internal predecessors, (7392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:21,971 INFO L175 Difference]: Start difference. First operand has 551 places, 551 transitions, 1192 flow. Second operand 11 states and 6125 transitions. [2023-11-29 02:14:21,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 575 transitions, 1384 flow [2023-11-29 02:14:21,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 575 transitions, 1354 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 02:14:21,987 INFO L231 Difference]: Finished difference. Result has 561 places, 569 transitions, 1342 flow [2023-11-29 02:14:21,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1162, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1342, PETRI_PLACES=561, PETRI_TRANSITIONS=569} [2023-11-29 02:14:21,989 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -5 predicate places. [2023-11-29 02:14:21,989 INFO L495 AbstractCegarLoop]: Abstraction has has 561 places, 569 transitions, 1342 flow [2023-11-29 02:14:21,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 553.6) internal successors, (8304), 15 states have internal predecessors, (8304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:21,992 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:21,993 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, 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] [2023-11-29 02:14:22,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:14:22,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 02:14:22,199 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:22,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:22,200 INFO L85 PathProgramCache]: Analyzing trace with hash -16514197, now seen corresponding path program 2 times [2023-11-29 02:14:22,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:22,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513005368] [2023-11-29 02:14:22,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:22,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:14:22,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:22,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513005368] [2023-11-29 02:14:22,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513005368] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:14:22,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505267668] [2023-11-29 02:14:22,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:14:22,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:22,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:22,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:22,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:14:22,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 02:14:22,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:14:22,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 02:14:22,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:23,435 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 02:14:23,463 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 02:14:23,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:23,505 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 02:14:23,545 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:23,546 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 02:14:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:14:23,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:14:23,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505267668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:23,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:14:23,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2023-11-29 02:14:23,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372741365] [2023-11-29 02:14:23,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:23,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:14:23,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:23,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:14:23,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:14:24,125 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 616 [2023-11-29 02:14:24,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 569 transitions, 1342 flow. Second operand has 7 states, 7 states have (on average 567.1428571428571) internal successors, (3970), 7 states have internal predecessors, (3970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:24,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:24,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 616 [2023-11-29 02:14:24,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:24,454 INFO L124 PetriNetUnfolderBase]: 24/1097 cut-off events. [2023-11-29 02:14:24,454 INFO L125 PetriNetUnfolderBase]: For 21/28 co-relation queries the response was YES. [2023-11-29 02:14:24,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1275 conditions, 1097 events. 24/1097 cut-off events. For 21/28 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4421 event pairs, 0 based on Foata normal form. 4/985 useless extension candidates. Maximal degree in co-relation 897. Up to 40 conditions per place. [2023-11-29 02:14:24,468 INFO L140 encePairwiseOnDemand]: 610/616 looper letters, 20 selfloop transitions, 5 changer transitions 0/568 dead transitions. [2023-11-29 02:14:24,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 568 transitions, 1390 flow [2023-11-29 02:14:24,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:14:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-29 02:14:24,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3974 transitions. [2023-11-29 02:14:24,476 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9216141001855288 [2023-11-29 02:14:24,476 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3974 transitions. [2023-11-29 02:14:24,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3974 transitions. [2023-11-29 02:14:24,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:24,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3974 transitions. [2023-11-29 02:14:24,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 567.7142857142857) internal successors, (3974), 7 states have internal predecessors, (3974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:24,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 616.0) internal successors, (4928), 8 states have internal predecessors, (4928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:24,489 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 616.0) internal successors, (4928), 8 states have internal predecessors, (4928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:24,489 INFO L175 Difference]: Start difference. First operand has 561 places, 569 transitions, 1342 flow. Second operand 7 states and 3974 transitions. [2023-11-29 02:14:24,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 568 transitions, 1390 flow [2023-11-29 02:14:24,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 568 transitions, 1354 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-11-29 02:14:24,499 INFO L231 Difference]: Finished difference. Result has 563 places, 568 transitions, 1314 flow [2023-11-29 02:14:24,500 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1314, PETRI_PLACES=563, PETRI_TRANSITIONS=568} [2023-11-29 02:14:24,500 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -3 predicate places. [2023-11-29 02:14:24,500 INFO L495 AbstractCegarLoop]: Abstraction has has 563 places, 568 transitions, 1314 flow [2023-11-29 02:14:24,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 567.1428571428571) internal successors, (3970), 7 states have internal predecessors, (3970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:24,501 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:24,502 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, 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] [2023-11-29 02:14:24,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:14:24,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:24,702 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:24,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:24,703 INFO L85 PathProgramCache]: Analyzing trace with hash 955376051, now seen corresponding path program 1 times [2023-11-29 02:14:24,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:24,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173026742] [2023-11-29 02:14:24,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:24,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:14:24,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:24,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173026742] [2023-11-29 02:14:24,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173026742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:24,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:24,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:24,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006201476] [2023-11-29 02:14:24,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:24,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:24,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:24,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:24,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:24,811 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 616 [2023-11-29 02:14:24,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 568 transitions, 1314 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:24,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:24,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 616 [2023-11-29 02:14:24,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:25,304 INFO L124 PetriNetUnfolderBase]: 77/2075 cut-off events. [2023-11-29 02:14:25,305 INFO L125 PetriNetUnfolderBase]: For 23/27 co-relation queries the response was YES. [2023-11-29 02:14:25,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2279 conditions, 2075 events. 77/2075 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 12913 event pairs, 4 based on Foata normal form. 1/1816 useless extension candidates. Maximal degree in co-relation 2058. Up to 69 conditions per place. [2023-11-29 02:14:25,336 INFO L140 encePairwiseOnDemand]: 612/616 looper letters, 16 selfloop transitions, 2 changer transitions 0/573 dead transitions. [2023-11-29 02:14:25,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 573 transitions, 1365 flow [2023-11-29 02:14:25,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1757 transitions. [2023-11-29 02:14:25,342 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9507575757575758 [2023-11-29 02:14:25,342 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1757 transitions. [2023-11-29 02:14:25,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1757 transitions. [2023-11-29 02:14:25,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:25,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1757 transitions. [2023-11-29 02:14:25,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 585.6666666666666) internal successors, (1757), 3 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:25,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:25,348 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:25,348 INFO L175 Difference]: Start difference. First operand has 563 places, 568 transitions, 1314 flow. Second operand 3 states and 1757 transitions. [2023-11-29 02:14:25,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 573 transitions, 1365 flow [2023-11-29 02:14:25,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 573 transitions, 1356 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:14:25,359 INFO L231 Difference]: Finished difference. Result has 559 places, 568 transitions, 1315 flow [2023-11-29 02:14:25,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1301, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1315, PETRI_PLACES=559, PETRI_TRANSITIONS=568} [2023-11-29 02:14:25,360 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -7 predicate places. [2023-11-29 02:14:25,361 INFO L495 AbstractCegarLoop]: Abstraction has has 559 places, 568 transitions, 1315 flow [2023-11-29 02:14:25,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:25,361 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:25,362 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, 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] [2023-11-29 02:14:25,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:14:25,362 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:25,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:25,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1759342579, now seen corresponding path program 1 times [2023-11-29 02:14:25,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:25,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964095588] [2023-11-29 02:14:25,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:25,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:14:25,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:25,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964095588] [2023-11-29 02:14:25,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964095588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:25,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:25,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:25,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130555311] [2023-11-29 02:14:25,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:25,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:25,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:25,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:25,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:25,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 616 [2023-11-29 02:14:25,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 568 transitions, 1315 flow. Second operand has 3 states, 3 states have (on average 576.6666666666666) internal successors, (1730), 3 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:25,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:25,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 616 [2023-11-29 02:14:25,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:25,987 INFO L124 PetriNetUnfolderBase]: 96/2029 cut-off events. [2023-11-29 02:14:25,987 INFO L125 PetriNetUnfolderBase]: For 38/70 co-relation queries the response was YES. [2023-11-29 02:14:26,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2321 conditions, 2029 events. 96/2029 cut-off events. For 38/70 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 13134 event pairs, 30 based on Foata normal form. 1/1778 useless extension candidates. Maximal degree in co-relation 1997. Up to 100 conditions per place. [2023-11-29 02:14:26,017 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 16 selfloop transitions, 2 changer transitions 0/569 dead transitions. [2023-11-29 02:14:26,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 569 transitions, 1355 flow [2023-11-29 02:14:26,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:26,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1744 transitions. [2023-11-29 02:14:26,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9437229437229437 [2023-11-29 02:14:26,022 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1744 transitions. [2023-11-29 02:14:26,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1744 transitions. [2023-11-29 02:14:26,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:26,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1744 transitions. [2023-11-29 02:14:26,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.3333333333334) internal successors, (1744), 3 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:26,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:26,027 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:26,027 INFO L175 Difference]: Start difference. First operand has 559 places, 568 transitions, 1315 flow. Second operand 3 states and 1744 transitions. [2023-11-29 02:14:26,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 569 transitions, 1355 flow [2023-11-29 02:14:26,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 569 transitions, 1355 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:14:26,066 INFO L231 Difference]: Finished difference. Result has 560 places, 567 transitions, 1317 flow [2023-11-29 02:14:26,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1313, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=567, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1317, PETRI_PLACES=560, PETRI_TRANSITIONS=567} [2023-11-29 02:14:26,067 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -6 predicate places. [2023-11-29 02:14:26,067 INFO L495 AbstractCegarLoop]: Abstraction has has 560 places, 567 transitions, 1317 flow [2023-11-29 02:14:26,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 576.6666666666666) internal successors, (1730), 3 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:26,067 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:26,068 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, 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] [2023-11-29 02:14:26,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:14:26,068 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:26,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:26,068 INFO L85 PathProgramCache]: Analyzing trace with hash -448081270, now seen corresponding path program 1 times [2023-11-29 02:14:26,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:26,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648233279] [2023-11-29 02:14:26,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:26,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:26,186 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:14:26,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:26,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648233279] [2023-11-29 02:14:26,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648233279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:26,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:26,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:26,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694850473] [2023-11-29 02:14:26,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:26,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:26,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:26,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:26,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:26,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 574 out of 616 [2023-11-29 02:14:26,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 567 transitions, 1317 flow. Second operand has 3 states, 3 states have (on average 575.3333333333334) internal successors, (1726), 3 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:26,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:26,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 574 of 616 [2023-11-29 02:14:26,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:26,956 INFO L124 PetriNetUnfolderBase]: 90/2755 cut-off events. [2023-11-29 02:14:26,956 INFO L125 PetriNetUnfolderBase]: For 19/23 co-relation queries the response was YES. [2023-11-29 02:14:26,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3039 conditions, 2755 events. 90/2755 cut-off events. For 19/23 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 18192 event pairs, 10 based on Foata normal form. 0/2425 useless extension candidates. Maximal degree in co-relation 2714. Up to 40 conditions per place. [2023-11-29 02:14:27,001 INFO L140 encePairwiseOnDemand]: 608/616 looper letters, 15 selfloop transitions, 5 changer transitions 0/569 dead transitions. [2023-11-29 02:14:27,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 569 transitions, 1363 flow [2023-11-29 02:14:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1745 transitions. [2023-11-29 02:14:27,006 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9442640692640693 [2023-11-29 02:14:27,006 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1745 transitions. [2023-11-29 02:14:27,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1745 transitions. [2023-11-29 02:14:27,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:27,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1745 transitions. [2023-11-29 02:14:27,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.6666666666666) internal successors, (1745), 3 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:27,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:27,011 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:27,012 INFO L175 Difference]: Start difference. First operand has 560 places, 567 transitions, 1317 flow. Second operand 3 states and 1745 transitions. [2023-11-29 02:14:27,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 569 transitions, 1363 flow [2023-11-29 02:14:27,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 557 places, 569 transitions, 1359 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:27,027 INFO L231 Difference]: Finished difference. Result has 559 places, 567 transitions, 1339 flow [2023-11-29 02:14:27,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1307, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1339, PETRI_PLACES=559, PETRI_TRANSITIONS=567} [2023-11-29 02:14:27,029 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -7 predicate places. [2023-11-29 02:14:27,029 INFO L495 AbstractCegarLoop]: Abstraction has has 559 places, 567 transitions, 1339 flow [2023-11-29 02:14:27,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 575.3333333333334) internal successors, (1726), 3 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:27,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:27,030 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, 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] [2023-11-29 02:14:27,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 02:14:27,030 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:27,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:27,031 INFO L85 PathProgramCache]: Analyzing trace with hash 255834, now seen corresponding path program 1 times [2023-11-29 02:14:27,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:27,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438942705] [2023-11-29 02:14:27,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:27,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:14:27,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:27,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438942705] [2023-11-29 02:14:27,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438942705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:27,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:27,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:14:27,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943900639] [2023-11-29 02:14:27,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:27,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:14:27,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:27,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:14:27,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:14:27,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 578 out of 616 [2023-11-29 02:14:27,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 567 transitions, 1339 flow. Second operand has 4 states, 4 states have (on average 579.25) internal successors, (2317), 4 states have internal predecessors, (2317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:27,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:27,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 578 of 616 [2023-11-29 02:14:27,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:28,324 INFO L124 PetriNetUnfolderBase]: 99/3416 cut-off events. [2023-11-29 02:14:28,325 INFO L125 PetriNetUnfolderBase]: For 52/62 co-relation queries the response was YES. [2023-11-29 02:14:28,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3782 conditions, 3416 events. 99/3416 cut-off events. For 52/62 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 23277 event pairs, 15 based on Foata normal form. 2/3001 useless extension candidates. Maximal degree in co-relation 3456. Up to 50 conditions per place. [2023-11-29 02:14:28,385 INFO L140 encePairwiseOnDemand]: 611/616 looper letters, 27 selfloop transitions, 4 changer transitions 0/583 dead transitions. [2023-11-29 02:14:28,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 583 transitions, 1443 flow [2023-11-29 02:14:28,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:14:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:14:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2922 transitions. [2023-11-29 02:14:28,394 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9487012987012987 [2023-11-29 02:14:28,394 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2922 transitions. [2023-11-29 02:14:28,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2922 transitions. [2023-11-29 02:14:28,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:28,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2922 transitions. [2023-11-29 02:14:28,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 584.4) internal successors, (2922), 5 states have internal predecessors, (2922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:28,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 616.0) internal successors, (3696), 6 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:28,407 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 616.0) internal successors, (3696), 6 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:28,407 INFO L175 Difference]: Start difference. First operand has 559 places, 567 transitions, 1339 flow. Second operand 5 states and 2922 transitions. [2023-11-29 02:14:28,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 583 transitions, 1443 flow [2023-11-29 02:14:28,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 583 transitions, 1433 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:28,426 INFO L231 Difference]: Finished difference. Result has 564 places, 569 transitions, 1354 flow [2023-11-29 02:14:28,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1325, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1354, PETRI_PLACES=564, PETRI_TRANSITIONS=569} [2023-11-29 02:14:28,428 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -2 predicate places. [2023-11-29 02:14:28,428 INFO L495 AbstractCegarLoop]: Abstraction has has 564 places, 569 transitions, 1354 flow [2023-11-29 02:14:28,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 579.25) internal successors, (2317), 4 states have internal predecessors, (2317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:28,429 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:28,429 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, 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] [2023-11-29 02:14:28,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:14:28,429 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:28,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:28,430 INFO L85 PathProgramCache]: Analyzing trace with hash 999930332, now seen corresponding path program 1 times [2023-11-29 02:14:28,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:28,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877610643] [2023-11-29 02:14:28,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:28,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:14:28,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:28,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877610643] [2023-11-29 02:14:28,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877610643] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:14:28,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315524524] [2023-11-29 02:14:28,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:28,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:28,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:28,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:14:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:29,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 02:14:29,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:14:29,340 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:14:29,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315524524] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:29,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:14:29,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-11-29 02:14:29,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228897073] [2023-11-29 02:14:29,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:29,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 02:14:29,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:29,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 02:14:29,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-11-29 02:14:30,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 616 [2023-11-29 02:14:30,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 569 transitions, 1354 flow. Second operand has 22 states, 22 states have (on average 553.0909090909091) internal successors, (12168), 22 states have internal predecessors, (12168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:30,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:30,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 616 [2023-11-29 02:14:30,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:31,053 INFO L124 PetriNetUnfolderBase]: 33/1572 cut-off events. [2023-11-29 02:14:31,053 INFO L125 PetriNetUnfolderBase]: For 69/77 co-relation queries the response was YES. [2023-11-29 02:14:31,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1867 conditions, 1572 events. 33/1572 cut-off events. For 69/77 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6820 event pairs, 1 based on Foata normal form. 6/1417 useless extension candidates. Maximal degree in co-relation 1694. Up to 25 conditions per place. [2023-11-29 02:14:31,080 INFO L140 encePairwiseOnDemand]: 586/616 looper letters, 36 selfloop transitions, 57 changer transitions 0/599 dead transitions. [2023-11-29 02:14:31,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 599 transitions, 1684 flow [2023-11-29 02:14:31,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 02:14:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-29 02:14:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 9449 transitions. [2023-11-29 02:14:31,099 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9023109243697479 [2023-11-29 02:14:31,099 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 9449 transitions. [2023-11-29 02:14:31,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 9449 transitions. [2023-11-29 02:14:31,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:31,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 9449 transitions. [2023-11-29 02:14:31,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 555.8235294117648) internal successors, (9449), 17 states have internal predecessors, (9449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:31,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 616.0) internal successors, (11088), 18 states have internal predecessors, (11088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:31,121 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 616.0) internal successors, (11088), 18 states have internal predecessors, (11088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:31,121 INFO L175 Difference]: Start difference. First operand has 564 places, 569 transitions, 1354 flow. Second operand 17 states and 9449 transitions. [2023-11-29 02:14:31,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 599 transitions, 1684 flow [2023-11-29 02:14:31,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 599 transitions, 1684 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:14:31,131 INFO L231 Difference]: Finished difference. Result has 583 places, 590 transitions, 1630 flow [2023-11-29 02:14:31,132 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1354, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=569, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1630, PETRI_PLACES=583, PETRI_TRANSITIONS=590} [2023-11-29 02:14:31,132 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, 17 predicate places. [2023-11-29 02:14:31,132 INFO L495 AbstractCegarLoop]: Abstraction has has 583 places, 590 transitions, 1630 flow [2023-11-29 02:14:31,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 553.0909090909091) internal successors, (12168), 22 states have internal predecessors, (12168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:31,134 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:31,134 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:31,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:14:31,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:31,335 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:31,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:31,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1860589059, now seen corresponding path program 1 times [2023-11-29 02:14:31,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:31,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001225226] [2023-11-29 02:14:31,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:31,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:31,503 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:31,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:31,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001225226] [2023-11-29 02:14:31,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001225226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:31,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:31,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:31,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001700495] [2023-11-29 02:14:31,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:31,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:31,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:31,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:31,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:31,531 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 616 [2023-11-29 02:14:31,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 590 transitions, 1630 flow. Second operand has 3 states, 3 states have (on average 578.0) internal successors, (1734), 3 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:31,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:31,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 616 [2023-11-29 02:14:31,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:33,208 INFO L124 PetriNetUnfolderBase]: 142/4747 cut-off events. [2023-11-29 02:14:33,208 INFO L125 PetriNetUnfolderBase]: For 126/167 co-relation queries the response was YES. [2023-11-29 02:14:33,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5335 conditions, 4747 events. 142/4747 cut-off events. For 126/167 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 36848 event pairs, 28 based on Foata normal form. 7/4179 useless extension candidates. Maximal degree in co-relation 4790. Up to 95 conditions per place. [2023-11-29 02:14:33,292 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 17 selfloop transitions, 2 changer transitions 0/591 dead transitions. [2023-11-29 02:14:33,292 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 591 transitions, 1672 flow [2023-11-29 02:14:33,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:33,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1746 transitions. [2023-11-29 02:14:33,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9448051948051948 [2023-11-29 02:14:33,298 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1746 transitions. [2023-11-29 02:14:33,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1746 transitions. [2023-11-29 02:14:33,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:33,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1746 transitions. [2023-11-29 02:14:33,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 582.0) internal successors, (1746), 3 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:33,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:33,304 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:33,304 INFO L175 Difference]: Start difference. First operand has 583 places, 590 transitions, 1630 flow. Second operand 3 states and 1746 transitions. [2023-11-29 02:14:33,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 591 transitions, 1672 flow [2023-11-29 02:14:33,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 591 transitions, 1594 flow, removed 12 selfloop flow, removed 8 redundant places. [2023-11-29 02:14:33,319 INFO L231 Difference]: Finished difference. Result has 576 places, 589 transitions, 1554 flow [2023-11-29 02:14:33,320 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1550, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=587, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1554, PETRI_PLACES=576, PETRI_TRANSITIONS=589} [2023-11-29 02:14:33,320 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, 10 predicate places. [2023-11-29 02:14:33,321 INFO L495 AbstractCegarLoop]: Abstraction has has 576 places, 589 transitions, 1554 flow [2023-11-29 02:14:33,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.0) internal successors, (1734), 3 states have internal predecessors, (1734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:33,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:33,322 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:33,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 02:14:33,322 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:33,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:33,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1553459036, now seen corresponding path program 2 times [2023-11-29 02:14:33,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:33,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031271667] [2023-11-29 02:14:33,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:33,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:34,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:34,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031271667] [2023-11-29 02:14:34,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031271667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:34,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:34,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:14:34,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764598694] [2023-11-29 02:14:34,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:34,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:14:34,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:34,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:14:34,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:14:35,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 616 [2023-11-29 02:14:35,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 589 transitions, 1554 flow. Second operand has 6 states, 6 states have (on average 567.5) internal successors, (3405), 6 states have internal predecessors, (3405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:35,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:35,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 616 [2023-11-29 02:14:35,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:35,841 INFO L124 PetriNetUnfolderBase]: 77/2497 cut-off events. [2023-11-29 02:14:35,841 INFO L125 PetriNetUnfolderBase]: For 125/134 co-relation queries the response was YES. [2023-11-29 02:14:35,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2995 conditions, 2497 events. 77/2497 cut-off events. For 125/134 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14669 event pairs, 5 based on Foata normal form. 5/2241 useless extension candidates. Maximal degree in co-relation 2794. Up to 94 conditions per place. [2023-11-29 02:14:35,878 INFO L140 encePairwiseOnDemand]: 610/616 looper letters, 30 selfloop transitions, 6 changer transitions 0/596 dead transitions. [2023-11-29 02:14:35,879 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 596 transitions, 1648 flow [2023-11-29 02:14:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:14:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:14:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3420 transitions. [2023-11-29 02:14:35,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9253246753246753 [2023-11-29 02:14:35,885 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3420 transitions. [2023-11-29 02:14:35,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3420 transitions. [2023-11-29 02:14:35,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:35,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3420 transitions. [2023-11-29 02:14:35,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 570.0) internal successors, (3420), 6 states have internal predecessors, (3420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:35,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:35,892 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:35,892 INFO L175 Difference]: Start difference. First operand has 576 places, 589 transitions, 1554 flow. Second operand 6 states and 3420 transitions. [2023-11-29 02:14:35,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 596 transitions, 1648 flow [2023-11-29 02:14:35,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 596 transitions, 1644 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:35,902 INFO L231 Difference]: Finished difference. Result has 578 places, 588 transitions, 1560 flow [2023-11-29 02:14:35,902 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1548, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1560, PETRI_PLACES=578, PETRI_TRANSITIONS=588} [2023-11-29 02:14:35,903 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, 12 predicate places. [2023-11-29 02:14:35,903 INFO L495 AbstractCegarLoop]: Abstraction has has 578 places, 588 transitions, 1560 flow [2023-11-29 02:14:35,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 567.5) internal successors, (3405), 6 states have internal predecessors, (3405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:35,904 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:35,904 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:35,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:14:35,904 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:35,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:35,904 INFO L85 PathProgramCache]: Analyzing trace with hash 14471278, now seen corresponding path program 1 times [2023-11-29 02:14:35,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:35,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281019881] [2023-11-29 02:14:35,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:35,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:36,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:36,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281019881] [2023-11-29 02:14:36,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281019881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:36,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:36,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:36,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616339081] [2023-11-29 02:14:36,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:36,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:36,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:36,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:36,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:36,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 616 [2023-11-29 02:14:36,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 588 transitions, 1560 flow. Second operand has 3 states, 3 states have (on average 577.0) internal successors, (1731), 3 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:36,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:36,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 616 [2023-11-29 02:14:36,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:37,015 INFO L124 PetriNetUnfolderBase]: 149/2488 cut-off events. [2023-11-29 02:14:37,015 INFO L125 PetriNetUnfolderBase]: For 198/220 co-relation queries the response was YES. [2023-11-29 02:14:37,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2985 conditions, 2488 events. 149/2488 cut-off events. For 198/220 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 16455 event pairs, 61 based on Foata normal form. 0/2161 useless extension candidates. Maximal degree in co-relation 2477. Up to 187 conditions per place. [2023-11-29 02:14:37,060 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 16 selfloop transitions, 2 changer transitions 0/589 dead transitions. [2023-11-29 02:14:37,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 579 places, 589 transitions, 1600 flow [2023-11-29 02:14:37,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:37,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:37,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1744 transitions. [2023-11-29 02:14:37,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9437229437229437 [2023-11-29 02:14:37,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1744 transitions. [2023-11-29 02:14:37,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1744 transitions. [2023-11-29 02:14:37,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:37,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1744 transitions. [2023-11-29 02:14:37,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.3333333333334) internal successors, (1744), 3 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:37,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:37,072 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:37,072 INFO L175 Difference]: Start difference. First operand has 578 places, 588 transitions, 1560 flow. Second operand 3 states and 1744 transitions. [2023-11-29 02:14:37,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 579 places, 589 transitions, 1600 flow [2023-11-29 02:14:37,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 574 places, 589 transitions, 1588 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:14:37,087 INFO L231 Difference]: Finished difference. Result has 574 places, 587 transitions, 1550 flow [2023-11-29 02:14:37,087 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1546, PETRI_DIFFERENCE_MINUEND_PLACES=572, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1550, PETRI_PLACES=574, PETRI_TRANSITIONS=587} [2023-11-29 02:14:37,088 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, 8 predicate places. [2023-11-29 02:14:37,088 INFO L495 AbstractCegarLoop]: Abstraction has has 574 places, 587 transitions, 1550 flow [2023-11-29 02:14:37,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.0) internal successors, (1731), 3 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:37,089 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:37,089 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:37,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 02:14:37,089 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:37,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:37,090 INFO L85 PathProgramCache]: Analyzing trace with hash -338321867, now seen corresponding path program 1 times [2023-11-29 02:14:37,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:37,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762862444] [2023-11-29 02:14:37,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:37,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:37,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:37,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762862444] [2023-11-29 02:14:37,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762862444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:37,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:37,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:37,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926389718] [2023-11-29 02:14:37,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:37,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:37,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:37,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:37,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:37,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 571 out of 616 [2023-11-29 02:14:37,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 587 transitions, 1550 flow. Second operand has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:37,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:37,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 571 of 616 [2023-11-29 02:14:37,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:38,994 INFO L124 PetriNetUnfolderBase]: 154/4000 cut-off events. [2023-11-29 02:14:38,994 INFO L125 PetriNetUnfolderBase]: For 127/189 co-relation queries the response was YES. [2023-11-29 02:14:39,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4588 conditions, 4000 events. 154/4000 cut-off events. For 127/189 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 29959 event pairs, 25 based on Foata normal form. 1/3559 useless extension candidates. Maximal degree in co-relation 4150. Up to 110 conditions per place. [2023-11-29 02:14:39,081 INFO L140 encePairwiseOnDemand]: 607/616 looper letters, 17 selfloop transitions, 5 changer transitions 0/588 dead transitions. [2023-11-29 02:14:39,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 588 transitions, 1598 flow [2023-11-29 02:14:39,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:39,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1739 transitions. [2023-11-29 02:14:39,085 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.941017316017316 [2023-11-29 02:14:39,085 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1739 transitions. [2023-11-29 02:14:39,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1739 transitions. [2023-11-29 02:14:39,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:39,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1739 transitions. [2023-11-29 02:14:39,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 579.6666666666666) internal successors, (1739), 3 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:39,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:39,093 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:39,093 INFO L175 Difference]: Start difference. First operand has 574 places, 587 transitions, 1550 flow. Second operand 3 states and 1739 transitions. [2023-11-29 02:14:39,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 588 transitions, 1598 flow [2023-11-29 02:14:39,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 588 transitions, 1594 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:39,114 INFO L231 Difference]: Finished difference. Result has 572 places, 586 transitions, 1570 flow [2023-11-29 02:14:39,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1538, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1570, PETRI_PLACES=572, PETRI_TRANSITIONS=586} [2023-11-29 02:14:39,116 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, 6 predicate places. [2023-11-29 02:14:39,116 INFO L495 AbstractCegarLoop]: Abstraction has has 572 places, 586 transitions, 1570 flow [2023-11-29 02:14:39,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:39,117 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:39,117 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:39,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 02:14:39,118 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:39,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:39,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1774438913, now seen corresponding path program 1 times [2023-11-29 02:14:39,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:39,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466238775] [2023-11-29 02:14:39,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:39,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:39,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:39,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466238775] [2023-11-29 02:14:39,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466238775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:39,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:39,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:39,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403339635] [2023-11-29 02:14:39,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:39,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:39,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:39,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:39,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:39,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 616 [2023-11-29 02:14:39,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 586 transitions, 1570 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:39,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:39,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 616 [2023-11-29 02:14:39,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:41,176 INFO L124 PetriNetUnfolderBase]: 138/4110 cut-off events. [2023-11-29 02:14:41,176 INFO L125 PetriNetUnfolderBase]: For 159/167 co-relation queries the response was YES. [2023-11-29 02:14:41,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4658 conditions, 4110 events. 138/4110 cut-off events. For 159/167 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 30228 event pairs, 30 based on Foata normal form. 0/3652 useless extension candidates. Maximal degree in co-relation 4148. Up to 141 conditions per place. [2023-11-29 02:14:41,268 INFO L140 encePairwiseOnDemand]: 612/616 looper letters, 16 selfloop transitions, 2 changer transitions 0/591 dead transitions. [2023-11-29 02:14:41,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 591 transitions, 1621 flow [2023-11-29 02:14:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1757 transitions. [2023-11-29 02:14:41,271 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9507575757575758 [2023-11-29 02:14:41,271 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1757 transitions. [2023-11-29 02:14:41,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1757 transitions. [2023-11-29 02:14:41,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:41,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1757 transitions. [2023-11-29 02:14:41,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 585.6666666666666) internal successors, (1757), 3 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:41,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:41,275 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:41,275 INFO L175 Difference]: Start difference. First operand has 572 places, 586 transitions, 1570 flow. Second operand 3 states and 1757 transitions. [2023-11-29 02:14:41,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 591 transitions, 1621 flow [2023-11-29 02:14:41,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 591 transitions, 1611 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:41,288 INFO L231 Difference]: Finished difference. Result has 571 places, 586 transitions, 1570 flow [2023-11-29 02:14:41,289 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1556, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1570, PETRI_PLACES=571, PETRI_TRANSITIONS=586} [2023-11-29 02:14:41,289 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, 5 predicate places. [2023-11-29 02:14:41,289 INFO L495 AbstractCegarLoop]: Abstraction has has 571 places, 586 transitions, 1570 flow [2023-11-29 02:14:41,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:41,290 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:41,290 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:41,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 02:14:41,290 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:41,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:41,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1372621623, now seen corresponding path program 1 times [2023-11-29 02:14:41,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:41,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804321965] [2023-11-29 02:14:41,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:41,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:41,472 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:41,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:41,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804321965] [2023-11-29 02:14:41,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804321965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:41,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:41,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:14:41,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134409421] [2023-11-29 02:14:41,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:41,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:14:41,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:41,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:14:41,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:14:41,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 578 out of 616 [2023-11-29 02:14:41,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 586 transitions, 1570 flow. Second operand has 4 states, 4 states have (on average 579.5) internal successors, (2318), 4 states have internal predecessors, (2318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:41,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:41,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 578 of 616 [2023-11-29 02:14:41,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:43,806 INFO L124 PetriNetUnfolderBase]: 244/7051 cut-off events. [2023-11-29 02:14:43,806 INFO L125 PetriNetUnfolderBase]: For 170/244 co-relation queries the response was YES. [2023-11-29 02:14:43,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7969 conditions, 7051 events. 244/7051 cut-off events. For 170/244 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 62055 event pairs, 58 based on Foata normal form. 4/6230 useless extension candidates. Maximal degree in co-relation 7460. Up to 155 conditions per place. [2023-11-29 02:14:43,945 INFO L140 encePairwiseOnDemand]: 611/616 looper letters, 25 selfloop transitions, 4 changer transitions 0/600 dead transitions. [2023-11-29 02:14:43,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 600 transitions, 1664 flow [2023-11-29 02:14:43,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:14:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:14:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2920 transitions. [2023-11-29 02:14:43,949 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.948051948051948 [2023-11-29 02:14:43,949 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2920 transitions. [2023-11-29 02:14:43,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2920 transitions. [2023-11-29 02:14:43,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:43,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2920 transitions. [2023-11-29 02:14:43,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 584.0) internal successors, (2920), 5 states have internal predecessors, (2920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:43,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 616.0) internal successors, (3696), 6 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:43,959 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 616.0) internal successors, (3696), 6 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:43,959 INFO L175 Difference]: Start difference. First operand has 571 places, 586 transitions, 1570 flow. Second operand 5 states and 2920 transitions. [2023-11-29 02:14:43,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 600 transitions, 1664 flow [2023-11-29 02:14:43,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 600 transitions, 1664 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:14:43,971 INFO L231 Difference]: Finished difference. Result has 578 places, 588 transitions, 1595 flow [2023-11-29 02:14:43,971 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1566, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1595, PETRI_PLACES=578, PETRI_TRANSITIONS=588} [2023-11-29 02:14:43,972 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, 12 predicate places. [2023-11-29 02:14:43,972 INFO L495 AbstractCegarLoop]: Abstraction has has 578 places, 588 transitions, 1595 flow [2023-11-29 02:14:43,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 579.5) internal successors, (2318), 4 states have internal predecessors, (2318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:43,973 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:43,973 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:43,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 02:14:43,973 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:43,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:43,974 INFO L85 PathProgramCache]: Analyzing trace with hash -2125551078, now seen corresponding path program 1 times [2023-11-29 02:14:43,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:43,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915752779] [2023-11-29 02:14:43,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:43,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:44,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:44,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915752779] [2023-11-29 02:14:44,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915752779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:44,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:44,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:44,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038070602] [2023-11-29 02:14:44,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:44,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:44,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:44,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:44,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:44,121 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 616 [2023-11-29 02:14:44,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 588 transitions, 1595 flow. Second operand has 3 states, 3 states have (on average 577.3333333333334) internal successors, (1732), 3 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:44,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:44,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 616 [2023-11-29 02:14:44,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:47,635 INFO L124 PetriNetUnfolderBase]: 386/10007 cut-off events. [2023-11-29 02:14:47,635 INFO L125 PetriNetUnfolderBase]: For 318/492 co-relation queries the response was YES. [2023-11-29 02:14:47,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11351 conditions, 10007 events. 386/10007 cut-off events. For 318/492 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 100586 event pairs, 113 based on Foata normal form. 16/8833 useless extension candidates. Maximal degree in co-relation 10839. Up to 310 conditions per place. [2023-11-29 02:14:47,860 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 18 selfloop transitions, 2 changer transitions 0/589 dead transitions. [2023-11-29 02:14:47,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 579 places, 589 transitions, 1639 flow [2023-11-29 02:14:47,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1744 transitions. [2023-11-29 02:14:47,863 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9437229437229437 [2023-11-29 02:14:47,863 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1744 transitions. [2023-11-29 02:14:47,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1744 transitions. [2023-11-29 02:14:47,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:47,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1744 transitions. [2023-11-29 02:14:47,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.3333333333334) internal successors, (1744), 3 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:47,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:47,867 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:47,867 INFO L175 Difference]: Start difference. First operand has 578 places, 588 transitions, 1595 flow. Second operand 3 states and 1744 transitions. [2023-11-29 02:14:47,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 579 places, 589 transitions, 1639 flow [2023-11-29 02:14:47,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 579 places, 589 transitions, 1639 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:14:47,886 INFO L231 Difference]: Finished difference. Result has 579 places, 587 transitions, 1597 flow [2023-11-29 02:14:47,887 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1593, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1597, PETRI_PLACES=579, PETRI_TRANSITIONS=587} [2023-11-29 02:14:47,888 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, 13 predicate places. [2023-11-29 02:14:47,888 INFO L495 AbstractCegarLoop]: Abstraction has has 579 places, 587 transitions, 1597 flow [2023-11-29 02:14:47,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.3333333333334) internal successors, (1732), 3 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:47,889 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:47,889 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:47,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 02:14:47,890 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:47,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:47,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1288497017, now seen corresponding path program 1 times [2023-11-29 02:14:47,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:47,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140425084] [2023-11-29 02:14:47,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:47,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:48,779 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:48,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:48,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140425084] [2023-11-29 02:14:48,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140425084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:48,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:48,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:14:48,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832607551] [2023-11-29 02:14:48,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:48,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:14:48,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:48,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:14:48,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:14:49,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 616 [2023-11-29 02:14:49,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 579 places, 587 transitions, 1597 flow. Second operand has 6 states, 6 states have (on average 567.6666666666666) internal successors, (3406), 6 states have internal predecessors, (3406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:49,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:49,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 616 [2023-11-29 02:14:49,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:50,864 INFO L124 PetriNetUnfolderBase]: 200/4823 cut-off events. [2023-11-29 02:14:50,864 INFO L125 PetriNetUnfolderBase]: For 257/379 co-relation queries the response was YES. [2023-11-29 02:14:50,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5771 conditions, 4823 events. 200/4823 cut-off events. For 257/379 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 37591 event pairs, 18 based on Foata normal form. 28/4356 useless extension candidates. Maximal degree in co-relation 5372. Up to 147 conditions per place. [2023-11-29 02:14:50,966 INFO L140 encePairwiseOnDemand]: 610/616 looper letters, 30 selfloop transitions, 6 changer transitions 0/594 dead transitions. [2023-11-29 02:14:50,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 594 transitions, 1691 flow [2023-11-29 02:14:50,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:14:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:14:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3420 transitions. [2023-11-29 02:14:50,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9253246753246753 [2023-11-29 02:14:50,970 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3420 transitions. [2023-11-29 02:14:50,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3420 transitions. [2023-11-29 02:14:50,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:50,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3420 transitions. [2023-11-29 02:14:50,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 570.0) internal successors, (3420), 6 states have internal predecessors, (3420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:50,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:50,977 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:50,977 INFO L175 Difference]: Start difference. First operand has 579 places, 587 transitions, 1597 flow. Second operand 6 states and 3420 transitions. [2023-11-29 02:14:50,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 594 transitions, 1691 flow [2023-11-29 02:14:50,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 594 transitions, 1687 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:50,990 INFO L231 Difference]: Finished difference. Result has 581 places, 586 transitions, 1603 flow [2023-11-29 02:14:50,991 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1591, PETRI_DIFFERENCE_MINUEND_PLACES=576, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1603, PETRI_PLACES=581, PETRI_TRANSITIONS=586} [2023-11-29 02:14:50,991 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, 15 predicate places. [2023-11-29 02:14:50,991 INFO L495 AbstractCegarLoop]: Abstraction has has 581 places, 586 transitions, 1603 flow [2023-11-29 02:14:50,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 567.6666666666666) internal successors, (3406), 6 states have internal predecessors, (3406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:50,992 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:50,992 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:50,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 02:14:50,992 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:50,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:50,993 INFO L85 PathProgramCache]: Analyzing trace with hash -189319594, now seen corresponding path program 1 times [2023-11-29 02:14:50,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:50,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076781856] [2023-11-29 02:14:50,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:50,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:51,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:51,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076781856] [2023-11-29 02:14:51,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076781856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:51,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:51,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:51,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410033217] [2023-11-29 02:14:51,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:51,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:51,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:51,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:51,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:51,123 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 571 out of 616 [2023-11-29 02:14:51,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 586 transitions, 1603 flow. Second operand has 3 states, 3 states have (on average 573.0) internal successors, (1719), 3 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:51,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:51,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 571 of 616 [2023-11-29 02:14:51,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:52,952 INFO L124 PetriNetUnfolderBase]: 235/4973 cut-off events. [2023-11-29 02:14:52,952 INFO L125 PetriNetUnfolderBase]: For 260/306 co-relation queries the response was YES. [2023-11-29 02:14:53,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5869 conditions, 4973 events. 235/4973 cut-off events. For 260/306 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 42125 event pairs, 56 based on Foata normal form. 13/4451 useless extension candidates. Maximal degree in co-relation 5356. Up to 240 conditions per place. [2023-11-29 02:14:53,061 INFO L140 encePairwiseOnDemand]: 607/616 looper letters, 13 selfloop transitions, 4 changer transitions 19/587 dead transitions. [2023-11-29 02:14:53,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 579 places, 587 transitions, 1649 flow [2023-11-29 02:14:53,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1738 transitions. [2023-11-29 02:14:53,064 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9404761904761905 [2023-11-29 02:14:53,064 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1738 transitions. [2023-11-29 02:14:53,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1738 transitions. [2023-11-29 02:14:53,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:53,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1738 transitions. [2023-11-29 02:14:53,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 579.3333333333334) internal successors, (1738), 3 states have internal predecessors, (1738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:53,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:53,069 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:53,070 INFO L175 Difference]: Start difference. First operand has 581 places, 586 transitions, 1603 flow. Second operand 3 states and 1738 transitions. [2023-11-29 02:14:53,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 579 places, 587 transitions, 1649 flow [2023-11-29 02:14:53,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 574 places, 587 transitions, 1637 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:14:53,087 INFO L231 Difference]: Finished difference. Result has 576 places, 566 transitions, 1568 flow [2023-11-29 02:14:53,088 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1583, PETRI_DIFFERENCE_MINUEND_PLACES=572, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1568, PETRI_PLACES=576, PETRI_TRANSITIONS=566} [2023-11-29 02:14:53,088 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, 10 predicate places. [2023-11-29 02:14:53,089 INFO L495 AbstractCegarLoop]: Abstraction has has 576 places, 566 transitions, 1568 flow [2023-11-29 02:14:53,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 573.0) internal successors, (1719), 3 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:53,089 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:53,090 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:53,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 02:14:53,090 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:53,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:53,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1295101916, now seen corresponding path program 1 times [2023-11-29 02:14:53,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:53,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520910315] [2023-11-29 02:14:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:53,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:53,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:53,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520910315] [2023-11-29 02:14:53,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520910315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:53,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:53,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:14:53,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177244715] [2023-11-29 02:14:53,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:53,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:14:53,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:53,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:14:53,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:14:53,261 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 616 [2023-11-29 02:14:53,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 566 transitions, 1568 flow. Second operand has 3 states, 3 states have (on average 580.6666666666666) internal successors, (1742), 3 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:53,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:53,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 616 [2023-11-29 02:14:53,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:57,210 INFO L124 PetriNetUnfolderBase]: 497/10897 cut-off events. [2023-11-29 02:14:57,211 INFO L125 PetriNetUnfolderBase]: For 452/462 co-relation queries the response was YES. [2023-11-29 02:14:57,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12742 conditions, 10897 events. 497/10897 cut-off events. For 452/462 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 113308 event pairs, 162 based on Foata normal form. 0/9881 useless extension candidates. Maximal degree in co-relation 12228. Up to 618 conditions per place. [2023-11-29 02:14:57,352 INFO L140 encePairwiseOnDemand]: 612/616 looper letters, 13 selfloop transitions, 2 changer transitions 0/569 dead transitions. [2023-11-29 02:14:57,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 569 transitions, 1607 flow [2023-11-29 02:14:57,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:14:57,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:14:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1754 transitions. [2023-11-29 02:14:57,355 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9491341991341992 [2023-11-29 02:14:57,355 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1754 transitions. [2023-11-29 02:14:57,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1754 transitions. [2023-11-29 02:14:57,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:57,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1754 transitions. [2023-11-29 02:14:57,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 584.6666666666666) internal successors, (1754), 3 states have internal predecessors, (1754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:57,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:57,358 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:57,358 INFO L175 Difference]: Start difference. First operand has 576 places, 566 transitions, 1568 flow. Second operand 3 states and 1754 transitions. [2023-11-29 02:14:57,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 569 transitions, 1607 flow [2023-11-29 02:14:57,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 569 transitions, 1599 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:14:57,378 INFO L231 Difference]: Finished difference. Result has 556 places, 566 transitions, 1570 flow [2023-11-29 02:14:57,379 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1556, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1570, PETRI_PLACES=556, PETRI_TRANSITIONS=566} [2023-11-29 02:14:57,380 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -10 predicate places. [2023-11-29 02:14:57,380 INFO L495 AbstractCegarLoop]: Abstraction has has 556 places, 566 transitions, 1570 flow [2023-11-29 02:14:57,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.6666666666666) internal successors, (1742), 3 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:57,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:57,381 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:57,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 02:14:57,381 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:14:57,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:57,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1607268739, now seen corresponding path program 1 times [2023-11-29 02:14:57,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:57,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720940478] [2023-11-29 02:14:57,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:57,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:14:58,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:58,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720940478] [2023-11-29 02:14:58,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720940478] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:58,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:58,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:14:58,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595144136] [2023-11-29 02:14:58,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:58,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:14:58,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:58,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:14:58,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:14:58,612 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 616 [2023-11-29 02:14:58,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 566 transitions, 1570 flow. Second operand has 6 states, 6 states have (on average 567.5) internal successors, (3405), 6 states have internal predecessors, (3405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:58,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:58,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 616 [2023-11-29 02:14:58,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:01,018 INFO L124 PetriNetUnfolderBase]: 194/6185 cut-off events. [2023-11-29 02:15:01,018 INFO L125 PetriNetUnfolderBase]: For 151/275 co-relation queries the response was YES. [2023-11-29 02:15:01,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7290 conditions, 6185 events. 194/6185 cut-off events. For 151/275 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 50085 event pairs, 33 based on Foata normal form. 24/5679 useless extension candidates. Maximal degree in co-relation 7068. Up to 116 conditions per place. [2023-11-29 02:15:01,161 INFO L140 encePairwiseOnDemand]: 610/616 looper letters, 29 selfloop transitions, 6 changer transitions 0/573 dead transitions. [2023-11-29 02:15:01,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 573 transitions, 1662 flow [2023-11-29 02:15:01,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:15:01,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:15:01,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3419 transitions. [2023-11-29 02:15:01,164 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9250541125541125 [2023-11-29 02:15:01,165 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3419 transitions. [2023-11-29 02:15:01,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3419 transitions. [2023-11-29 02:15:01,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:01,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3419 transitions. [2023-11-29 02:15:01,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 569.8333333333334) internal successors, (3419), 6 states have internal predecessors, (3419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:01,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:01,170 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:01,170 INFO L175 Difference]: Start difference. First operand has 556 places, 566 transitions, 1570 flow. Second operand 6 states and 3419 transitions. [2023-11-29 02:15:01,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 573 transitions, 1662 flow [2023-11-29 02:15:01,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 573 transitions, 1662 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:15:01,181 INFO L231 Difference]: Finished difference. Result has 560 places, 565 transitions, 1580 flow [2023-11-29 02:15:01,182 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1568, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1580, PETRI_PLACES=560, PETRI_TRANSITIONS=565} [2023-11-29 02:15:01,182 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -6 predicate places. [2023-11-29 02:15:01,182 INFO L495 AbstractCegarLoop]: Abstraction has has 560 places, 565 transitions, 1580 flow [2023-11-29 02:15:01,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 567.5) internal successors, (3405), 6 states have internal predecessors, (3405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:01,183 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:01,183 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:01,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 02:15:01,184 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:15:01,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:01,184 INFO L85 PathProgramCache]: Analyzing trace with hash -696744226, now seen corresponding path program 1 times [2023-11-29 02:15:01,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:01,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385152222] [2023-11-29 02:15:01,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:01,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:15:01,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:01,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385152222] [2023-11-29 02:15:01,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385152222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:01,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:01,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:15:01,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615323593] [2023-11-29 02:15:01,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:01,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:15:01,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:01,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:15:01,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:15:01,390 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 578 out of 616 [2023-11-29 02:15:01,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 565 transitions, 1580 flow. Second operand has 4 states, 4 states have (on average 579.75) internal successors, (2319), 4 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:01,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:01,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 578 of 616 [2023-11-29 02:15:01,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:04,485 INFO L124 PetriNetUnfolderBase]: 373/8194 cut-off events. [2023-11-29 02:15:04,486 INFO L125 PetriNetUnfolderBase]: For 365/403 co-relation queries the response was YES. [2023-11-29 02:15:04,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9886 conditions, 8194 events. 373/8194 cut-off events. For 365/403 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 83612 event pairs, 146 based on Foata normal form. 2/7357 useless extension candidates. Maximal degree in co-relation 9371. Up to 444 conditions per place. [2023-11-29 02:15:04,601 INFO L140 encePairwiseOnDemand]: 611/616 looper letters, 20 selfloop transitions, 4 changer transitions 0/575 dead transitions. [2023-11-29 02:15:04,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 575 transitions, 1652 flow [2023-11-29 02:15:04,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:15:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:15:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2915 transitions. [2023-11-29 02:15:04,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9464285714285714 [2023-11-29 02:15:04,605 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2915 transitions. [2023-11-29 02:15:04,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2915 transitions. [2023-11-29 02:15:04,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:04,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2915 transitions. [2023-11-29 02:15:04,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 583.0) internal successors, (2915), 5 states have internal predecessors, (2915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:04,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 616.0) internal successors, (3696), 6 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:04,610 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 616.0) internal successors, (3696), 6 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:04,610 INFO L175 Difference]: Start difference. First operand has 560 places, 565 transitions, 1580 flow. Second operand 5 states and 2915 transitions. [2023-11-29 02:15:04,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 575 transitions, 1652 flow [2023-11-29 02:15:04,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 575 transitions, 1640 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:15:04,621 INFO L231 Difference]: Finished difference. Result has 562 places, 567 transitions, 1593 flow [2023-11-29 02:15:04,621 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1564, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1593, PETRI_PLACES=562, PETRI_TRANSITIONS=567} [2023-11-29 02:15:04,622 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -4 predicate places. [2023-11-29 02:15:04,622 INFO L495 AbstractCegarLoop]: Abstraction has has 562 places, 567 transitions, 1593 flow [2023-11-29 02:15:04,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 579.75) internal successors, (2319), 4 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:04,622 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:04,623 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:04,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 02:15:04,623 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:15:04,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:04,623 INFO L85 PathProgramCache]: Analyzing trace with hash 2078696705, now seen corresponding path program 1 times [2023-11-29 02:15:04,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:04,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116517610] [2023-11-29 02:15:04,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:04,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:04,734 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:15:04,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:04,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116517610] [2023-11-29 02:15:04,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116517610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:04,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:04,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:15:04,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568535640] [2023-11-29 02:15:04,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:04,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:15:04,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:04,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:15:04,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:15:04,759 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 616 [2023-11-29 02:15:04,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 562 places, 567 transitions, 1593 flow. Second operand has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:04,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:04,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 616 [2023-11-29 02:15:04,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:07,984 INFO L124 PetriNetUnfolderBase]: 536/8220 cut-off events. [2023-11-29 02:15:07,984 INFO L125 PetriNetUnfolderBase]: For 831/874 co-relation queries the response was YES. [2023-11-29 02:15:08,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10709 conditions, 8220 events. 536/8220 cut-off events. For 831/874 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 86824 event pairs, 275 based on Foata normal form. 1/7510 useless extension candidates. Maximal degree in co-relation 10192. Up to 783 conditions per place. [2023-11-29 02:15:08,158 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 15 selfloop transitions, 2 changer transitions 0/568 dead transitions. [2023-11-29 02:15:08,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 568 transitions, 1631 flow [2023-11-29 02:15:08,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:15:08,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:15:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1741 transitions. [2023-11-29 02:15:08,160 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9420995670995671 [2023-11-29 02:15:08,160 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1741 transitions. [2023-11-29 02:15:08,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1741 transitions. [2023-11-29 02:15:08,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:08,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1741 transitions. [2023-11-29 02:15:08,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:08,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:08,164 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:08,164 INFO L175 Difference]: Start difference. First operand has 562 places, 567 transitions, 1593 flow. Second operand 3 states and 1741 transitions. [2023-11-29 02:15:08,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 568 transitions, 1631 flow [2023-11-29 02:15:08,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 568 transitions, 1631 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:15:08,176 INFO L231 Difference]: Finished difference. Result has 563 places, 566 transitions, 1595 flow [2023-11-29 02:15:08,177 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1591, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1595, PETRI_PLACES=563, PETRI_TRANSITIONS=566} [2023-11-29 02:15:08,177 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -3 predicate places. [2023-11-29 02:15:08,177 INFO L495 AbstractCegarLoop]: Abstraction has has 563 places, 566 transitions, 1595 flow [2023-11-29 02:15:08,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:08,178 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:08,178 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:08,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 02:15:08,178 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:15:08,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:08,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1197777504, now seen corresponding path program 1 times [2023-11-29 02:15:08,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:08,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626890373] [2023-11-29 02:15:08,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:08,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:08,967 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:15:08,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:08,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626890373] [2023-11-29 02:15:08,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626890373] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:08,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:08,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:15:08,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41797808] [2023-11-29 02:15:08,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:08,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:15:08,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:08,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:15:08,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:15:09,407 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 616 [2023-11-29 02:15:09,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 566 transitions, 1595 flow. Second operand has 6 states, 6 states have (on average 567.8333333333334) internal successors, (3407), 6 states have internal predecessors, (3407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:09,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:09,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 616 [2023-11-29 02:15:09,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:12,287 INFO L124 PetriNetUnfolderBase]: 363/7814 cut-off events. [2023-11-29 02:15:12,287 INFO L125 PetriNetUnfolderBase]: For 684/732 co-relation queries the response was YES. [2023-11-29 02:15:12,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10143 conditions, 7814 events. 363/7814 cut-off events. For 684/732 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 78425 event pairs, 64 based on Foata normal form. 4/7286 useless extension candidates. Maximal degree in co-relation 9563. Up to 224 conditions per place. [2023-11-29 02:15:12,397 INFO L140 encePairwiseOnDemand]: 610/616 looper letters, 29 selfloop transitions, 6 changer transitions 0/573 dead transitions. [2023-11-29 02:15:12,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 573 transitions, 1687 flow [2023-11-29 02:15:12,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:15:12,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:15:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3419 transitions. [2023-11-29 02:15:12,401 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9250541125541125 [2023-11-29 02:15:12,401 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3419 transitions. [2023-11-29 02:15:12,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3419 transitions. [2023-11-29 02:15:12,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:12,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3419 transitions. [2023-11-29 02:15:12,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 569.8333333333334) internal successors, (3419), 6 states have internal predecessors, (3419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:12,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:12,406 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:12,407 INFO L175 Difference]: Start difference. First operand has 563 places, 566 transitions, 1595 flow. Second operand 6 states and 3419 transitions. [2023-11-29 02:15:12,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 573 transitions, 1687 flow [2023-11-29 02:15:12,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 573 transitions, 1683 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:15:12,419 INFO L231 Difference]: Finished difference. Result has 565 places, 565 transitions, 1601 flow [2023-11-29 02:15:12,420 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1589, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1601, PETRI_PLACES=565, PETRI_TRANSITIONS=565} [2023-11-29 02:15:12,420 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -1 predicate places. [2023-11-29 02:15:12,420 INFO L495 AbstractCegarLoop]: Abstraction has has 565 places, 565 transitions, 1601 flow [2023-11-29 02:15:12,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 567.8333333333334) internal successors, (3407), 6 states have internal predecessors, (3407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:12,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:12,421 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:12,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 02:15:12,421 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:15:12,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:12,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2133278880, now seen corresponding path program 1 times [2023-11-29 02:15:12,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:12,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17422426] [2023-11-29 02:15:12,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:12,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:15:13,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:13,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17422426] [2023-11-29 02:15:13,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17422426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:13,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:13,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:15:13,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467491808] [2023-11-29 02:15:13,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:13,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:15:13,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:13,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:15:13,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:15:13,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 616 [2023-11-29 02:15:13,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 565 transitions, 1601 flow. Second operand has 6 states, 6 states have (on average 567.6666666666666) internal successors, (3406), 6 states have internal predecessors, (3406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:13,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:13,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 616 [2023-11-29 02:15:13,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:16,802 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1533] L68-11-->L68-12: Formula: (= (store |v_#race_32| v_~o_4~0.base_2 (store (select |v_#race_32| v_~o_4~0.base_2) (+ v_~o_4~0.offset_2 (* |v_thread2Thread1of1ForFork0_~i~1#1_23| 4)) 0)) |v_#race_31|) InVars {#race=|v_#race_32|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_23|, ~o_4~0.base=v_~o_4~0.base_2, ~o_4~0.offset=v_~o_4~0.offset_2} OutVars{#race=|v_#race_31|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_23|, ~o_4~0.base=v_~o_4~0.base_2, ~o_4~0.offset=v_~o_4~0.offset_2} AuxVars[] AssignedVars[#race][383], [Black: 1917#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1911#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 4736#true, Black: 641#true, 2826#(= |#race~o_0~0| 0), 4738#(= |#race~o_2~0| 0), Black: 4746#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not (= |thread2Thread1of1ForFork0_~stop~1#1| (* 256 (div |thread2Thread1of1ForFork0_~stop~1#1| 256))))), 643#(= |#race~isNull_5~0| 0), Black: 2824#true, Black: 4743#(= |thread2Thread1of1ForFork0_~i~1#1| 0), Black: 654#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), 634#(= |#race~isNull_3~0| 0), Black: 2835#(= |#race~result_7~0| 0), 629#(= |#race~isNull_1~0| 0), 4770#(= |#race~o_4~0| 0), Black: 4764#(= |#race~result_13~0| 0), Black: 2844#(and (not (= |thread1Thread1of1ForFork2_~stop~0#1| (* 256 (div |thread1Thread1of1ForFork2_~stop~0#1| 256)))) (= |thread1Thread1of1ForFork2_~i~0#1| 0)), Black: 2841#(= |thread1Thread1of1ForFork2_~i~0#1| 0), Black: 4768#true, 4803#(= (select (select |#race| ~o_4~0.base) (+ (* |thread2Thread1of1ForFork0_~i~1#1| 4) ~o_4~0.offset)) 0), 4782#(= |thread3Thread1of1ForFork1_~i~2#1| 0), 2839#true, Black: 4684#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 269#L82-9true, Black: 4710#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 53#L68-12true, Black: 4704#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 3)), Black: 4780#true, 4741#true, Black: 4785#(and (= |thread3Thread1of1ForFork1_~i~2#1| 0) (not (= (* 256 (div |thread3Thread1of1ForFork1_~stop~2#1| 256)) |thread3Thread1of1ForFork1_~stop~2#1|))), Black: 627#true, 547#L104-7true, 2822#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 632#true, 4799#(and (= (select (select |#race| ~o_2~0.base) (+ (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset 1)) 0) (= (select (select |#race| ~o_2~0.base) (+ 3 (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ 2 (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0)), Black: 4730#true, Black: 1903#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|))]) [2023-11-29 02:15:16,802 INFO L294 olderBase$Statistics]: this new event has 687 ancestors and is cut-off event [2023-11-29 02:15:16,802 INFO L297 olderBase$Statistics]: existing Event has 634 ancestors and is cut-off event [2023-11-29 02:15:16,802 INFO L297 olderBase$Statistics]: existing Event has 634 ancestors and is cut-off event [2023-11-29 02:15:16,802 INFO L297 olderBase$Statistics]: existing Event has 581 ancestors and is cut-off event [2023-11-29 02:15:16,809 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1533] L68-11-->L68-12: Formula: (= (store |v_#race_32| v_~o_4~0.base_2 (store (select |v_#race_32| v_~o_4~0.base_2) (+ v_~o_4~0.offset_2 (* |v_thread2Thread1of1ForFork0_~i~1#1_23| 4)) 0)) |v_#race_31|) InVars {#race=|v_#race_32|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_23|, ~o_4~0.base=v_~o_4~0.base_2, ~o_4~0.offset=v_~o_4~0.offset_2} OutVars{#race=|v_#race_31|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_23|, ~o_4~0.base=v_~o_4~0.base_2, ~o_4~0.offset=v_~o_4~0.offset_2} AuxVars[] AssignedVars[#race][383], [Black: 1917#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1911#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 4736#true, Black: 641#true, 2826#(= |#race~o_0~0| 0), 4738#(= |#race~o_2~0| 0), Black: 4746#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not (= |thread2Thread1of1ForFork0_~stop~1#1| (* 256 (div |thread2Thread1of1ForFork0_~stop~1#1| 256))))), 643#(= |#race~isNull_5~0| 0), Black: 2824#true, Black: 4743#(= |thread2Thread1of1ForFork0_~i~1#1| 0), Black: 654#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), 2842#(not (= |thread1Thread1of1ForFork2_~stop~0#1| (* 256 (div |thread1Thread1of1ForFork2_~stop~0#1| 256)))), 634#(= |#race~isNull_3~0| 0), Black: 2835#(= |#race~result_7~0| 0), 629#(= |#race~isNull_1~0| 0), 4770#(= |#race~o_4~0| 0), Black: 4764#(= |#race~result_13~0| 0), Black: 2844#(and (not (= |thread1Thread1of1ForFork2_~stop~0#1| (* 256 (div |thread1Thread1of1ForFork2_~stop~0#1| 256)))) (= |thread1Thread1of1ForFork2_~i~0#1| 0)), Black: 2839#true, Black: 2841#(= |thread1Thread1of1ForFork2_~i~0#1| 0), Black: 4768#true, 4803#(= (select (select |#race| ~o_4~0.base) (+ (* |thread2Thread1of1ForFork0_~i~1#1| 4) ~o_4~0.offset)) 0), 4782#(= |thread3Thread1of1ForFork1_~i~2#1| 0), Black: 4684#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 269#L82-9true, Black: 4710#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 53#L68-12true, Black: 4704#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 3)), Black: 4780#true, 4741#true, Black: 4785#(and (= |thread3Thread1of1ForFork1_~i~2#1| 0) (not (= (* 256 (div |thread3Thread1of1ForFork1_~stop~2#1| 256)) |thread3Thread1of1ForFork1_~stop~2#1|))), Black: 627#true, 547#L104-7true, 2822#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 632#true, 4799#(and (= (select (select |#race| ~o_2~0.base) (+ (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset 1)) 0) (= (select (select |#race| ~o_2~0.base) (+ 3 (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ 2 (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0)), Black: 4730#true, Black: 1903#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|))]) [2023-11-29 02:15:16,809 INFO L294 olderBase$Statistics]: this new event has 689 ancestors and is cut-off event [2023-11-29 02:15:16,809 INFO L297 olderBase$Statistics]: existing Event has 636 ancestors and is cut-off event [2023-11-29 02:15:16,809 INFO L297 olderBase$Statistics]: existing Event has 636 ancestors and is cut-off event [2023-11-29 02:15:16,809 INFO L297 olderBase$Statistics]: existing Event has 583 ancestors and is cut-off event [2023-11-29 02:15:16,983 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1533] L68-11-->L68-12: Formula: (= (store |v_#race_32| v_~o_4~0.base_2 (store (select |v_#race_32| v_~o_4~0.base_2) (+ v_~o_4~0.offset_2 (* |v_thread2Thread1of1ForFork0_~i~1#1_23| 4)) 0)) |v_#race_31|) InVars {#race=|v_#race_32|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_23|, ~o_4~0.base=v_~o_4~0.base_2, ~o_4~0.offset=v_~o_4~0.offset_2} OutVars{#race=|v_#race_31|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_23|, ~o_4~0.base=v_~o_4~0.base_2, ~o_4~0.offset=v_~o_4~0.offset_2} AuxVars[] AssignedVars[#race][383], [Black: 1917#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1911#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 4736#true, Black: 641#true, 2826#(= |#race~o_0~0| 0), 4738#(= |#race~o_2~0| 0), Black: 4746#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not (= |thread2Thread1of1ForFork0_~stop~1#1| (* 256 (div |thread2Thread1of1ForFork0_~stop~1#1| 256))))), 643#(= |#race~isNull_5~0| 0), Black: 2824#true, Black: 4743#(= |thread2Thread1of1ForFork0_~i~1#1| 0), Black: 654#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), 4780#true, 634#(= |#race~isNull_3~0| 0), Black: 2835#(= |#race~result_7~0| 0), 629#(= |#race~isNull_1~0| 0), 4770#(= |#race~o_4~0| 0), Black: 2844#(and (not (= |thread1Thread1of1ForFork2_~stop~0#1| (* 256 (div |thread1Thread1of1ForFork2_~stop~0#1| 256)))) (= |thread1Thread1of1ForFork2_~i~0#1| 0)), Black: 4762#true, Black: 2841#(= |thread1Thread1of1ForFork2_~i~0#1| 0), Black: 4768#true, 4803#(= (select (select |#race| ~o_4~0.base) (+ (* |thread2Thread1of1ForFork0_~i~1#1| 4) ~o_4~0.offset)) 0), 2839#true, Black: 4684#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 269#L82-9true, Black: 4710#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 4704#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 3)), 53#L68-12true, Black: 4782#(= |thread3Thread1of1ForFork1_~i~2#1| 0), 4741#true, Black: 4785#(and (= |thread3Thread1of1ForFork1_~i~2#1| 0) (not (= (* 256 (div |thread3Thread1of1ForFork1_~stop~2#1| 256)) |thread3Thread1of1ForFork1_~stop~2#1|))), Black: 627#true, 547#L104-7true, 2822#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 632#true, 4799#(and (= (select (select |#race| ~o_2~0.base) (+ (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset 1)) 0) (= (select (select |#race| ~o_2~0.base) (+ 3 (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ 2 (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0)), Black: 4730#true, Black: 1903#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|))]) [2023-11-29 02:15:16,984 INFO L294 olderBase$Statistics]: this new event has 740 ancestors and is cut-off event [2023-11-29 02:15:16,984 INFO L297 olderBase$Statistics]: existing Event has 687 ancestors and is cut-off event [2023-11-29 02:15:16,984 INFO L297 olderBase$Statistics]: existing Event has 634 ancestors and is cut-off event [2023-11-29 02:15:16,984 INFO L297 olderBase$Statistics]: existing Event has 687 ancestors and is cut-off event [2023-11-29 02:15:16,986 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1533] L68-11-->L68-12: Formula: (= (store |v_#race_32| v_~o_4~0.base_2 (store (select |v_#race_32| v_~o_4~0.base_2) (+ v_~o_4~0.offset_2 (* |v_thread2Thread1of1ForFork0_~i~1#1_23| 4)) 0)) |v_#race_31|) InVars {#race=|v_#race_32|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_23|, ~o_4~0.base=v_~o_4~0.base_2, ~o_4~0.offset=v_~o_4~0.offset_2} OutVars{#race=|v_#race_31|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_23|, ~o_4~0.base=v_~o_4~0.base_2, ~o_4~0.offset=v_~o_4~0.offset_2} AuxVars[] AssignedVars[#race][383], [Black: 1917#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1911#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 4736#true, Black: 641#true, 2826#(= |#race~o_0~0| 0), 4738#(= |#race~o_2~0| 0), Black: 4746#(and (= |thread2Thread1of1ForFork0_~i~1#1| 0) (not (= |thread2Thread1of1ForFork0_~stop~1#1| (* 256 (div |thread2Thread1of1ForFork0_~stop~1#1| 256))))), 643#(= |#race~isNull_5~0| 0), Black: 2824#true, Black: 4743#(= |thread2Thread1of1ForFork0_~i~1#1| 0), Black: 654#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), 2842#(not (= |thread1Thread1of1ForFork2_~stop~0#1| (* 256 (div |thread1Thread1of1ForFork2_~stop~0#1| 256)))), 4780#true, Black: 2835#(= |#race~result_7~0| 0), 634#(= |#race~isNull_3~0| 0), 629#(= |#race~isNull_1~0| 0), 4770#(= |#race~o_4~0| 0), Black: 2844#(and (not (= |thread1Thread1of1ForFork2_~stop~0#1| (* 256 (div |thread1Thread1of1ForFork2_~stop~0#1| 256)))) (= |thread1Thread1of1ForFork2_~i~0#1| 0)), Black: 4762#true, Black: 2839#true, Black: 2841#(= |thread1Thread1of1ForFork2_~i~0#1| 0), Black: 4768#true, 4803#(= (select (select |#race| ~o_4~0.base) (+ (* |thread2Thread1of1ForFork0_~i~1#1| 4) ~o_4~0.offset)) 0), Black: 4684#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 269#L82-9true, Black: 4710#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 4704#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 3)), 53#L68-12true, Black: 4782#(= |thread3Thread1of1ForFork1_~i~2#1| 0), 4741#true, Black: 4785#(and (= |thread3Thread1of1ForFork1_~i~2#1| 0) (not (= (* 256 (div |thread3Thread1of1ForFork1_~stop~2#1| 256)) |thread3Thread1of1ForFork1_~stop~2#1|))), Black: 627#true, 547#L104-7true, 2822#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 632#true, 4799#(and (= (select (select |#race| ~o_2~0.base) (+ (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset 1)) 0) (= (select (select |#race| ~o_2~0.base) (+ 3 (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ 2 (* 4 |thread3Thread1of1ForFork1_~i~2#1|) ~o_2~0.offset)) 0)), Black: 4730#true, Black: 1903#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|))]) [2023-11-29 02:15:16,986 INFO L294 olderBase$Statistics]: this new event has 742 ancestors and is cut-off event [2023-11-29 02:15:16,986 INFO L297 olderBase$Statistics]: existing Event has 689 ancestors and is cut-off event [2023-11-29 02:15:16,987 INFO L297 olderBase$Statistics]: existing Event has 689 ancestors and is cut-off event [2023-11-29 02:15:16,987 INFO L297 olderBase$Statistics]: existing Event has 636 ancestors and is cut-off event [2023-11-29 02:15:16,995 INFO L124 PetriNetUnfolderBase]: 331/7971 cut-off events. [2023-11-29 02:15:16,995 INFO L125 PetriNetUnfolderBase]: For 480/529 co-relation queries the response was YES. [2023-11-29 02:15:17,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10098 conditions, 7971 events. 331/7971 cut-off events. For 480/529 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 73399 event pairs, 39 based on Foata normal form. 0/7419 useless extension candidates. Maximal degree in co-relation 9754. Up to 169 conditions per place. [2023-11-29 02:15:17,190 INFO L140 encePairwiseOnDemand]: 610/616 looper letters, 29 selfloop transitions, 6 changer transitions 0/572 dead transitions. [2023-11-29 02:15:17,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 572 transitions, 1693 flow [2023-11-29 02:15:17,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:15:17,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:15:17,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3419 transitions. [2023-11-29 02:15:17,194 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9250541125541125 [2023-11-29 02:15:17,194 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3419 transitions. [2023-11-29 02:15:17,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3419 transitions. [2023-11-29 02:15:17,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:17,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3419 transitions. [2023-11-29 02:15:17,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 569.8333333333334) internal successors, (3419), 6 states have internal predecessors, (3419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:17,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:17,200 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:17,200 INFO L175 Difference]: Start difference. First operand has 565 places, 565 transitions, 1601 flow. Second operand 6 states and 3419 transitions. [2023-11-29 02:15:17,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 572 transitions, 1693 flow [2023-11-29 02:15:17,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 564 places, 572 transitions, 1681 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:15:17,213 INFO L231 Difference]: Finished difference. Result has 564 places, 564 transitions, 1599 flow [2023-11-29 02:15:17,214 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1587, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1599, PETRI_PLACES=564, PETRI_TRANSITIONS=564} [2023-11-29 02:15:17,214 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -2 predicate places. [2023-11-29 02:15:17,214 INFO L495 AbstractCegarLoop]: Abstraction has has 564 places, 564 transitions, 1599 flow [2023-11-29 02:15:17,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 567.6666666666666) internal successors, (3406), 6 states have internal predecessors, (3406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:17,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:17,216 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:17,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 02:15:17,216 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:15:17,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:17,216 INFO L85 PathProgramCache]: Analyzing trace with hash -578168697, now seen corresponding path program 1 times [2023-11-29 02:15:17,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:17,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134770709] [2023-11-29 02:15:17,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:17,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:15:17,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:17,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134770709] [2023-11-29 02:15:17,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134770709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:17,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:17,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:15:17,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487085766] [2023-11-29 02:15:17,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:17,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:15:17,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:17,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:15:17,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:15:18,399 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 616 [2023-11-29 02:15:18,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 564 transitions, 1599 flow. Second operand has 6 states, 6 states have (on average 567.8333333333334) internal successors, (3407), 6 states have internal predecessors, (3407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:18,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:18,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 616 [2023-11-29 02:15:18,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:21,490 INFO L124 PetriNetUnfolderBase]: 413/7942 cut-off events. [2023-11-29 02:15:21,490 INFO L125 PetriNetUnfolderBase]: For 654/702 co-relation queries the response was YES. [2023-11-29 02:15:21,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10287 conditions, 7942 events. 413/7942 cut-off events. For 654/702 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 80921 event pairs, 62 based on Foata normal form. 12/7500 useless extension candidates. Maximal degree in co-relation 9708. Up to 276 conditions per place. [2023-11-29 02:15:21,653 INFO L140 encePairwiseOnDemand]: 610/616 looper letters, 29 selfloop transitions, 6 changer transitions 0/571 dead transitions. [2023-11-29 02:15:21,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 571 transitions, 1691 flow [2023-11-29 02:15:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:15:21,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:15:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3419 transitions. [2023-11-29 02:15:21,657 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9250541125541125 [2023-11-29 02:15:21,657 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3419 transitions. [2023-11-29 02:15:21,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3419 transitions. [2023-11-29 02:15:21,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:21,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3419 transitions. [2023-11-29 02:15:21,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 569.8333333333334) internal successors, (3419), 6 states have internal predecessors, (3419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:21,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:21,663 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:21,663 INFO L175 Difference]: Start difference. First operand has 564 places, 564 transitions, 1599 flow. Second operand 6 states and 3419 transitions. [2023-11-29 02:15:21,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 571 transitions, 1691 flow [2023-11-29 02:15:21,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 571 transitions, 1679 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:15:21,675 INFO L231 Difference]: Finished difference. Result has 563 places, 563 transitions, 1597 flow [2023-11-29 02:15:21,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1585, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1597, PETRI_PLACES=563, PETRI_TRANSITIONS=563} [2023-11-29 02:15:21,676 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -3 predicate places. [2023-11-29 02:15:21,676 INFO L495 AbstractCegarLoop]: Abstraction has has 563 places, 563 transitions, 1597 flow [2023-11-29 02:15:21,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 567.8333333333334) internal successors, (3407), 6 states have internal predecessors, (3407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:21,677 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:21,677 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:21,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 02:15:21,678 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:15:21,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:21,678 INFO L85 PathProgramCache]: Analyzing trace with hash 94209251, now seen corresponding path program 1 times [2023-11-29 02:15:21,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:21,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207037982] [2023-11-29 02:15:21,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:21,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:15:22,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:22,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207037982] [2023-11-29 02:15:22,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207037982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:22,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:22,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:15:22,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100014742] [2023-11-29 02:15:22,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:22,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:15:22,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:22,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:15:22,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:15:23,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 616 [2023-11-29 02:15:23,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 563 transitions, 1597 flow. Second operand has 6 states, 6 states have (on average 567.8333333333334) internal successors, (3407), 6 states have internal predecessors, (3407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:23,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:23,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 616 [2023-11-29 02:15:23,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:24,805 INFO L124 PetriNetUnfolderBase]: 80/4387 cut-off events. [2023-11-29 02:15:24,805 INFO L125 PetriNetUnfolderBase]: For 195/226 co-relation queries the response was YES. [2023-11-29 02:15:24,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5538 conditions, 4387 events. 80/4387 cut-off events. For 195/226 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 32994 event pairs, 22 based on Foata normal form. 12/4194 useless extension candidates. Maximal degree in co-relation 5392. Up to 98 conditions per place. [2023-11-29 02:15:24,911 INFO L140 encePairwiseOnDemand]: 611/616 looper letters, 20 selfloop transitions, 4 changer transitions 0/562 dead transitions. [2023-11-29 02:15:24,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 562 transitions, 1643 flow [2023-11-29 02:15:24,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:15:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:15:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3409 transitions. [2023-11-29 02:15:24,916 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9223484848484849 [2023-11-29 02:15:24,916 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3409 transitions. [2023-11-29 02:15:24,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3409 transitions. [2023-11-29 02:15:24,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:24,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3409 transitions. [2023-11-29 02:15:24,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 568.1666666666666) internal successors, (3409), 6 states have internal predecessors, (3409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:24,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:24,926 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:24,926 INFO L175 Difference]: Start difference. First operand has 563 places, 563 transitions, 1597 flow. Second operand 6 states and 3409 transitions. [2023-11-29 02:15:24,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 562 transitions, 1643 flow [2023-11-29 02:15:24,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 562 transitions, 1631 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:15:24,943 INFO L231 Difference]: Finished difference. Result has 562 places, 562 transitions, 1591 flow [2023-11-29 02:15:24,944 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1583, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1591, PETRI_PLACES=562, PETRI_TRANSITIONS=562} [2023-11-29 02:15:24,945 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -4 predicate places. [2023-11-29 02:15:24,945 INFO L495 AbstractCegarLoop]: Abstraction has has 562 places, 562 transitions, 1591 flow [2023-11-29 02:15:24,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 567.8333333333334) internal successors, (3407), 6 states have internal predecessors, (3407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:24,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:24,946 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:24,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 02:15:24,946 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:15:24,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:24,947 INFO L85 PathProgramCache]: Analyzing trace with hash -2143015757, now seen corresponding path program 1 times [2023-11-29 02:15:24,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:24,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204811857] [2023-11-29 02:15:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:24,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:25,081 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:15:25,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:25,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204811857] [2023-11-29 02:15:25,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204811857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:25,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:25,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:15:25,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765496555] [2023-11-29 02:15:25,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:25,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:15:25,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:25,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:15:25,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:15:25,104 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 576 out of 616 [2023-11-29 02:15:25,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 562 places, 562 transitions, 1591 flow. Second operand has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:25,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:25,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 576 of 616 [2023-11-29 02:15:25,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:27,968 INFO L124 PetriNetUnfolderBase]: 180/8065 cut-off events. [2023-11-29 02:15:27,968 INFO L125 PetriNetUnfolderBase]: For 214/400 co-relation queries the response was YES. [2023-11-29 02:15:28,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9749 conditions, 8065 events. 180/8065 cut-off events. For 214/400 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 74215 event pairs, 69 based on Foata normal form. 6/7705 useless extension candidates. Maximal degree in co-relation 9462. Up to 166 conditions per place. [2023-11-29 02:15:28,167 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 14 selfloop transitions, 3 changer transitions 0/563 dead transitions. [2023-11-29 02:15:28,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 563 transitions, 1629 flow [2023-11-29 02:15:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:15:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:15:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1744 transitions. [2023-11-29 02:15:28,169 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9437229437229437 [2023-11-29 02:15:28,170 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1744 transitions. [2023-11-29 02:15:28,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1744 transitions. [2023-11-29 02:15:28,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:28,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1744 transitions. [2023-11-29 02:15:28,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 581.3333333333334) internal successors, (1744), 3 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:28,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:28,173 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:28,173 INFO L175 Difference]: Start difference. First operand has 562 places, 562 transitions, 1591 flow. Second operand 3 states and 1744 transitions. [2023-11-29 02:15:28,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 563 transitions, 1629 flow [2023-11-29 02:15:28,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 563 transitions, 1622 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:15:28,185 INFO L231 Difference]: Finished difference. Result has 559 places, 561 transitions, 1588 flow [2023-11-29 02:15:28,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1582, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1588, PETRI_PLACES=559, PETRI_TRANSITIONS=561} [2023-11-29 02:15:28,186 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -7 predicate places. [2023-11-29 02:15:28,186 INFO L495 AbstractCegarLoop]: Abstraction has has 559 places, 561 transitions, 1588 flow [2023-11-29 02:15:28,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:28,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:28,187 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:28,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 02:15:28,188 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:15:28,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:28,188 INFO L85 PathProgramCache]: Analyzing trace with hash 204325520, now seen corresponding path program 1 times [2023-11-29 02:15:28,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:28,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333523233] [2023-11-29 02:15:28,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:28,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:15:28,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:28,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333523233] [2023-11-29 02:15:28,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333523233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:28,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:28,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:15:28,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354020568] [2023-11-29 02:15:28,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:28,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:15:28,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:28,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:15:28,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:15:28,373 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 616 [2023-11-29 02:15:28,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 561 transitions, 1588 flow. Second operand has 3 states, 3 states have (on average 577.0) internal successors, (1731), 3 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:28,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:28,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 616 [2023-11-29 02:15:28,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:32,631 INFO L124 PetriNetUnfolderBase]: 467/10356 cut-off events. [2023-11-29 02:15:32,632 INFO L125 PetriNetUnfolderBase]: For 580/649 co-relation queries the response was YES. [2023-11-29 02:15:32,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12958 conditions, 10356 events. 467/10356 cut-off events. For 580/649 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 105447 event pairs, 175 based on Foata normal form. 0/9786 useless extension candidates. Maximal degree in co-relation 12440. Up to 514 conditions per place. [2023-11-29 02:15:32,909 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 14 selfloop transitions, 3 changer transitions 0/562 dead transitions. [2023-11-29 02:15:32,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 562 transitions, 1626 flow [2023-11-29 02:15:32,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:15:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:15:32,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1741 transitions. [2023-11-29 02:15:32,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9420995670995671 [2023-11-29 02:15:32,911 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1741 transitions. [2023-11-29 02:15:32,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1741 transitions. [2023-11-29 02:15:32,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:32,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1741 transitions. [2023-11-29 02:15:32,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:32,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:32,914 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:32,914 INFO L175 Difference]: Start difference. First operand has 559 places, 561 transitions, 1588 flow. Second operand 3 states and 1741 transitions. [2023-11-29 02:15:32,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 562 transitions, 1626 flow [2023-11-29 02:15:32,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 562 transitions, 1620 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:15:32,925 INFO L231 Difference]: Finished difference. Result has 558 places, 560 transitions, 1586 flow [2023-11-29 02:15:32,925 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1580, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1586, PETRI_PLACES=558, PETRI_TRANSITIONS=560} [2023-11-29 02:15:32,925 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -8 predicate places. [2023-11-29 02:15:32,925 INFO L495 AbstractCegarLoop]: Abstraction has has 558 places, 560 transitions, 1586 flow [2023-11-29 02:15:32,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.0) internal successors, (1731), 3 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:32,926 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:32,926 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:32,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 02:15:32,926 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:15:32,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:32,927 INFO L85 PathProgramCache]: Analyzing trace with hash 743628983, now seen corresponding path program 1 times [2023-11-29 02:15:32,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:32,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454034477] [2023-11-29 02:15:32,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:32,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:15:33,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:33,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454034477] [2023-11-29 02:15:33,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454034477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:33,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:33,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:15:33,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652249373] [2023-11-29 02:15:33,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:33,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:15:33,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:33,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:15:33,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:15:33,106 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 616 [2023-11-29 02:15:33,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 560 transitions, 1586 flow. Second operand has 3 states, 3 states have (on average 577.3333333333334) internal successors, (1732), 3 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:33,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:33,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 616 [2023-11-29 02:15:33,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:35,927 INFO L124 PetriNetUnfolderBase]: 493/7904 cut-off events. [2023-11-29 02:15:35,927 INFO L125 PetriNetUnfolderBase]: For 734/762 co-relation queries the response was YES. [2023-11-29 02:15:36,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10338 conditions, 7904 events. 493/7904 cut-off events. For 734/762 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 82756 event pairs, 260 based on Foata normal form. 0/7500 useless extension candidates. Maximal degree in co-relation 9820. Up to 746 conditions per place. [2023-11-29 02:15:36,076 INFO L140 encePairwiseOnDemand]: 613/616 looper letters, 14 selfloop transitions, 3 changer transitions 0/561 dead transitions. [2023-11-29 02:15:36,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 561 transitions, 1624 flow [2023-11-29 02:15:36,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:15:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:15:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1741 transitions. [2023-11-29 02:15:36,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9420995670995671 [2023-11-29 02:15:36,079 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1741 transitions. [2023-11-29 02:15:36,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1741 transitions. [2023-11-29 02:15:36,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:36,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1741 transitions. [2023-11-29 02:15:36,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:36,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:36,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 616.0) internal successors, (2464), 4 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:36,084 INFO L175 Difference]: Start difference. First operand has 558 places, 560 transitions, 1586 flow. Second operand 3 states and 1741 transitions. [2023-11-29 02:15:36,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 561 transitions, 1624 flow [2023-11-29 02:15:36,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 557 places, 561 transitions, 1618 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:15:36,100 INFO L231 Difference]: Finished difference. Result has 557 places, 559 transitions, 1584 flow [2023-11-29 02:15:36,101 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1578, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1584, PETRI_PLACES=557, PETRI_TRANSITIONS=559} [2023-11-29 02:15:36,101 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -9 predicate places. [2023-11-29 02:15:36,101 INFO L495 AbstractCegarLoop]: Abstraction has has 557 places, 559 transitions, 1584 flow [2023-11-29 02:15:36,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.3333333333334) internal successors, (1732), 3 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:36,102 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:36,102 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:15:36,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 02:15:36,103 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 02:15:36,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:36,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2082044065, now seen corresponding path program 1 times [2023-11-29 02:15:36,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:36,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382252816] [2023-11-29 02:15:36,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:36,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:15:37,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:37,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382252816] [2023-11-29 02:15:37,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382252816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:37,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:37,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:15:37,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192465104] [2023-11-29 02:15:37,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:37,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:15:37,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:37,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:15:37,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:15:37,495 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 616 [2023-11-29 02:15:37,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 557 places, 559 transitions, 1584 flow. Second operand has 6 states, 6 states have (on average 568.0) internal successors, (3408), 6 states have internal predecessors, (3408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:37,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:37,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 616 [2023-11-29 02:15:37,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:39,161 INFO L124 PetriNetUnfolderBase]: 80/4322 cut-off events. [2023-11-29 02:15:39,161 INFO L125 PetriNetUnfolderBase]: For 178/191 co-relation queries the response was YES. [2023-11-29 02:15:39,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5368 conditions, 4322 events. 80/4322 cut-off events. For 178/191 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 32443 event pairs, 22 based on Foata normal form. 0/4182 useless extension candidates. Maximal degree in co-relation 5206. Up to 98 conditions per place. [2023-11-29 02:15:39,242 INFO L140 encePairwiseOnDemand]: 611/616 looper letters, 0 selfloop transitions, 0 changer transitions 558/558 dead transitions. [2023-11-29 02:15:39,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 558 transitions, 1630 flow [2023-11-29 02:15:39,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:15:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:15:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3409 transitions. [2023-11-29 02:15:39,245 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9223484848484849 [2023-11-29 02:15:39,245 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3409 transitions. [2023-11-29 02:15:39,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3409 transitions. [2023-11-29 02:15:39,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:39,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3409 transitions. [2023-11-29 02:15:39,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 568.1666666666666) internal successors, (3409), 6 states have internal predecessors, (3409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:39,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:39,252 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 616.0) internal successors, (4312), 7 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:39,252 INFO L175 Difference]: Start difference. First operand has 557 places, 559 transitions, 1584 flow. Second operand 6 states and 3409 transitions. [2023-11-29 02:15:39,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 558 transitions, 1630 flow [2023-11-29 02:15:39,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 558 transitions, 1624 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:15:39,262 INFO L231 Difference]: Finished difference. Result has 559 places, 0 transitions, 0 flow [2023-11-29 02:15:39,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=616, PETRI_DIFFERENCE_MINUEND_FLOW=1576, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=559, PETRI_TRANSITIONS=0} [2023-11-29 02:15:39,263 INFO L281 CegarLoopForPetriNet]: 566 programPoint places, -7 predicate places. [2023-11-29 02:15:39,263 INFO L495 AbstractCegarLoop]: Abstraction has has 559 places, 0 transitions, 0 flow [2023-11-29 02:15:39,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 568.0) internal successors, (3408), 6 states have internal predecessors, (3408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:39,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (85 of 86 remaining) [2023-11-29 02:15:39,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (84 of 86 remaining) [2023-11-29 02:15:39,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (83 of 86 remaining) [2023-11-29 02:15:39,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (82 of 86 remaining) [2023-11-29 02:15:39,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (81 of 86 remaining) [2023-11-29 02:15:39,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (80 of 86 remaining) [2023-11-29 02:15:39,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (79 of 86 remaining) [2023-11-29 02:15:39,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (78 of 86 remaining) [2023-11-29 02:15:39,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (77 of 86 remaining) [2023-11-29 02:15:39,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 86 remaining) [2023-11-29 02:15:39,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (75 of 86 remaining) [2023-11-29 02:15:39,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 86 remaining) [2023-11-29 02:15:39,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 86 remaining) [2023-11-29 02:15:39,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 86 remaining) [2023-11-29 02:15:39,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 86 remaining) [2023-11-29 02:15:39,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (70 of 86 remaining) [2023-11-29 02:15:39,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (69 of 86 remaining) [2023-11-29 02:15:39,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 86 remaining) [2023-11-29 02:15:39,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 86 remaining) [2023-11-29 02:15:39,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 86 remaining) [2023-11-29 02:15:39,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 86 remaining) [2023-11-29 02:15:39,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (64 of 86 remaining) [2023-11-29 02:15:39,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (63 of 86 remaining) [2023-11-29 02:15:39,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (62 of 86 remaining) [2023-11-29 02:15:39,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (61 of 86 remaining) [2023-11-29 02:15:39,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (60 of 86 remaining) [2023-11-29 02:15:39,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (59 of 86 remaining) [2023-11-29 02:15:39,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (58 of 86 remaining) [2023-11-29 02:15:39,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 86 remaining) [2023-11-29 02:15:39,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 86 remaining) [2023-11-29 02:15:39,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (55 of 86 remaining) [2023-11-29 02:15:39,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 86 remaining) [2023-11-29 02:15:39,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (53 of 86 remaining) [2023-11-29 02:15:39,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 86 remaining) [2023-11-29 02:15:39,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 86 remaining) [2023-11-29 02:15:39,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (50 of 86 remaining) [2023-11-29 02:15:39,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (49 of 86 remaining) [2023-11-29 02:15:39,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (48 of 86 remaining) [2023-11-29 02:15:39,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (47 of 86 remaining) [2023-11-29 02:15:39,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (46 of 86 remaining) [2023-11-29 02:15:39,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (45 of 86 remaining) [2023-11-29 02:15:39,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (44 of 86 remaining) [2023-11-29 02:15:39,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (43 of 86 remaining) [2023-11-29 02:15:39,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (42 of 86 remaining) [2023-11-29 02:15:39,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (41 of 86 remaining) [2023-11-29 02:15:39,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (40 of 86 remaining) [2023-11-29 02:15:39,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (39 of 86 remaining) [2023-11-29 02:15:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 86 remaining) [2023-11-29 02:15:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 86 remaining) [2023-11-29 02:15:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 86 remaining) [2023-11-29 02:15:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 86 remaining) [2023-11-29 02:15:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 86 remaining) [2023-11-29 02:15:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 86 remaining) [2023-11-29 02:15:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 86 remaining) [2023-11-29 02:15:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 86 remaining) [2023-11-29 02:15:39,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 86 remaining) [2023-11-29 02:15:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 86 remaining) [2023-11-29 02:15:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 86 remaining) [2023-11-29 02:15:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 86 remaining) [2023-11-29 02:15:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 86 remaining) [2023-11-29 02:15:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 86 remaining) [2023-11-29 02:15:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 86 remaining) [2023-11-29 02:15:39,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 86 remaining) [2023-11-29 02:15:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 86 remaining) [2023-11-29 02:15:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 86 remaining) [2023-11-29 02:15:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 86 remaining) [2023-11-29 02:15:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 86 remaining) [2023-11-29 02:15:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 86 remaining) [2023-11-29 02:15:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 86 remaining) [2023-11-29 02:15:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 86 remaining) [2023-11-29 02:15:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 86 remaining) [2023-11-29 02:15:39,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 86 remaining) [2023-11-29 02:15:39,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 86 remaining) [2023-11-29 02:15:39,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 86 remaining) [2023-11-29 02:15:39,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 86 remaining) [2023-11-29 02:15:39,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 86 remaining) [2023-11-29 02:15:39,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 86 remaining) [2023-11-29 02:15:39,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 86 remaining) [2023-11-29 02:15:39,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 86 remaining) [2023-11-29 02:15:39,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 86 remaining) [2023-11-29 02:15:39,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 86 remaining) [2023-11-29 02:15:39,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 86 remaining) [2023-11-29 02:15:39,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 86 remaining) [2023-11-29 02:15:39,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 86 remaining) [2023-11-29 02:15:39,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 86 remaining) [2023-11-29 02:15:39,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 86 remaining) [2023-11-29 02:15:39,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 02:15:39,277 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:15:39,281 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:15:39,281 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:15:39,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:15:39 BasicIcfg [2023-11-29 02:15:39,287 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:15:39,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:15:39,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:15:39,288 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:15:39,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:13:58" (3/4) ... [2023-11-29 02:15:39,290 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:15:39,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 02:15:39,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 02:15:39,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 02:15:39,303 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-29 02:15:39,303 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 02:15:39,304 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:15:39,305 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:15:39,420 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:15:39,420 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:15:39,420 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:15:39,421 INFO L158 Benchmark]: Toolchain (without parser) took 102658.41ms. Allocated memory was 169.9MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 135.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2023-11-29 02:15:39,422 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 169.9MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:15:39,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.84ms. Allocated memory is still 169.9MB. Free memory was 134.7MB in the beginning and 121.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:15:39,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.84ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 117.7MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:15:39,423 INFO L158 Benchmark]: Boogie Preprocessor took 60.79ms. Allocated memory is still 169.9MB. Free memory was 117.7MB in the beginning and 113.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:15:39,423 INFO L158 Benchmark]: RCFGBuilder took 958.12ms. Allocated memory was 169.9MB in the beginning and 239.1MB in the end (delta: 69.2MB). Free memory was 113.9MB in the beginning and 204.2MB in the end (delta: -90.3MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2023-11-29 02:15:39,424 INFO L158 Benchmark]: TraceAbstraction took 101101.78ms. Allocated memory was 239.1MB in the beginning and 4.7GB in the end (delta: 4.4GB). Free memory was 203.1MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2023-11-29 02:15:39,424 INFO L158 Benchmark]: Witness Printer took 133.07ms. Allocated memory is still 4.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:15:39,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 169.9MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.84ms. Allocated memory is still 169.9MB. Free memory was 134.7MB in the beginning and 121.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.84ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 117.7MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.79ms. Allocated memory is still 169.9MB. Free memory was 117.7MB in the beginning and 113.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 958.12ms. Allocated memory was 169.9MB in the beginning and 239.1MB in the end (delta: 69.2MB). Free memory was 113.9MB in the beginning and 204.2MB in the end (delta: -90.3MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * TraceAbstraction took 101101.78ms. Allocated memory was 239.1MB in the beginning and 4.7GB in the end (delta: 4.4GB). Free memory was 203.1MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. * Witness Printer took 133.07ms. Allocated memory is still 4.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 884 locations, 86 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 100.9s, OverallIterations: 40, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 84.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5252 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3272 mSDsluCounter, 1778 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1404 mSDsCounter, 1425 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9040 IncrementalHoareTripleChecker+Invalid, 10465 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1425 mSolverCounterUnsat, 374 mSDtfsCounter, 9040 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1484 GetRequests, 1336 SyntacticMatches, 5 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1630occurred in iteration=19, InterpolantAutomatonStates: 181, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 12843 NumberOfCodeBlocks, 12708 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 13307 ConstructedInterpolants, 0 QuantifiedInterpolants, 16417 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1615 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 45 InterpolantComputations, 38 PerfectInterpolantSequences, 10875/11070 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 50 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:15:39,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc3822a-34dc-485d-bdc2-534d5c1153c0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE